Sergey Shelukhin created HBASE-21627:
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Summary: race condition between a recovered RIT for meta replica,
and master startup
Key: HBASE-21627
URL: https://issues.apache.org/jira/browse/HBASE-21627
Project: HBase
Issue Type: Bug
Reporter: Sergey Shelukhin
Master recovers RIT for a meta replica
{noformat}
2018-12-14 23:16:12,008 INFO [master/...:17000:becomeActiveMaster]
assignment.AssignmentManager: Attach pid=83796, ppid=83788,
state=RUNNABLE:REGION_STATE_TRANSITION_OPEN, hasLock=false;
TransitRegionStateProcedure table=hbase:meta, region=(region), ASSIGN to
rit=OFFLINE, location=null, table=hbase:meta, region=(region) to restore RIT
2018-12-14 23:16:16,475 WARN [PEWorker-8]
assignment.TransitRegionStateProcedure: No location specified for {ENCODED =>
(region), NAME => 'hbase:meta,,1_0001', STARTKEY => '', ENDKEY => '',
REPLICA_ID => 1}, jump back to state
REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE to get one
...
2018-12-14 23:16:30,010 INFO [PEWorker-16] procedure2.ProcedureExecutor:
Finished pid=83796, ppid=83788, state=SUCCESS, hasLock=false;
TransitRegionStateProcedure table=hbase:meta, region=(region), ASSIGN in 8mins,
23.39sec
{noformat}
Then tries to assign replicas..
{noformat}
2018-12-14 23:16:36,091 ERROR [master/...:17000:becomeActiveMaster]
master.HMaster: Failed to become active master
org.apache.hadoop.hbase.client.DoNotRetryRegionException: Unexpected state for
rit=OPEN, location=server,17020,1544858156805, table=hbase:meta, region=(region)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.preTransitCheck(AssignmentManager.java:548)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.assign(AssignmentManager.java:563)
at
org.apache.hadoop.hbase.master.MasterMetaBootstrap.assignMetaReplicas(MasterMetaBootstrap.java:84)
at
org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:1146)
{noformat}
Unfortunately I misplaced the log from this after copy-pasting a grep result so
that's all I have for this.
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