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https://issues.apache.org/jira/browse/HBASE-21003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568418#comment-16568418
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Ted Yu commented on HBASE-21003:
--------------------------------
Makes sense.
bq. except split success
I guess you mean 'expect the split to be successful'
> Fix the flaky TestSplitOrMergeStatus
> ------------------------------------
>
> Key: HBASE-21003
> URL: https://issues.apache.org/jira/browse/HBASE-21003
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.1.0, 2.0.1
> Reporter: Allan Yang
> Assignee: Allan Yang
> Priority: Major
>
> TestSplitOrMergeStatus.testSplitSwitch() is flaky because :
> 1. Set the split switch to false
> 2. Split the region, except nothing happen
> 3. Set the split switch to true, but since the last split request may not
> start yet, so setting the switch to true may lead to the last split success
> 4. Split the same region again, except split success. But since the last
> split operation may already successful, this one will fail
> Maybe we should wait for a while between 2 and 3.
> {code}
> org.apache.hadoop.hbase.client.DoNotRetryRegionException:
> 3f16a57c583e6ecf044c5b7de2e97121 is not OPEN;
> regionState={3f16a57c583e6ecf044c5b7de2e97121 state=SPLITTING,
> ts=1533239385789, server=asf911.gq1.ygridcore.net,60061,1533239369899}
> at
> org.apache.hadoop.hbase.master.procedure.AbstractStateMachineTableProcedure.checkOnline(AbstractStateMachineTableProcedure.java:191)
> at
> org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure.<init>(SplitTableRegionProcedure.java:112)
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.createSplitProcedure(AssignmentManager.java:756)
> at org.apache.hadoop.hbase.master.HMaster$2.run(HMaster.java:1722)
> at
> org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.submitProcedure(MasterProcedureUtil.java:131)
> at org.apache.hadoop.hbase.master.HMaster.splitRegion(HMaster.java:1714)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.splitRegion(MasterRpcServices.java:797)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> {code}
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