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https://issues.apache.org/jira/browse/HBASE-8912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13858530#comment-13858530
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Jean-Marc Spaggiari commented on HBASE-8912:
--------------------------------------------
I found one node running 0.94.3. Node 8. But the version exception has been
thrown by node1. I checked node1 with the webui and the jars, and it's all
0.94.15. Master (node3) is running the last 0.94 branch with this patch
applied. All the other nodes are all running 0.94.15RC.
I have updated Node8 to 0.94.15RC and will retry.
Regarding the patch, I'm +1 with it since it will allow master to start, even
if it doesn't fix the issue completely. But seems that, as you said, there is
more to do.
> [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
> Assignee: Lars Hofhansl
> Priority: Critical
> Fix For: 0.94.16
>
> Attachments: 8912-0.94-alt2.txt, 8912-0.94.txt, HBase-0.94 #1036 test
> - testRetrying [Jenkins].html, log.txt,
> org.apache.hadoop.hbase.catalog.TestMetaReaderEditor-output.txt
>
>
> 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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