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https://issues.apache.org/jira/browse/HBASE-20202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16403703#comment-16403703
]
stack commented on HBASE-20202:
-------------------------------
Retry. Test passes locally.
> [AMv2] Don't move region if its a split parent or offlined
> ----------------------------------------------------------
>
> Key: HBASE-20202
> URL: https://issues.apache.org/jira/browse/HBASE-20202
> Project: HBase
> Issue Type: Sub-task
> Components: amv2
> Affects Versions: 2.0.0-beta-2
> Reporter: stack
> Assignee: stack
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-20202.branch-2.001.patch,
> HBASE-20202.branch-2.002.patch, HBASE-20202.branch-2.003.patch,
> HBASE-20202.branch-2.003.patch
>
>
> Found this one running ITBLLs. We'd just finished splitting a region
> 91655de06786f786b0ee9c51280e1ee6 and then a move for it comes in. The move
> fails in an interesting way. The location has been removed from the
> regionnode kept by the Master. HBASE-20178 adds macro checks on context. Need
> to add a few checks to the likes of MoveRegionProcedure so we don't try to
> move an offlined/split parent.
> {code}
> 2018-03-14 10:21:45,678 INFO [PEWorker-2] procedure2.ProcedureExecutor:
> Finished pid=3177, state=SUCCESS; SplitTableRegionProcedure
> table=IntegrationTestBigLinkedList, parent=91655de06786f786b0ee9c51280e1ee6,
> daughterA=b67bf6b79eaa83de788b0519f782ce8e,
> daughterB=99cf6ddb38cad08e3aa7635b6cac2e7b in 10.0210sec
> 2018-03-14 10:21:45,679 INFO [PEWorker-15]
> procedure.MasterProcedureScheduler: pid=3194, ppid=3193,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; UnassignProcedure
> table=IntegrationTestBigLinkedList, region=af198ca64b196fb3d2f5b3e815b2dad0,
> server=ve0530.halxg.cloudera.com,16020,1521007509855,
> IntegrationTestBigLinkedList,\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xA0,1521047891276.af198ca64b196fb3d2f5b3e815b2dad0.
> 2018-03-14 10:21:45,680 INFO [PEWorker-5]
> procedure.MasterProcedureScheduler: pid=3187,
> state=RUNNABLE:MOVE_REGION_UNASSIGN; MoveRegionProcedure
> hri=IntegrationTestBigLinkedList,\x0C0\xC3\x0C0\xC3\x0C0,1521045713137.91655de06786f786b0ee9c51280e1ee6.,
> source=ve0530.halxg.cloudera.com,16020,1521007509855,
> destination=ve0528.halxg.cloudera.com,16020,1521047890874,
> IntegrationTestBigLinkedList,\x0C0\xC3\x0C0\xC3\x0C0,1521045713137.91655de06786f786b0ee9c51280e1ee6.
> 2018-03-14 10:21:45,680 INFO [PEWorker-15] assignment.RegionStateStore:
> pid=3194 updating hbase:meta
> row=IntegrationTestBigLinkedList,\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xA0,1521047891276.af198ca64b196fb3d2f5b3e815b2dad0.,
> regionState=CLOSING
> 2018-03-14 10:21:45,680 INFO [PEWorker-5] procedure2.ProcedureExecutor:
> Initialized subprocedures=[{pid=3195, ppid=3187,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; UnassignProcedure
> table=IntegrationTestBigLinkedList, region=91655de06786f786b0ee9c51280e1ee6,
> server=ve0530.halxg.cloudera.com,16020,1521007509855}]
> 2018-03-14 10:21:45,683 INFO [PEWorker-15]
> assignment.RegionTransitionProcedure: Dispatch pid=3194, ppid=3193,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; UnassignProcedure
> table=IntegrationTestBigLinkedList, region=af198ca64b196fb3d2f5b3e815b2dad0,
> server=ve0530.halxg.cloudera.com,16020,1521007509855; rit=CLOSING,
> location=ve0530.halxg.cloudera.com,16020,1521007509855
> 2018-03-14 10:21:45,752 INFO [PEWorker-15]
> procedure.MasterProcedureScheduler: pid=3195, ppid=3187,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; UnassignProcedure
> table=IntegrationTestBigLinkedList, region=91655de06786f786b0ee9c51280e1ee6,
> server=ve0530.halxg.cloudera.com,16020,1521007509855,
> IntegrationTestBigLinkedList,\x0C0\xC3\x0C0\xC3\x0C0,1521045713137.91655de06786f786b0ee9c51280e1ee6.
> 2018-03-14 10:21:45,753 ERROR [PEWorker-15] procedure2.ProcedureExecutor:
> CODE-BUG: Uncaught runtime exception: pid=3195, ppid=3187,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; UnassignProcedure
> table=IntegrationTestBigLinkedList, region=91655de06786f786b0ee9c51280e1ee6,
> server=ve0530.halxg.cloudera.com,16020,1521007509855
> java.lang.NullPointerException
>
>
>
> at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
> at
> org.apache.hadoop.hbase.master.assignment.RegionStates.getOrCreateServer(RegionStates.java:934)
> at
> org.apache.hadoop.hbase.master.assignment.RegionStates.addRegionToServer(RegionStates.java:962)
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.markRegionAsClosing(AssignmentManager.java:1548)
>
>
> at
> org.apache.hadoop.hbase.master.assignment.UnassignProcedure.updateTransition(UnassignProcedure.java:197)
> at
> org.apache.hadoop.hbase.master.assignment.RegionTransitionProcedure.execute(RegionTransitionProcedure.java:304)
>
>
> at
> org.apache.hadoop.hbase.master.assignment.RegionTransitionProcedure.execute(RegionTransitionProcedure.java:86)
> at
> org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:845)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1452)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1221)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$800(ProcedureExecutor.java:75)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1740)
>
>
>
> 2018-03-14 10:21:45,835 DEBUG [RSProcedureDispatcher-pool3-t22]
> ipc.NettyRpcConnection: Connecting to
> ve0530.halxg.cloudera.com/10.17.240.23:16020
> {code}
> Will work on this after HBASE-20178
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