2020-02-03 16:30:45,320 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-03 16:31:21,128 : WARN : KNIME-Worker-12-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-03 16:31:21,732 : ERROR : KNIME-Worker-12-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-03 16:31:21,746 : WARN : KNIME-Worker-9-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-03 16:31:21,747 : WARN : KNIME-Worker-10-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-03 16:31:21,762 : ERROR : KNIME-Worker-8-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-03 16:31:21,891 : WARN : KNIME-Worker-11-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,893 : WARN : KNIME-Worker-11-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,903 : WARN : KNIME-Worker-8-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,905 : WARN : KNIME-Worker-8-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,913 : WARN : KNIME-Worker-10-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,915 : WARN : KNIME-Worker-10-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,932 : WARN : KNIME-Worker-9-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,935 : WARN : KNIME-Worker-9-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,952 : WARN : KNIME-Worker-12-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,954 : WARN : KNIME-Worker-12-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,961 : WARN : KNIME-Worker-9-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:21,963 : WARN : KNIME-Worker-9-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:22,030 : WARN : KNIME-Worker-8-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:22,076 : WARN : KNIME-Worker-12-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:22,089 : WARN : KNIME-Worker-11-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-03 16:31:22,096 : WARN : KNIME-Worker-8-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-03 16:31:22,589 : WARN : KNIME-Worker-11-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-03 16:31:22,711 : WARN : KNIME-Worker-12-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-03 16:31:31,157 : WARN : KNIME-Worker-10-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-03 16:31:34,189 : WARN : Thread-17 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-03 16:31:39,092 : ERROR : KNIME-Worker-10-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-03 16:31:39,092 : ERROR : KNIME-Worker-10-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:574) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1229) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-03 16:35:23,164 : WARN : KNIME-Worker-13-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-03 16:35:26,455 : WARN : Thread-23 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-03 16:35:31,082 : ERROR : KNIME-Worker-13-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-03 16:35:31,082 : ERROR : KNIME-Worker-13-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:574) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1229) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-03 16:41:07,242 : WARN : KNIME-Worker-14-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-03 16:41:11,729 : WARN : Thread-42 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-03 16:41:17,199 : ERROR : KNIME-Worker-14-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-03 16:41:17,200 : ERROR : KNIME-Worker-14-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:574) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1229) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-04 07:17:58,963 : WARN : ModalContext : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 07:18:00,264 : WARN : ModalContext : : Node : CSV Writer : 3:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 07:18:01,682 : WARN : ModalContext : : Node : GroupBy : 3:235:262:262 : No grouping column included. Aggregate complete table. 2020-02-04 07:18:01,735 : WARN : ModalContext : : Node : GroupBy : 3:235:299:262 : No grouping column included. Aggregate complete table. 2020-02-04 07:18:01,821 : WARN : ModalContext : : Node : GroupBy : 3:235:298:262 : No grouping column included. Aggregate complete table. 2020-02-04 07:18:01,869 : WARN : ModalContext : : Node : GroupBy : 3:235:338:262 : No grouping column included. Aggregate complete table. 