2022-11-27 16:31:32,942 : WARN : main : : Node : File Reader : 3:1 : Please specify a file 2022-11-27 16:35:19,831 : WARN : main : : Node : GroupBy : 3:2 : No grouping column included. Aggregate complete table. 2022-11-27 16:35:19,831 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:35:19,831 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:35:19,831 : WARN : main : : Node : GroupBy : 3:2 : Please select at least one group or aggregation column 2022-11-27 16:35:58,649 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:35:58,649 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:35:59,171 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:35:59,171 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:38:28,820 : WARN : main : : Node : String Manipulation : 3:3 : No expression has been set. 2022-11-27 16:40:39,901 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:40:39,902 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:40:40,169 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:40:40,170 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:40:43,146 : WARN : KNIME-Worker-6-String Manipulation 3:3 : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 16:40:43,147 : WARN : KNIME-Worker-6-String Manipulation 3:3 : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-27 17:21:05,035 : WARN : main : : WrappedNodeDialog : GroupBy : 3:2 : failed to apply settings: Duplicate column names: Count. Not possible with 'Keep original name(s)' option org.knime.core.node.InvalidSettingsException: Duplicate column names: Count. Not possible with 'Keep original name(s)' option at org.knime.base.node.preproc.groupby.GroupByNodeModel.validateSettings(GroupByNodeModel.java:428) at org.knime.core.node.Node.validateModelSettings(Node.java:692) at org.knime.core.node.workflow.NativeNodeContainer.performValidateSettings(NativeNodeContainer.java:1184) at org.knime.core.node.workflow.SingleNodeContainer.validateSettings(SingleNodeContainer.java:1000) at org.knime.core.node.workflow.WorkflowManager.loadNodeSettings(WorkflowManager.java:2045) at org.knime.core.node.workflow.NodeContainer.applySettingsFromDialog(NodeContainer.java:1118) at org.knime.core.ui.wrapper.NodeContainerWrapper.applySettingsFromDialog(NodeContainerWrapper.java:264) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.callApplySettingsFromDialog(WrappedNodeDialog.java:672) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.doApply(WrappedNodeDialog.java:635) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.doOK(WrappedNodeDialog.java:559) at org.knime.workbench.ui.wrapper.WrappedNodeDialog$5.widgetSelected(WrappedNodeDialog.java:495) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:252) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.jface.window.Window.runEventLoop(Window.java:823) at org.eclipse.jface.window.Window.open(Window.java:799) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.open(WrappedNodeDialog.java:199) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:955) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:862) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:845) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:834) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.performRequest(NodeContainerEditPart.java:398) at org.eclipse.gef.tools.SelectEditPartTracker.performOpen(SelectEditPartTracker.java:194) at org.eclipse.gef.tools.SelectEditPartTracker.handleDoubleClick(SelectEditPartTracker.java:137) at org.knime.workbench.editor2.WorkflowSelectionDragEditPartsTracker.handleDoubleClick(WorkflowSelectionDragEditPartsTracker.java:126) at org.eclipse.gef.tools.AbstractTool.mouseDoubleClick(AbstractTool.java:1069) at org.eclipse.gef.tools.SelectionTool.mouseDoubleClick(SelectionTool.java:527) at org.eclipse.gef.EditDomain.mouseDoubleClick(EditDomain.java:231) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseDoubleClicked(DomainEventDispatcher.java:291) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseDoubleClick(LightweightSystem.java:518) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:200) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:156) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:188) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1461) 2022-11-27 17:52:09,525 : ERROR : Clear OSGi configuration : : InvokeInstallSiteAction : : : Could not clean OSGi configuration area: C:\Users\user\.eclipse\903338280_win32_win32_x86_64\configuration\org.eclipse.osgi\123\0\.cp\os\win32\x86_64\localfile_1_0_0.dll 2022-11-29 14:43:58,688 : WARN : main : : Node : File Reader : 3:1 : Please specify a file 2022-11-29 14:48:10,325 : WARN : main : : Node : GroupBy : 3:2 : No grouping column included. Aggregate complete table. 