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https://issues.apache.org/jira/browse/STORM-3379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated STORM-3379:
----------------------------------
Labels: pull-request-available (was: )
> Intermittent NPE during worker boot in local mode
> -------------------------------------------------
>
> Key: STORM-3379
> URL: https://issues.apache.org/jira/browse/STORM-3379
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-client
> Affects Versions: 2.0.0
> Reporter: Stig Rohde Døssing
> Assignee: Stig Rohde Døssing
> Priority: Minor
> Labels: pull-request-available
>
> {quote}
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.storm.daemon.supervisor.LocalContainer.launch(LocalContainer.java:57)
> ~[storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.supervisor.LocalContainerLauncher.launchContainer(LocalContainerLauncher.java:49)
> ~[storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.supervisor.Slot.handleWaitingForBlobUpdate(Slot.java:536)
> ~[storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.supervisor.Slot.stateMachineStep(Slot.java:230)
> ~[storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at org.apache.storm.daemon.supervisor.Slot.run(Slot.java:931)
> [storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> Caused by: java.lang.NullPointerException
> at
> org.apache.storm.daemon.worker.WorkerState.readWorkerExecutors(WorkerState.java:623)
> ~[storm-client-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.worker.WorkerState.<init>(WorkerState.java:156)
> ~[storm-client-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at org.apache.storm.daemon.worker.Worker.loadWorker(Worker.java:174)
> ~[storm-client-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.worker.Worker.lambda$start$0(Worker.java:166)
> ~[storm-client-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[?:1.8.0_201]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_201]
> at org.apache.storm.daemon.worker.Worker.start(Worker.java:165)
> ~[storm-client-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> at
> org.apache.storm.daemon.supervisor.LocalContainer.launch(LocalContainer.java:55)
> ~[storm-server-2.0.1-SNAPSHOT.jar:2.0.1-SNAPSHOT]
> ... 4 more
> {quote}
> The issue is that the WorkerState tries to read executor assignment from ZK,
> and gets null back.
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