Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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2.0.1
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None
Description
Saw this is a run against tip of branch-2.0. The region had just finished being split when the move goes to run.
2018-08-18 16:55:14,908 INFO [PEWorker-2] procedure2.ProcedureExecutor: Finished pid=2028, state=SUCCESS, hasLock=false; SplitTableRegionProcedure table=IntegrationTestBigLinkedList, parent=c3f199b5af62ae2ff8f8b6426b21d95d, daughterA=31ccbf098ae615ce30f28ec84c956b8f, daughterB=1890b4c96736f223f31efef11c817c90 in 9.0090sec 2018-08-18 16:55:14,908 INFO [PEWorker-16] procedure.MasterProcedureScheduler: pid=2038, ppid=2030, state=RUNNABLE:MOVE_REGION_UNASSIGN, hasLock=false; MoveRegionProcedure hri=c3f199b5af62ae2ff8f8b6426b21d95d, source=ve0540.halxg.cloudera.com,16020,1534632630737, destination=ve0540.halxg.cloudera.com,16020,1534632630737 checking lock on c3f199b5af62ae2ff8f8b6426b21d95d 2018-08-18 16:55:14,958 INFO [PEWorker-16] procedure2.ProcedureExecutor: Initialized subprocedures=[{pid=2095, ppid=2038, state=RUNNABLE:REGION_TRANSITION_DISPATCH, hasLock=false; UnassignProcedure table=IntegrationTestBigLinkedList, region=c3f199b5af62ae2ff8f8b6426b21d95d, server=ve0540.halxg.cloudera.com,16020,1534632630737}] 2018-08-18 16:55:15,008 INFO [PEWorker-3] procedure.MasterProcedureScheduler: pid=2095, ppid=2038, state=RUNNABLE:REGION_TRANSITION_DISPATCH, hasLock=false; UnassignProcedure table=IntegrationTestBigLinkedList, region=c3f199b5af62ae2ff8f8b6426b21d95d, server=ve0540.halxg.cloudera.com,16020,1534632630737 checking lock on c3f199b5af62ae2ff8f8b6426b21d95d 2018-08-18 16:55:15,085 ERROR [PEWorker-3] procedure2.ProcedureExecutor: CODE-BUG: Uncaught runtime exception: pid=2095, ppid=2038, state=RUNNABLE:REGION_TRANSITION_DISPATCH, hasLock=true; UnassignProcedure table=IntegrationTestBigLinkedList, region=c3f199b5af62ae2ff8f8b6426b21d95d, server=ve0540.halxg.cloudera.com,16020,1534632630737 java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936) at org.apache.hadoop.hbase.master.assignment.RegionStates.getOrCreateServer(RegionStates.java:1097) at org.apache.hadoop.hbase.master.assignment.RegionStates.addRegionToServer(RegionStates.java:1125) at org.apache.hadoop.hbase.master.assignment.AssignmentManager.markRegionAsClosing(AssignmentManager.java:1477) at org.apache.hadoop.hbase.master.assignment.UnassignProcedure.updateTransition(UnassignProcedure.java:204) at org.apache.hadoop.hbase.master.assignment.RegionTransitionProcedure.execute(RegionTransitionProcedure.java:345) at org.apache.hadoop.hbase.master.assignment.RegionTransitionProcedure.execute(RegionTransitionProcedure.java:97) at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:873) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1556) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1344) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$900(ProcedureExecutor.java:76) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1854)
Attachments
Attachments
Issue Links
- duplicates
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HBASE-21051 Possible NPE if ModifyTable and region split happen at the same time
- Resolved
- relates to
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HBASE-20921 Possible NPE in ReopenTableRegionsProcedure
- Resolved
- links to