2022-11-29 14:48:10,325 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-29 14:48:10,325 : WARN : main : : Node : GroupBy : 3:2 : No aggregation column defined 2022-11-29 14:48:10,389 : WARN : main : : Node : GroupBy : 3:2 : Please select at least one group or aggregation column 2022-11-29 14:54:21,896 : WARN : ModalContext : : WorkflowManager : : : Unable to insert connection "[15(1) -> 16( 1)]" 2022-11-29 14:54:21,904 : WARN : ModalContext : : Node : MISSING Keras Input Layer : 4:15 : Node can't be executed - Node "Keras Input Layer" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,009 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Errors during load: Status: DataLoadError: Simple_neural_network_for_binary_classification.knwf 4 loaded with error during data load 2022-11-29 14:54:22,009 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Simple_neural_network_for_binary_classification.knwf 4 2022-11-29 14:54:22,009 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Node "Keras Input Layer" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,009 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Node "Keras Dense Layer" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,009 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Node "Keras Dense Layer" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Node "Keras Network Learner" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Node "Keras Network Executor" not available from extension "KNIME Deep Learning - Keras Integration" (provided by "KNIME AG, Zurich, Switzerland"; plugin "org.knime.dl.keras" is not installed) 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: Error: Unable to insert connection "[15(1) -> 16( 1)]" 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: CSV Reader 4:1 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "CSV Reader": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\CSV Reader (#1)\port_1\data.xml 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: State has changed from EXECUTED to CONFIGURED 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: MISSING Keras Input Layer 4:15 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "MISSING Keras Input Layer": Invalid spec class "org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObjectSpec" 2022-11-29 14:54:22,010 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: State has changed from EXECUTED to IDLE 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: MISSING Keras Dense Layer 4:16 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "MISSING Keras Dense Layer": Invalid spec class "org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObjectSpec" 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: State has changed from EXECUTED to IDLE 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Rule Engine 4:18 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Rule Engine": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Rule Engine (#18)\port_1\data.xml 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: MISSING Keras Dense Layer 4:17 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "MISSING Keras Dense Layer": Invalid spec class "org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObjectSpec" 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Partitioning 4:19 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Partitioning": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Partitioning (#19)\port_1\data.xml 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Normalizer 4:21 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Normalizer": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Normalizer (#21)\port_1\data.xml 2022-11-29 14:54:22,011 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Normalizer (Apply) 4:22 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Normalizer (Apply)": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Normalizer _Apply_ (#22)\port_1\data.xml 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Partitioning 4:20 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Partitioning": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Partitioning (#20)\port_1\data.xml 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: MISSING Keras Network Learner 4:24 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "MISSING Keras Network Learner": Invalid spec class "org.knime.dl.keras.base.portobjects.DLKerasNetworkPortObjectSpec" 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: MISSING Keras Network Executor 4:26 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "MISSING Keras Network Executor": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Keras Network Executor (#26)\port_1\data.xml 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Rule Engine 4:23 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Rule Engine": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Rule Engine (#23)\port_1\data.xml 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Scorer 4:25 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Unable to load port content for node "Scorer": No such data file: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Scorer (#25)\port_1\data.xml 2022-11-29 14:54:22,012 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: Loading model internals failed: C:\Users\user\AppData\Local\Temp\knime_temp_space_user_23436\Simple_neural_network_for_binary_classification.knwf23439\C\Users\user\AppData\Local\Temp\knime_download23438\Simple_neural_network_for_binary_classification.knwf\Scorer (#25)\internal\internals.xml.gz (The system cannot find the path specified) 2022-11-29 14:54:22,013 : ERROR : ModalContext : : LoadWorkflowRunnable : : : Status: DataLoadError: State has changed from EXECUTED to IDLE 2022-11-30 14:22:11,461 : ERROR : KNIME-Worker-10-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. java.io.IOException: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:113) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:133) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:1) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:643) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:142) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:107) ... 