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Posted to issues@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2016/10/19 20:24:59 UTC
[jira] [Updated] (HBASE-16874) Fix TestMasterFailoverWithProcedures
and ensure single proc-executor for kill/restart tests
[ https://issues.apache.org/jira/browse/HBASE-16874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matteo Bertozzi updated HBASE-16874:
------------------------------------
Summary: Fix TestMasterFailoverWithProcedures and ensure single proc-executor for kill/restart tests (was: Potential NPE from ProcedureExecutor#stop())
> Fix TestMasterFailoverWithProcedures and ensure single proc-executor for kill/restart tests
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-16874
> URL: https://issues.apache.org/jira/browse/HBASE-16874
> Project: HBase
> Issue Type: Sub-task
> Components: proc-v2
> Reporter: Ted Yu
> Assignee: Matteo Bertozzi
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: 16874.v1.txt, HBASE-16874-v0.patch, HBASE-16874-v1.patch
>
>
> When examining failed test :
> https://builds.apache.org/job/HBase-TRUNK_matrix/lastCompletedBuild/jdk=JDK%201.8%20(latest),label=yahoo-not-h2/testReport/org.apache.hadoop.hbase.master.procedure/TestMasterFailoverWithProcedures/org_apache_hadoop_hbase_master_procedure_TestMasterFailoverWithProcedures/
> I noticed the following:
> {code}
> 2016-10-18 18:47:39,313 INFO [Time-limited test] procedure.TestMasterFailoverWithProcedures(306): Restart 2 exec state: TRUNCATE_TABLE_CLEAR_FS_LAYOUT
> Exception in thread "ProcedureExecutorWorker-1" java.lang.NullPointerException
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.stop(ProcedureExecutor.java:533)
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1197)
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:959)
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$700(ProcedureExecutor.java:73)
> at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1405)
> {code}
> This seems to be the result of race between stop() and join() methods.
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