Duo Zhang created HBASE-21278:
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Summary: TestMergeTableRegionsProcedure is flaky
Key: HBASE-21278
URL: https://issues.apache.org/jira/browse/HBASE-21278
Project: HBase
Issue Type: Bug
Reporter: Duo Zhang
https://builds.apache.org/job/HBase-Flaky-Tests/job/master/1235/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.master.assignment.TestMergeTableRegionsProcedure-output.txt/*view*/
I think the problem is
{noformat}
2018-10-08 03:44:30,315 INFO [PEWorker-1]
procedure.MasterProcedureScheduler(689): pid=43, ppid=42, state=SUCCESS,
hasLock=false; TransitRegionStateProcedure
table=testRollbackAndDoubleExecution, region=9bac7c539ac0cff6dc5706ed375a3bfb,
UNASSIGN checking lock on 9bac7c539ac0cff6dc5706ed375a3bfb
2018-10-08 03:44:30,320 ERROR [PEWorker-1] helpers.MarkerIgnoringBase(159):
CODE-BUG: Uncaught runtime exception for pid=43, ppid=42, state=SUCCESS,
hasLock=true; TransitRegionStateProcedure table=testRollbackAndDoubleExecution,
region=9bac7c539ac0cff6dc5706ed375a3bfb, UNASSIGN
java.lang.UnsupportedOperationException
at
org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure.rollbackState(TransitRegionStateProcedure.java:458)
at
org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure.rollbackState(TransitRegionStateProcedure.java:97)
at
org.apache.hadoop.hbase.procedure2.StateMachineProcedure.rollback(StateMachineProcedure.java:208)
at
org.apache.hadoop.hbase.procedure2.Procedure.doRollback(Procedure.java:957)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:1605)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:1567)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1446)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$900(ProcedureExecutor.java:76)
{noformat}
Typically there is no rollback for TRSP. Need to dig more.
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