17 more Caused by: org.knime.dl.core.DLMissingDependencyException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:182) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:1) at org.knime.core.util.ThreadUtils$CallableWithContextImpl.callWithContext(ThreadUtils.java:383) at org.knime.core.util.ThreadUtils$CallableWithContext.call(ThreadUtils.java:269) ... 3 more Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. at org.knime.dl.python.core.DLPythonAbstractCommands.testInstallation(DLPythonAbstractCommands.java:299) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:173) ... 6 more 2022-11-30 14:22:50,537 : ERROR : KNIME-Worker-8-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. java.io.IOException: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:113) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:133) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:1) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:643) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:142) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:107) ... 17 more Caused by: org.knime.dl.core.DLMissingDependencyException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:182) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:1) at org.knime.core.util.ThreadUtils$CallableWithContextImpl.callWithContext(ThreadUtils.java:383) at org.knime.core.util.ThreadUtils$CallableWithContext.call(ThreadUtils.java:269) ... 3 more Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. at org.knime.dl.python.core.DLPythonAbstractCommands.testInstallation(DLPythonAbstractCommands.java:299) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:173) ... 6 more 2022-11-30 14:55:51,808 : ERROR : Clear OSGi configuration : : InvokeInstallSiteAction : : : Could not clean OSGi configuration area: C:\Users\user\.eclipse\903338280_win32_win32_x86_64\configuration\org.eclipse.osgi\123\0\.cp\os\win32\x86_64\localfile_1_0_0.dll 2022-11-30 14:58:16,188 : ERROR : KNIME-Worker-6-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. java.io.IOException: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:113) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:133) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:1) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:643) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:142) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:107) ... 17 more Caused by: org.knime.dl.core.DLMissingDependencyException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:182) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:1) at org.knime.core.util.ThreadUtils$CallableWithContextImpl.callWithContext(ThreadUtils.java:383) at org.knime.core.util.ThreadUtils$CallableWithContext.call(ThreadUtils.java:269) ... 3 more Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. at org.knime.dl.python.core.DLPythonAbstractCommands.testInstallation(DLPythonAbstractCommands.java:299) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:173) ... 6 more 2022-11-30 15:09:34,078 : ERROR : Clear OSGi configuration : : InvokeInstallSiteAction : : : Could not clean OSGi configuration area: C:\Program Files\KNIME\configuration\org.eclipse.osgi\123\0\.cp\os\win32\x86_64\localfile_1_0_0.dll 2022-11-30 15:13:37,298 : ERROR : KNIME-Worker-5-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. java.io.IOException: An error occurred while creating the Keras network from its layer specifications. Details: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:113) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:133) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:1) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:643) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:142) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:107) ... 17 more Caused by: org.knime.dl.core.DLMissingDependencyException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. In case Python packages are missing: you can create a new Python Conda environment that contains all packages required by the KNIME deep learning integrations in the "KNIME Deep Learning" Preferences. at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:182) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:1) at org.knime.core.util.ThreadUtils$CallableWithContextImpl.callWithContext(ThreadUtils.java:383) at org.knime.core.util.ThreadUtils$CallableWithContext.call(ThreadUtils.java:269) ... 3 more Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Deep learning Python back end installation tests failed. Cause: Python library 'tensorflow' or one of its dependencies is missing. Python library 'keras' or one of its dependencies is missing. at org.knime.dl.python.core.DLPythonAbstractCommands.testInstallation(DLPythonAbstractCommands.java:299) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester$InstallationTestCallable.call(DLPythonAbstractNetworkLoader.java:173) ... 