2020-02-04 07:18:40,488 : WARN : KNIME-Worker-18-Counter Generation 3:350:340 : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 07:18:40,498 : WARN : KNIME-Worker-18-Counter Generation 3:350:340 : : Node : CSV Writer : 3:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 07:18:40,513 : WARN : KNIME-Worker-20-Counter Generation 3:350:344 : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 07:18:40,517 : WARN : KNIME-Worker-20-Counter Generation 3:350:344 : : Node : CSV Writer : 3:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 07:18:41,624 : WARN : KNIME-Worker-20-Cross Joiner 3:350:347 : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 07:18:41,632 : WARN : KNIME-Worker-20-Cross Joiner 3:350:347 : : Node : CSV Writer : 3:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 07:18:56,647 : WARN : KNIME-Worker-23-Math Formula 3:14:37 : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 07:18:56,658 : WARN : KNIME-Worker-16-Column Resorter 3:14:31 : : Node : RowID : 3:14:32 : No row key column selected generate a new one 2020-02-04 08:02:50,190 : ERROR : KNIME Sync Exec Dispatcher-1 : : SyncExecQueueDispatcher : : : Uncaught exception while queuing events into main thread org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.SWT.error(SWT.java:4419) at org.eclipse.swt.widgets.Display.error(Display.java:1090) at org.eclipse.swt.widgets.Display.createDisplay(Display.java:840) at org.eclipse.swt.widgets.Display.create(Display.java:823) at org.eclipse.swt.graphics.Device.(Device.java:129) at org.eclipse.swt.widgets.Display.(Display.java:722) at org.eclipse.swt.widgets.Display.(Display.java:713) at org.eclipse.swt.widgets.Display.getDefault(Display.java:1420) at org.knime.workbench.ui.SyncExecQueueDispatcher$2.run(SyncExecQueueDispatcher.java:120) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-02-04 08:12:46,901 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-04 08:13:39,550 : WARN : KNIME-Worker-1-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:13:40,312 : ERROR : KNIME-Worker-1-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-04 08:13:40,354 : WARN : KNIME-Worker-2-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:13:40,355 : WARN : KNIME-Worker-5-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:13:40,394 : ERROR : KNIME-Worker-1-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-04 08:13:40,509 : WARN : KNIME-Worker-0-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,510 : WARN : KNIME-Worker-0-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,517 : WARN : KNIME-Worker-0-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,518 : WARN : KNIME-Worker-0-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,529 : WARN : KNIME-Worker-1-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,530 : WARN : KNIME-Worker-1-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,537 : WARN : KNIME-Worker-2-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,539 : WARN : KNIME-Worker-2-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,609 : WARN : KNIME-Worker-5-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,611 : WARN : KNIME-Worker-5-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,620 : WARN : KNIME-Worker-4-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,622 : WARN : KNIME-Worker-4-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,696 : WARN : KNIME-Worker-0-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,780 : WARN : KNIME-Worker-5-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,787 : WARN : KNIME-Worker-2-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:13:40,790 : WARN : KNIME-Worker-0-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-04 08:13:41,330 : WARN : KNIME-Worker-2-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-04 08:13:41,453 : WARN : KNIME-Worker-4-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-04 08:13:48,431 : WARN : KNIME-Worker-1-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-04 08:13:51,956 : WARN : Thread-17 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-04 08:13:57,180 : ERROR : KNIME-Worker-1-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-04 08:13:57,181 : ERROR : KNIME-Worker-1-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:574) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1229) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-04 08:28:01,509 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-04 08:28:11,996 : WARN : KNIME-Worker-2-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:28:12,814 : ERROR : KNIME-Worker-2-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-04 08:28:12,882 : WARN : KNIME-Worker-1-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:28:12,883 : WARN : KNIME-Worker-4-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-04 08:28:12,924 : ERROR : KNIME-Worker-4-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1109) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1058) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1901) at org.knime.core.node.Node.configure(Node.java:1837) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-04 08:28:13,072 : WARN : KNIME-Worker-1-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,074 : WARN : KNIME-Worker-1-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,103 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,106 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,114 : WARN : KNIME-Worker-5-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,118 : WARN : KNIME-Worker-5-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,124 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,127 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,171 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,172 : WARN : KNIME-Worker-4-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,178 : WARN : KNIME-Worker-5-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,189 : WARN : KNIME-Worker-5-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,323 : WARN : KNIME-Worker-2-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,447 : WARN : KNIME-Worker-1-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,458 : WARN : KNIME-Worker-6-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-04 08:28:13,461 : WARN : KNIME-Worker-4-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-04 08:28:13,910 : WARN : KNIME-Worker-5-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-04 08:28:14,086 : WARN : KNIME-Worker-1-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-04 08:28:24,650 : WARN : KNIME-Worker-2-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-04 08:28:28,538 : WARN : Thread-15 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-04 08:28:33,490 : ERROR : KNIME-Worker-2-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-04 08:28:33,490 : ERROR : KNIME-Worker-2-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:574) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1229) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-04 12:03:45,080 : WARN : ModalContext : : Node : CSV Writer : 0:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 12:03:47,229 : WARN : ModalContext : : Node : GroupBy : 0:235:262:262 : No grouping column included. Aggregate complete table. 2020-02-04 12:03:47,267 : WARN : ModalContext : : Node : GroupBy : 0:235:299:262 : No grouping column included. Aggregate complete table. 2020-02-04 12:03:47,298 : WARN : ModalContext : : Node : GroupBy : 0:235:298:262 : No grouping column included. Aggregate complete table. 2020-02-04 12:03:47,331 : WARN : ModalContext : : Node : GroupBy : 0:235:338:262 : No grouping column included. Aggregate complete table. 2020-02-04 14:07:30,789 : ERROR : KNIME Sync Exec Dispatcher-2 : : SyncExecQueueDispatcher : : : Uncaught exception while queuing events into main thread org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.SWT.error(SWT.java:4419) at org.eclipse.swt.widgets.Display.error(Display.java:1090) at org.eclipse.swt.widgets.Display.createDisplay(Display.java:840) at org.eclipse.swt.widgets.Display.create(Display.java:823) at org.eclipse.swt.graphics.Device.(Device.java:129) at org.eclipse.swt.widgets.Display.(Display.java:722) at org.eclipse.swt.widgets.Display.(Display.java:713) at org.eclipse.swt.widgets.Display.getDefault(Display.java:1420) at org.knime.workbench.ui.SyncExecQueueDispatcher$2.run(SyncExecQueueDispatcher.java:120) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-02-04 14:07:30,790 : ERROR : KNIME Sync Exec Dispatcher-1 : : SyncExecQueueDispatcher : : : Uncaught exception while queuing events into main thread org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.SWT.error(SWT.java:4419) at org.eclipse.swt.widgets.Display.error(Display.java:1090) at org.eclipse.swt.widgets.Display.createDisplay(Display.java:840) at org.eclipse.swt.widgets.Display.create(Display.java:823) at org.eclipse.swt.graphics.Device.(Device.java:129) at org.eclipse.swt.widgets.Display.(Display.java:722) at org.eclipse.swt.widgets.Display.(Display.java:713) at org.eclipse.swt.widgets.Display.getDefault(Display.java:1420) at org.knime.workbench.ui.SyncExecQueueDispatcher$2.run(SyncExecQueueDispatcher.java:120) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-02-04 14:09:48,616 : WARN : ModalContext : : Node : CSV Writer : 0:239:217 : Output file '/Users/rishi/knime-workspace/KN-302 Advanced Demand Forecasting Neural Networks v03/Step 04 Normalized Data.csv' exists and will be overwritten 2020-02-04 14:09:50,511 : WARN : ModalContext : : Node : GroupBy : 0:235:262:262 : No grouping column included. Aggregate complete table. 2020-02-04 14:09:50,551 : WARN : ModalContext : : Node : GroupBy : 0:235:299:262 : No grouping column included. Aggregate complete table. 2020-02-04 14:09:50,610 : WARN : ModalContext : : Node : GroupBy : 0:235:298:262 : No grouping column included. Aggregate complete table. 2020-02-04 14:09:50,654 : WARN : ModalContext : : Node : GroupBy : 0:235:338:262 : No grouping column included. Aggregate complete table. 2020-02-04 19:33:47,045 : ERROR : KNIME Sync Exec Dispatcher-1 : : SyncExecQueueDispatcher : : : Uncaught exception while queuing events into main thread org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.SWT.error(SWT.java:4419) at org.eclipse.swt.widgets.Display.error(Display.java:1090) at org.eclipse.swt.widgets.Display.createDisplay(Display.java:840) at org.eclipse.swt.widgets.Display.create(Display.java:823) at org.eclipse.swt.graphics.Device.(Device.java:129) at org.eclipse.swt.widgets.Display.(Display.java:722) at org.eclipse.swt.widgets.Display.