stack created HBASE-20202:
-----------------------------
Summary: [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
Found this one running ITBLLs. We'd just finished splitting a region and then a
move comes in. The move fails in an interesting way. The location has been
removed from the regionnode.
{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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