6 more 2022-11-30 15:45:06,709 : ERROR : KNIME-Worker-7-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details: Installation test for Python deep learning back end 'org.knime.dl.keras.tensorflow.core.DLKerasTensorFlowNetwork' timed out. Please make sure your Python environment is properly set up and consider increasing the timeout (currently 25000 ms) using the VM option '-Dknime.dl.installationtesttimeout='. java.io.IOException: An error occurred while creating the Keras network from its layer specifications. Details: Installation test for Python deep learning back end 'org.knime.dl.keras.tensorflow.core.DLKerasTensorFlowNetwork' timed out. Please make sure your Python environment is properly set up and consider increasing the timeout (currently 25000 ms) using the VM option '-Dknime.dl.installationtesttimeout='. at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:113) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:133) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedNetworkPortObject.getNetwork(DLKerasUnmaterializedNetworkPortObject.java:1) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:643) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246) Caused by: org.knime.dl.core.DLInvalidEnvironmentException: Installation test for Python deep learning back end 'org.knime.dl.keras.tensorflow.core.DLKerasTensorFlowNetwork' timed out. Please make sure your Python environment is properly set up and consider increasing the timeout (currently 25000 ms) using the VM option '-Dknime.dl.installationtesttimeout='. at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:142) at org.knime.dl.keras.base.portobjects.DLKerasUnmaterializedPortObjectContent.materialize(DLKerasUnmaterializedPortObjectContent.java:107) ... 17 more Caused by: org.knime.dl.core.DLInstallationTestTimeoutException: Installation test for Python deep learning back end 'org.knime.dl.keras.tensorflow.core.DLKerasTensorFlowNetwork' timed out. Please make sure your Python environment is properly set up and consider increasing the timeout (currently 25000 ms) using the VM option '-Dknime.dl.installationtesttimeout='. at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester.runTest(DLPythonAbstractNetworkLoader.java:142) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester.testInstallation(DLPythonAbstractNetworkLoader.java:112) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader.checkAvailability(DLPythonAbstractNetworkLoader.java:94) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader.checkAvailability(DLPythonAbstractNetworkLoader.java:1) at org.knime.dl.keras.core.layers.DLKerasNetworkMaterializer.materialize(DLKerasNetworkMaterializer.java:139) ... 18 more Caused by: java.util.concurrent.TimeoutException at java.base/java.util.concurrent.FutureTask.get(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.get(ThreadPool.java:187) at org.knime.dl.python.core.DLPythonAbstractNetworkLoader$DLPythonInstallationTester.runTest(DLPythonAbstractNetworkLoader.java:130) ... 22 more 2022-11-30 15:46:03,949 : WARN : main : : WrappedNodeDialog : Keras Network Learner : 3:24 : failed to apply settings: Cannot load settings into node; it is executing or has executing successors java.lang.IllegalStateException: Cannot load settings into node; it is executing or has executing successors at org.knime.core.node.workflow.WorkflowManager.loadNodeSettings(WorkflowManager.java:2058) at org.knime.core.node.workflow.NodeContainer.applySettingsFromDialog(NodeContainer.java:1118) at org.knime.core.ui.wrapper.NodeContainerWrapper.applySettingsFromDialog(NodeContainerWrapper.java:264) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.callApplySettingsFromDialog(WrappedNodeDialog.java:672) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.doApply(WrappedNodeDialog.java:644) at org.knime.workbench.ui.wrapper.WrappedNodeDialog$6.widgetSelected(WrappedNodeDialog.java:510) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:252) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.jface.window.Window.runEventLoop(Window.java:823) at org.eclipse.jface.window.Window.open(Window.java:799) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.open(WrappedNodeDialog.java:199) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:955) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:862) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:845) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:834) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.performRequest(NodeContainerEditPart.java:398) at org.eclipse.gef.tools.SelectEditPartTracker.performOpen(SelectEditPartTracker.java:194) at org.eclipse.gef.tools.SelectEditPartTracker.handleDoubleClick(SelectEditPartTracker.java:137) at org.knime.workbench.editor2.WorkflowSelectionDragEditPartsTracker.handleDoubleClick(WorkflowSelectionDragEditPartsTracker.java:126) at org.eclipse.gef.tools.AbstractTool.mouseDoubleClick(AbstractTool.java:1069) at org.eclipse.gef.tools.SelectionTool.mouseDoubleClick(SelectionTool.java:527) at org.eclipse.gef.EditDomain.mouseDoubleClick(EditDomain.java:231) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseDoubleClicked(DomainEventDispatcher.java:291) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseDoubleClick(LightweightSystem.java:518) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:200) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:156) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:188) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1461) 2022-11-30 15:46:09,238 : WARN : main : : WrappedNodeDialog : Keras Network Learner : 3:24 : failed to apply settings: Cannot load settings into node; it is executing or has executing successors java.lang.IllegalStateException: Cannot load settings into node; it is executing or has executing successors at org.knime.core.node.workflow.WorkflowManager.loadNodeSettings(WorkflowManager.java:2058) at org.knime.core.node.workflow.NodeContainer.applySettingsFromDialog(NodeContainer.java:1118) at