(Display.java:713) at org.eclipse.swt.widgets.Display.getDefault(Display.java:1420) at org.knime.workbench.ui.SyncExecQueueDispatcher$2.run(SyncExecQueueDispatcher.java:120) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-02-06 04:59:06,810 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-06 04:59:17,894 : WARN : KNIME-Worker-0-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 04:59:18,732 : ERROR : KNIME-Worker-0-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-06 04:59:18,759 : WARN : KNIME-Worker-3-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 04:59:18,761 : WARN : KNIME-Worker-5-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 04:59:18,802 : ERROR : KNIME-Worker-7-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-06 04:59:18,907 : WARN : KNIME-Worker-3-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,908 : WARN : KNIME-Worker-3-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,919 : WARN : KNIME-Worker-7-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,921 : WARN : KNIME-Worker-7-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,927 : WARN : KNIME-Worker-3-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,930 : WARN : KNIME-Worker-3-Table Row to Variable (deprecated) 0:0:0:344:339 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,974 : WARN : KNIME-Worker-7-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,976 : WARN : KNIME-Worker-7-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,982 : WARN : KNIME-Worker-0-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:18,985 : WARN : KNIME-Worker-0-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:19,082 : WARN : KNIME-Worker-3-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:19,140 : WARN : KNIME-Worker-5-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:19,147 : WARN : KNIME-Worker-4-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 04:59:19,149 : WARN : KNIME-Worker-6-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-06 04:59:19,541 : WARN : KNIME-Worker-0-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-06 04:59:19,652 : WARN : KNIME-Worker-1-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-06 04:59:29,546 : WARN : KNIME-Worker-0-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-06 04:59:34,624 : WARN : Thread-15 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 04:59:39,464 : ERROR : KNIME-Worker-0-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-06 04:59:39,465 : ERROR : KNIME-Worker-0-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:571) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-06 18:28:57,414 : WARN : Thread-21 : : PythonKernel : DL Python Network Editor : 3:2 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 18:29:01,783 : WARN : Thread-24 : : PythonKernel : Keras Network Learner : 3:5 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 18:30:20,892 : WARN : Thread-34 : : PythonKernel : DL Python Network Editor : 3:2 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 18:30:36,334 : WARN : Thread-41 : : PythonKernel : Keras Network Learner : 3:5 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 18:32:55,197 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-06 18:33:40,555 : WARN : KNIME-Worker-25-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 18:33:40,628 : ERROR : KNIME-Worker-25-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-06 18:33:40,638 : WARN : KNIME-Worker-24-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 18:33:40,638 : WARN : KNIME-Worker-19-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-06 18:33:40,649 : ERROR : KNIME-Worker-23-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-06 18:33:40,703 : WARN : KNIME-Worker-24-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,704 : WARN : KNIME-Worker-24-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,710 : WARN : KNIME-Worker-20-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,713 : WARN : KNIME-Worker-20-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,726 : WARN : KNIME-Worker-23-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,728 : WARN : KNIME-Worker-23-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,753 : WARN : KNIME-Worker-22-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,756 : WARN : KNIME-Worker-22-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,764 : WARN : KNIME-Worker-23-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,766 : WARN : KNIME-Worker-23-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,883 : WARN : KNIME-Worker-21-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,920 : WARN : KNIME-Worker-25-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,927 : WARN : KNIME-Worker-20-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-06 18:33:40,929 : WARN : KNIME-Worker-22-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-06 18:33:41,111 : WARN : KNIME-Worker-24-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-06 18:33:41,180 : WARN : KNIME-Worker-25-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-06 18:33:47,159 : WARN : KNIME-Worker-24-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-06 18:33:50,674 : WARN : Thread-47 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-06 18:33:55,454 : ERROR : KNIME-Worker-24-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-06 18:33:55,455 : ERROR : KNIME-Worker-24-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:571) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-07 06:52:13,060 : WARN : KNIME-Worker-27-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-07 06:52:16,219 : WARN : Thread-53 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-07 06:52:21,188 : ERROR : KNIME-Worker-27-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-07 06:52:21,189 : ERROR : KNIME-Worker-27-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:571) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.] 