Stig Rohde Døssing created STORM-3379:
-----------------------------------------
Summary: 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
{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.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