org.knime.core.ui.wrapper.NodeContainerWrapper.applySettingsFromDialog(NodeContainerWrapper.java:264) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.callApplySettingsFromDialog(WrappedNodeDialog.java:672) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.doApply(WrappedNodeDialog.java:644) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.doOK(WrappedNodeDialog.java:559) at org.knime.workbench.ui.wrapper.WrappedNodeDialog$5.widgetSelected(WrappedNodeDialog.java:495) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:252) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.jface.window.Window.runEventLoop(Window.java:823) at org.eclipse.jface.window.Window.open(Window.java:799) at org.knime.workbench.ui.wrapper.WrappedNodeDialog.open(WrappedNodeDialog.java:199) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:955) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:862) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openNodeDialog(NodeContainerEditPart.java:845) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.openDialog(NodeContainerEditPart.java:834) at org.knime.workbench.editor2.editparts.NodeContainerEditPart.performRequest(NodeContainerEditPart.java:398) at org.eclipse.gef.tools.SelectEditPartTracker.performOpen(SelectEditPartTracker.java:194) at org.eclipse.gef.tools.SelectEditPartTracker.handleDoubleClick(SelectEditPartTracker.java:137) at org.knime.workbench.editor2.WorkflowSelectionDragEditPartsTracker.handleDoubleClick(WorkflowSelectionDragEditPartsTracker.java:126) at org.eclipse.gef.tools.AbstractTool.mouseDoubleClick(AbstractTool.java:1069) at org.eclipse.gef.tools.SelectionTool.mouseDoubleClick(SelectionTool.java:527) at org.eclipse.gef.EditDomain.mouseDoubleClick(EditDomain.java:231) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseDoubleClicked(DomainEventDispatcher.java:291) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseDoubleClick(LightweightSystem.java:518) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:200) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:156) at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:188) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1461) 2022-11-30 15:50:41,606 : WARN : KNIME-Worker-2-Keras Network Learner 3:24 : : DLKnimeNetworkValidationInputPreparer : Keras Network Learner : 3:24 : The number of rows of the input validation data table (99) is not a multiple of the selected validation batch size (10). Thus, the last batch of each validation phase will continue at the beginning of the validation 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. 2022-11-30 15:50:42,643 : WARN : Thread-31 : : PythonKernel : Keras Network Learner : 3:24 : C:\Users\user\anaconda3\envs\py3_knime_dl\lib\site-packages\keras\engine\saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2022-11-30 15:52:29,082 : ERROR : KNIME-Worker-2-Keras Network Learner 3:24 : : DLKerasLearnerNodeModel : Keras Network Learner : 3:24 : java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 2022-11-30 15:52:29,084 : ERROR : KNIME-Worker-2-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : 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:751) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:721) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 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. Cause: Connection reset at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:555) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:193) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:712) ... 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.DLPythonAbstractContext.close(DLPythonAbstractContext.java:242) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:572) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:162) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:717) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.Python2KernelBackend.synchronousClose(Python2KernelBackend.java:1340) at org.knime.python2.kernel.Python2KernelBackend.close(Python2KernelBackend.java:1301) at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:544) at org.knime.dl.python.core.DLPythonAbstractContext.close(DLPythonAbstractContext.java:240) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 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.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source) 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 Suppressed: [CIRCULAR REFERENCE: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.net.SocketException: Connection reset at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) 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 Caused by: [CIRCULAR REFERENCE: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset] 2022-11-30 16:13:24,476 : WARN : KNIME-Worker-6-Keras Network Learner 3:24 : : DLKnimeNetworkValidationInputPreparer : Keras Network Learner : 3:24 : The number of rows of the input validation data table (99) is not a multiple of the selected validation batch size (10). Thus, the last batch of each validation phase will continue at the beginning of the validation 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. 