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https://issues.apache.org/jira/browse/HBASE-16874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15590206#comment-15590206
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Hudson commented on HBASE-16874:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #1817 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/1817/])
HBASE-16874 Fix TestMasterFailoverWithProcedures and ensure single
(matteo.bertozzi: rev d9ee25e82a13d7df1ae097e0f3ae6d12dc9e94fa)
* (edit)
hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/ProcedureTestingUtility.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestMasterFailoverWithProcedures.java
> 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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