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Posted to dev@hbase.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2017/10/12 14:41:00 UTC
[jira] [Resolved] (HBASE-18296) NPE in
ProcedureExecutor.removeChore
[ https://issues.apache.org/jira/browse/HBASE-18296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mike Drob resolved HBASE-18296.
-------------------------------
Resolution: Cannot Reproduce
I haven't seen this again, and I don't remember where it came from. If it pops up again I'll revisit it.
> NPE in ProcedureExecutor.removeChore
> ------------------------------------
>
> Key: HBASE-18296
> URL: https://issues.apache.org/jira/browse/HBASE-18296
> Project: HBase
> Issue Type: Bug
> Components: proc-v2
> Affects Versions: 2.0.0-alpha-1
> Reporter: Mike Drob
>
> Saw this in logs while debugging other failing tests:
> {noformat}
> 2017-06-29 13:54:15,995 ERROR [M:0;172.18.16.40:55484] server.NIOServerCnxnFactory$1(44): Thread Thread[M:0;172.18.16.40:55484,5,FailOnTimeoutGroup] died
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.removeChore(ProcedureExecutor.java:656)
> at org.apache.hadoop.hbase.master.assignment.AssignmentManager.stop(AssignmentManager.java:233)
> at org.apache.hadoop.hbase.master.HMaster.stopServiceThreads(HMaster.java:1154)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1189)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
> I think it was related to an initialization failure, but we should code more defensively anyway
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