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https://issues.apache.org/jira/browse/HBASE-8912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798249#comment-13798249
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Vladimir Rodionov commented on HBASE-8912:
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I posted how to reproduce this issue.
https://issues.apache.org/jira/browse/HBASE-8912?focusedCommentId=13721821&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13721821
> [0.94] AssignmentManager throws IllegalStateException from PENDING_OPEN to
> OFFLINE
> ----------------------------------------------------------------------------------
>
> Key: HBASE-8912
> URL: https://issues.apache.org/jira/browse/HBASE-8912
> Project: HBase
> Issue Type: Bug
> Reporter: Enis Soztutar
> Fix For: 0.94.13
>
> Attachments: HBase-0.94 #1036 test - testRetrying [Jenkins].html
>
>
> AM throws this exception which subsequently causes the master to abort:
> {code}
> java.lang.IllegalStateException: Unexpected state :
> testRetrying,jjj,1372891751115.9b828792311001062a5ff4b1038fe33b.
> state=PENDING_OPEN, ts=1372891751912,
> server=hemera.apache.org,39064,1372891746132 .. Cannot transit it to OFFLINE.
> at
> org.apache.hadoop.hbase.master.AssignmentManager.setOfflineInZooKeeper(AssignmentManager.java:1879)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1688)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1424)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1399)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1394)
> at
> org.apache.hadoop.hbase.master.handler.ClosedRegionHandler.process(ClosedRegionHandler.java:105)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:175)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:662)
> {code}
> This exception trace is from the failing test TestMetaReaderEditor which is
> failing pretty frequently, but looking at the test code, I think this is not
> a test-only issue, but affects the main code path.
> https://builds.apache.org/job/HBase-0.94/1036/testReport/junit/org.apache.hadoop.hbase.catalog/TestMetaReaderEditor/testRetrying/
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