2022-11-30 16:13:25,552 : WARN : Thread-103 : : PythonKernel : Keras Network Learner : 3:24 : C:\Users\user\anaconda3\envs\py3_knime_dl\lib\site-packages\keras\engine\saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2022-11-30 16:13:43,615 : ERROR : KNIME-Worker-6-Keras Network Learner 3:24 : : DLKerasLearnerNodeModel : Keras Network Learner : 3:24 : java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 2022-11-30 16:13:43,615 : ERROR : KNIME-Worker-6-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : 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:751) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:721) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$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. Cause: Connection reset at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:555) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:193) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:712) ... 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.DLPythonAbstractContext.close(DLPythonAbstractContext.java:242) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:572) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:162) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:717) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.Python2KernelBackend.synchronousClose(Python2KernelBackend.java:1340) at org.knime.python2.kernel.Python2KernelBackend.close(Python2KernelBackend.java:1301) at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:544) at org.knime.dl.python.core.DLPythonAbstractContext.close(DLPythonAbstractContext.java:240) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 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.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source) 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 Suppressed: [CIRCULAR REFERENCE: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.net.SocketException: Connection reset at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) 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 Caused by: [CIRCULAR REFERENCE: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset] 2022-11-30 16:18:22,783 : WARN : KNIME-Worker-0-Keras Network Learner 3:24 : : DLKnimeNetworkValidationInputPreparer : Keras Network Learner : 3:24 : The number of rows of the input validation data table (99) is not a multiple of the selected validation batch size (10). Thus, the last batch of each validation phase will continue at the beginning of the validation 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. 2022-11-30 16:18:25,401 : WARN : Thread-34 : : PythonKernel : Keras Network Learner : 3:24 : C:\Users\user\anaconda3\envs\py3_knime_dl\lib\site-packages\keras\engine\saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2022-11-30 16:18:49,332 : ERROR : KNIME-Worker-0-Keras Network Learner 3:24 : : DLKerasLearnerNodeModel : Keras Network Learner : 3:24 : java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 2022-11-30 16:18:49,332 : ERROR : KNIME-Worker-0-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : 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:751) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:721) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$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. Cause: Connection reset at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:555) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:193) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:712) ... 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.DLPythonAbstractContext.close(DLPythonAbstractContext.java:242) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:572) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:162) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:717) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.Python2KernelBackend.synchronousClose(Python2KernelBackend.java:1340) at org.knime.python2.kernel.Python2KernelBackend.close(Python2KernelBackend.java:1301) at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:544) at org.knime.dl.python.core.DLPythonAbstractContext.close(DLPythonAbstractContext.java:240) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 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.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source) 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 Suppressed: [CIRCULAR REFERENCE: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.net.SocketException: Connection reset at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) 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 Caused by: [CIRCULAR REFERENCE: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset] 2022-11-30 16:47:37,473 : WARN : KNIME-Worker-5-Keras Network Learner 3:24 : : DLKnimeNetworkValidationInputPreparer : Keras Network Learner : 3:24 : The number of rows of the input validation data table (99) is not a multiple of the selected validation batch size (10). Thus, the last batch of each validation phase will continue at the beginning of the validation 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. 2022-11-30 16:47:39,065 : WARN : Thread-126 : : PythonKernel : Keras Network Learner : 3:24 : C:\Users\user\anaconda3\envs\py3_knime_dl\lib\site-packages\keras\engine\saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2022-11-30 16:47:54,913 : ERROR : KNIME-Worker-5-Keras Network Learner 3:24 : : DLKerasLearnerNodeModel : Keras Network Learner : 3:24 : java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 2022-11-30 16:47:54,914 : ERROR : KNIME-Worker-5-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : 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:751) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:721) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$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. Cause: Connection reset at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:555) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:193) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:712) ... 