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Vlad Rozov commented on APEXCORE-770: ------------------------------------- [~vinaydt] Please update JIRA description with the proper NPE exception. The log provided only has warning level issues. > Application is killed due to NPE in ApplicationMaster > ----------------------------------------------------- > > Key: APEXCORE-770 > URL: https://issues.apache.org/jira/browse/APEXCORE-770 > Project: Apache Apex Core > Issue Type: Bug > Reporter: Vinay Bangalore Srikanth > Assignee: Sandesh > > In my apex-application, I was trying to delete different containers ( except > the app master ) randomly. > The application got killed unexpectedly with the following exception - > {noformat} > 2017-07-26 11:33:08,477 WARN com.datatorrent.stram.StreamingContainerManager: > Trying to get unknown container container_e47_1499808956620_0862_01_000001 > 2017-07-26 11:33:11,881 WARN com.datatorrent.stram.StreamingAppMasterService: > Failed to stop container container_e47_1499808956620_0862_01_000044 > org.apache.hadoop.yarn.exceptions.YarnException: Container > container_e47_1499808956620_0862_01_000044 is neither started nor scheduled > to start > at org.apache.hadoop.yarn.ipc.RPCUtil.getRemoteException(RPCUtil.java:45) > at > org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl.stopContainerAsync(NMClientAsyncImpl.java:234) > at > com.datatorrent.stram.StreamingAppMasterService.sendContainerAskToRM(StreamingAppMasterService.java:1175) > at > com.datatorrent.stram.StreamingAppMasterService.execute(StreamingAppMasterService.java:865) > at > com.datatorrent.stram.StreamingAppMasterService.run(StreamingAppMasterService.java:671) > at com.datatorrent.stram.StreamingAppMaster.main(StreamingAppMaster.java:106) > {noformat} -- This message was sent by Atlassian JIRA (v6.4.14#64029)