Github user HeartSaVioR commented on the issue:
https://github.com/apache/storm/pull/2443
@srdo
Rebased. I'm seeing intermittent test failure like below, but not
consistent failure. Will try to take a look at once I have time to, but let's
move it out of this PR.
```
17:32:06.845 [SLOT_1027] INFO o.a.s.m.StormMetricRegistry - Starting
metrics reporters...
17:32:06.845 [SLOT_1027] INFO o.a.s.s.a.ClientAuthUtils - Got AutoCreds []
17:32:06.846 [SLOT_1027] INFO o.a.s.d.w.WorkerState - Reading assignments
17:32:06.846 [SLOT_1027] ERROR o.a.s.d.s.Slot - Error when processing event
java.io.IOException: java.lang.NullPointerException
at
org.apache.storm.daemon.supervisor.LocalContainer.launch(LocalContainer.java:54)
~[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.supervisor.LocalContainerLauncher.launchContainer(LocalContainerLauncher.java:42)
~[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.supervisor.Slot.handleWaitingForBlobUpdate(Slot.java:528)
~[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.supervisor.Slot.stateMachineStep(Slot.java:232)
~[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at org.apache.storm.daemon.supervisor.Slot.run(Slot.java:902)
[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
Caused by: java.lang.NullPointerException
at
org.apache.storm.daemon.worker.WorkerState.readWorkerExecutors(WorkerState.java:630)
~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.worker.WorkerState.<init>(WorkerState.java:153)
~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at org.apache.storm.daemon.worker.Worker.loadWorker(Worker.java:172)
~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.worker.Worker.lambda$start$39(Worker.java:164)
~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at java.security.AccessController.doPrivileged(Native Method)
~[?:1.8.0_66]
at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_66]
at org.apache.storm.daemon.worker.Worker.start(Worker.java:163)
~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at
org.apache.storm.daemon.supervisor.LocalContainer.launch(LocalContainer.java:52)
~[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
... 4 more
17:32:06.847 [SLOT_1027] ERROR o.a.s.u.Utils - Halting process: Error when
processing an event
java.lang.RuntimeException: Halting process: Error when processing an event
at org.apache.storm.utils.Utils.exitProcess(Utils.java:473)
[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
at org.apache.storm.daemon.supervisor.Slot.run(Slot.java:949)
[storm-server-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
```
---
