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https://issues.apache.org/jira/browse/HBASE-14968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Dimiduk updated HBASE-14968:
---------------------------------
Fix Version/s: (was: 1.1.4)
1.1.3
> ConcurrentModificationException in region close resulting in the region
> staying in closing state
> ------------------------------------------------------------------------------------------------
>
> Key: HBASE-14968
> URL: https://issues.apache.org/jira/browse/HBASE-14968
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment, regionserver
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.3, 0.98.17, 1.0.4
>
> Attachments: hbase-14968_v1.patch
>
>
> We have seen this in our tests. The region gets closed, but the region close
> handler gets an unexpected exception causing the region to stay in closing
> state until RS is restarted.
> The Phoenix and security coprocessors were loaded in that region. Here is the
> stack trace:
> {code}
> java.util.ConcurrentModificationException
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
> at java.util.ArrayList$Itr.next(ArrayList.java:851)
> at
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost$Environment.shutdown(CoprocessorHost.java:442)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment.shutdown(RegionCoprocessorHost.java:155)
> at
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost.shutdown(CoprocessorHost.java:272)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$5.postEnvCall(RegionCoprocessorHost.java:496)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1761)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postClose(RegionCoprocessorHost.java:489)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1502)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1349)
> at
> org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:138)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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