Good night, our Knime service on AWS is UP, however in the execution of processes it presents the error: 31-Jan-2020 16:46:16.805 SEVERE [localhost-startStop-1] com.knime.enterprise.server.application.KNIMEServerApplication.initializeServices Could not prestart executor: RMI executor could not be started, see log file for details com.knime.enterprise.utility.ExecutorException: RMI executor could not be started, see log file for details at com.knime.enterprise.server.executor.rmi.RMIExecutorImpl.reportStartupError(RMIExecutorImpl.java:420) at com.knime.enterprise.server.executor.rmi.RMIExecutorImpl.startSlave(RMIExecutorImpl.java:356) at com.knime.enterprise.server.executor.rmi.RMIExecutorImpl.(RMIExecutorImpl.java:224) at com.knime.enterprise.server.executor.rmi.RMIExecutorManagerImpl.startNewRMI(RMIExecutorManagerImpl.java:307) at com.knime.enterprise.server.executor.rmi.RMIExecutorManagerImpl.startNewRMI(RMIExecutorManagerImpl.java:325) at com.knime.enterprise.server.executor.rmi.RMIExecutorManagerImpl.startNewRMI(RMIExecutorManagerImpl.java:325) at com.knime.enterprise.server.executor.rmi.RMIExecutorManagerImpl.getExecutorInstance(RMIExecutorManagerImpl.java:384) at com.knime.enterprise.server.executor.rmi.RMIExecutorManagerImpl.getExecutorInstance(RMIExecutorManagerImpl.java:63) at com.knime.enterprise.server.application.KNIMEServerApplication.initializeServices(KNIMEServerApplication.java:324) at com.knime.enterprise.server.application.KNIMEServerApplication.start(KNIMEServerApplication.java:134) at com.knime.enterprise.war.ServerInitListener.contextInitialized(ServerInitListener.java:74) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4792) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:629) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) 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)

Hi @fsborges we currently have a problem with this Java Release, we are working on a fix and will release this as soon as possible. Your current workaround would be to downgrade to a older Java Version. More details you can find here [image] Java update 8u242 breaks execution with RMI executors KNIME Server The recent update of Java to 8u242 on Ubuntu breaks execution of workflows using RMI executors (which still is the default execution mode right now). We have identified the problem and are currently working on a fix and will release it as soon as possible. Until then please don’t update Java if possible! If you already updated and your server isn’t working any more, downgrade to the previous version (everything before 8u241 will work). On Windows uninstall the current version and install a pre… Best, Iris

RMIExecutorManagerImpl error

KNIME Server

Iris February 3, 2020, 8:02am 8

Hi @fsborges

we currently have a problem with this Java Release, we are working on a fix and will release this as soon as possible.

Your current workaround would be to downgrade to a older Java Version. More details you can find here

Best, Iris

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