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https://issues.apache.org/jira/browse/HBASE-10301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13866253#comment-13866253
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Ted Yu commented on HBASE-10301:
--------------------------------
With patch v2, the test passed on QA:
{code}
Running org.apache.hadoop.hbase.master.TestAssignmentManagerOnCluster
Tests run: 13, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 42.036 sec
{code}
> TestAssignmentManagerOnCluster#testOpenCloseRacing fails intermittently
> -----------------------------------------------------------------------
>
> Key: HBASE-10301
> URL: https://issues.apache.org/jira/browse/HBASE-10301
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Attachments: 10301-v1.txt, 10301-v2.txt,
> testAssignmentManagerOnCluster.testOpenCloseRacing-8362.html
>
>
> The test failure came from PreCommit build #8362
> {code}
> 2014-01-08 08:50:01,584 DEBUG [Thread-415] master.AssignmentManager(2181): No
> previous transition plan found (or ignoring an existing plan) for
> testOpenCloseRacing,A, 1389171001573.c18ad6dfb0055258336e96a299f57263.;
> generated random
> plan=hri=testOpenCloseRacing,A,1389171001573.c18ad6dfb0055258336e96a299f57263.,
> src=, dest=asf002.sp2. ygridcore.net,59479,1389170993670; 4 (online=4,
> available=4) available servers, forceNewPlan=false
> ...
> 2014-01-08 08:50:01,908 DEBUG [Thread-415] master.AssignmentManager(1694):
> Offline
> testOpenCloseRacing,A,1389171001573.c18ad6dfb0055258336e96a299f57263., it's
> not any more on asf002.sp2.ygridcore.net,59479,1389170993670
> org.apache.hadoop.hbase.NotServingRegionException:
> org.apache.hadoop.hbase.NotServingRegionException: The region
> c18ad6dfb0055258336e96a299f57263 was opening but not yet served. Opening is
> cancelled.
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:2553)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:3725)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:19797)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2008)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:92)
> at
> org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
> at
> org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
> at
> org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
> at java.lang.Thread.run(Thread.java:662)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at
> org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
> at
> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:280)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.closeRegion(ProtobufUtil.java:1594)
> at
> org.apache.hadoop.hbase.master.ServerManager.sendRegionClose(ServerManager.java:693)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.unassign(AssignmentManager.java:1672)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.forceRegionStateToOffline(AssignmentManager.java:1773)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1423)
> at
> org.apache.hadoop.hbase.master.TestAssignmentManagerOnCluster.testOpenCloseRacing(TestAssignmentManagerOnCluster.java:622)
> ...
> 2014-01-08 08:50:01,919 DEBUG [Thread-415] master.AssignmentManager(2181): No
> previous transition plan found (or ignoring an existing plan) for
> testOpenCloseRacing,A, 1389171001573.c18ad6dfb0055258336e96a299f57263.;
> generated random
> plan=hri=testOpenCloseRacing,A,1389171001573.c18ad6dfb0055258336e96a299f57263.,
> src=, dest=asf002.sp2. ygridcore.net,59479,1389170993670; 4 (online=4,
> available=4) available servers, forceNewPlan=true
> {code}
> The second call to getRegionPlan() returned the same server, thus leading to
> assertion failure:
> {code}
> assertFalse("Region should assigned on a new region server",
> oldServerName.equals(serverName));
> {code}
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