2020-02-07 06:53:09,868 : WARN : ModalContext : : CheckUpdateMetaNodeLinkAction : : : Unable to check for update on node "Timestamp Alignment 0:0": Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment java.io.IOException: Can't read metanode/template directory /Users/rishi/knime-workspace/TSA Course/TSA_Course/Components/Timestamp Alignment at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:298) at org.knime.core.node.workflow.WorkflowManager.loadMetaNodeTemplate(WorkflowManager.java:6851) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLinkWithCache(WorkflowManager.java:6792) at org.knime.core.node.workflow.WorkflowManager.checkUpdateMetaNodeLink(WorkflowManager.java:6749) at org.knime.workbench.editor2.actions.CheckUpdateMetaNodeLinkAction$CheckUpdateRunnableWithProgress.run(CheckUpdateMetaNodeLinkAction.java:327) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) 2020-02-07 06:54:00,112 : WARN : KNIME-Worker-34-Column Filter 0:302 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-07 06:54:00,170 : ERROR : KNIME-Worker-34-Column Filter 0:302 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:189) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2264) at org.knime.core.node.workflow.WorkflowManager.reconfigureAllNodesOnlyInThisWFM(WorkflowManager.java:2267) at org.knime.core.node.workflow.SubNodeContainer.performConfigure(SubNodeContainer.java:1145) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6155) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-07 06:54:00,179 : WARN : KNIME-Worker-33-Column Filter 0:0:0:292 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-07 06:54:00,179 : WARN : KNIME-Worker-28-Column Selection Configuration (deprecated) 0:0:0:324 : : Node : Column Selection Configuration (deprecated) : 0:0:0:324 : Column 'Date&Time' is not part of the table spec anymore. Auto-guessing default column. 2020-02-07 06:54:00,186 : ERROR : KNIME-Worker-32-Column Filter 0:0:0:284 : : Node : Row Filter : 0:0:0:344:334 : Configure failed (IllegalArgumentException): RowNumberFilter: range start is less than 0. java.lang.IllegalArgumentException: RowNumberFilter: range start is less than 0. at org.knime.base.node.preproc.filter.row.rowfilter.RowNoRowFilter.configure(RowNoRowFilter.java:274) at org.knime.base.node.preproc.filter.row.RowFilterNodeModel.configure(RowFilterNodeModel.java:316) at org.knime.core.node.NodeModel.configure(NodeModel.java:1106) at org.knime.core.node.NodeModel.configureModel(NodeModel.java:1055) at org.knime.core.node.Node.invokeNodeModelConfigure(Node.java:1905) at org.knime.core.node.Node.configure(Node.java:1841) at org.knime.core.node.workflow.NativeNodeContainer.performConfigure(NativeNodeContainer.java:528) at org.knime.core.node.workflow.SingleNodeContainer.callNodeConfigure(SingleNodeContainer.java:304) at org.knime.core.node.workflow.SingleNodeContainer.configure(SingleNodeContainer.java:196) at org.knime.core.node.workflow.WorkflowManager.configureSingleNodeContainer(WorkflowManager.java:5996) at org.knime.core.node.workflow.WorkflowManager.configureNodesConnectedToPortInWFM(WorkflowManager.java:6078) at org.knime.core.node.workflow.WorkflowManager.configureNodeAndPortSuccessors(WorkflowManager.java:6160) at org.knime.core.node.workflow.WorkflowManager.doAfterExecution(WorkflowManager.java:3198) at org.knime.core.node.workflow.NodeContainer.notifyParentExecuteFinished(NodeContainer.java:630) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:248) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) 2020-02-07 06:54:00,221 : WARN : KNIME-Worker-33-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,222 : WARN : KNIME-Worker-33-Extract Table Dimension 0:0:0:344:335 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,227 : WARN : KNIME-Worker-32-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,228 : WARN : KNIME-Worker-32-Table Row to Variable (deprecated) 0:0:0:344:282 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,234 : WARN : KNIME-Worker-30-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,236 : WARN : KNIME-Worker-30-Table Row to Variable (deprecated) 0:0:0:344:336 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,258 : WARN : KNIME-Worker-28-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,260 : WARN : KNIME-Worker-28-Table Row to Variable (deprecated) 0:0:0:344:340 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,266 : WARN : KNIME-Worker-32-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:316 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,267 : WARN : KNIME-Worker-32-Rule Engine Variable 0:0:0:314 : : Node : End IF : 0:0:0:346:331 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,332 : WARN : KNIME-Worker-30-CASE Switch Variable (Start) 0:0:0:346:320 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,359 : WARN : KNIME-Worker-29-Create Date&Time Range 0:0:0:346:317 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,365 : WARN : KNIME-Worker-34-End IF 0:0:0:346:332 : : Node : End IF : 0:0:0:355:353 : The structures of both active input data tables are not compatible. 