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.DLPythonAbstractContext.close(DLPythonAbstractContext.java:242) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:572) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:162) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:717) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.Python2KernelBackend.synchronousClose(Python2KernelBackend.java:1340) at org.knime.python2.kernel.Python2KernelBackend.close(Python2KernelBackend.java:1301) at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:544) at org.knime.dl.python.core.DLPythonAbstractContext.close(DLPythonAbstractContext.java:240) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 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.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source) 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 Suppressed: [CIRCULAR REFERENCE: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.net.SocketException: Connection reset at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) 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 Caused by: [CIRCULAR REFERENCE: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset] 2022-12-01 09:59:00,149 : WARN : KNIME-Worker-5-Keras Network Learner 3:24 : : DLKnimeNetworkValidationInputPreparer : Keras Network Learner : 3:24 : The number of rows of the input validation data table (99) is not a multiple of the selected validation batch size (10). Thus, the last batch of each validation phase will continue at the beginning of the validation 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. 2022-12-01 09:59:02,311 : WARN : Thread-51 : : PythonKernel : Keras Network Learner : 3:24 : C:\Users\user\anaconda3\envs\py3_knime_dl\lib\site-packages\keras\engine\saving.py:292: UserWarning: No training configuration found in save file: the model was *not* compiled. Compile it manually. 2022-12-01 09:59:25,457 : ERROR : KNIME-Worker-5-Keras Network Learner 3:24 : : DLKerasLearnerNodeModel : Keras Network Learner : 3:24 : java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 2022-12-01 09:59:25,459 : ERROR : KNIME-Worker-5-Keras Network Learner 3:24 : : Node : Keras Network Learner : 3:24 : 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:751) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:721) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.execute(DLKerasLearnerNodeModel.java:320) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:549) at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1267) at org.knime.core.node.Node.execute(Node.java:1041) at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:595) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95) at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117) at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:367) at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:221) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$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. Cause: Connection reset at org.knime.dl.python.core.DLPythonAbstractCommands.trainNetwork(DLPythonAbstractCommands.java:555) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.trainInternal(DLPythonAbstractNetworkTrainingSession.java:193) at org.knime.dl.core.training.DLAbstractNetworkTrainingSession.run(DLAbstractNetworkTrainingSession.java:273) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:712) ... 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.DLPythonAbstractContext.close(DLPythonAbstractContext.java:242) at org.knime.dl.python.core.DLPythonAbstractCommands.close(DLPythonAbstractCommands.java:572) at org.knime.dl.python.core.training.DLPythonAbstractNetworkTrainingSession.close(DLPythonAbstractNetworkTrainingSession.java:162) at org.knime.dl.keras.base.nodes.learner.DLKerasLearnerNodeModel.executeInternal(DLKerasLearnerNodeModel.java:717) ... 14 more Caused by: org.knime.python2.kernel.PythonKernelCleanupException: Failed to clean up Python. See log for details. at org.knime.python2.kernel.Python2KernelBackend.synchronousClose(Python2KernelBackend.java:1340) at org.knime.python2.kernel.Python2KernelBackend.close(Python2KernelBackend.java:1301) at org.knime.python2.kernel.PythonKernel.close(PythonKernel.java:544) at org.knime.dl.python.core.DLPythonAbstractContext.close(DLPythonAbstractContext.java:240) ... 17 more Caused by: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset 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.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source) 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 Suppressed: [CIRCULAR REFERENCE: java.lang.Exception: Failed to distribute message from Python. Cause: Message receiver loop terminated.] Caused by: java.net.SocketException: Connection reset at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) at java.base/java.io.DataInputStream.readFully(Unknown Source) 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 Caused by: [CIRCULAR REFERENCE: java.lang.Exception: Failed to receive message from Python or forward received message. Cause: Connection reset]