2020-02-07 06:54:00,367 : WARN : KNIME-Worker-28-IF Switch 0:0:0:355:348 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-07 06:54:00,582 : WARN : KNIME-Worker-33-End IF 0:0:0:355:353 : : Node : RowID : 0:0:0:322 : No row key column selected generate a new one 2020-02-07 06:54:00,633 : WARN : KNIME-Worker-29-Missing Value 0:212 : : Node : Missing Value : 0:212 : The current settings use missing value handling methods that cannot be represented in PMML 4.2 2020-02-07 06:54:06,035 : WARN : KNIME-Worker-33-Keras Network Learner 0:428 : : DLKnimeNetworkTrainingInputPreparer : Keras Network Learner : 0:428 : The number of rows of the input training data table (10112) is not a multiple of the selected training batch size (256). Thus, the last batch of each epoch will continue at the beginning of the training data table after reaching its end. You can avoid that by adjusting the number of rows of the table or the batch size if desired. 2020-02-07 06:54:09,310 : WARN : Thread-61 : : PythonKernel : Keras Network Learner : 0:428 : /Users/rishi/opt/anaconda3/envs/py3_knime_dl/lib/python3.6/site-packages/keras/engine/saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2020-02-07 06:54:13,905 : ERROR : KNIME-Worker-33-Keras Network Learner 0:428 : : DLKerasLearnerNodeModel : Keras Network Learner : 0:428 : java.lang.Exception: Failed to receive message from Python or forward received message. 2020-02-07 06:54:13,907 : ERROR : KNIME-Worker-33-Keras Network Learner 0:428 : : Node : Keras Network Learner : 0:428 : Execute failed: An error occured during training of the Keras deep learning network. See log for details. java.lang.RuntimeException: An error occured during training of the Keras deep learning network. See log for details. at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.handleGeneralException(DLKerasLearnerNodeModel.java:720) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:696) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:303) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:571) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236) at org.knime.core.node.Node.execute(Node.java:1016) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:557) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:218) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:124) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: java.io.IOException: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:519) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:177) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:689) ... 14 more Suppressed: org.knime.dl.core.DLUncheckedException: An exception occured while cleaning up Python. Cause: Failed to clean up Python. See log for details. at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:228) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:536) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:156) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:692) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:1368) at org.knime.dl.python.core.DLPythonDefaultContext.close(DLPythonDefaultContext.java:226) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:98) at org.knime.python2.kernel.messaging.AbstractMessageLoop.doLoop(AbstractMessageLoop.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Suppressed: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated. at org.knime.python2.kernel.messaging.AbstractMessageLoop.throwExceptionInLoop(AbstractMessageLoop.java:76) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:93) ... 4 more Caused by: java.io.IOException: Message receiver loop terminated. at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.receive(DefaultMessageReceiverLoop.java:82) at org.knime.python2.kernel.messaging.MessageDistributorLoop.loop(MessageDistributorLoop.java:82) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.knime.python2.kernel.messaging.PythonMessagingUtils.readInt(PythonMessagingUtils.java:91) at org.knime.python2.kernel.messaging.DefaultMessageReceiver.receive(DefaultMessageReceiver.java:80) at org.knime.python2.kernel.messaging.DefaultMessageReceiverLoop.loop(DefaultMessageReceiverLoop.java:92) ... 4 more [CIRCULAR REFERENCE:java.lang.Exception: Failed to receive message from Python or forward received message.]