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https://issues.apache.org/jira/browse/HBASE-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16649359#comment-16649359
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Duo Zhang commented on HBASE-21278:
-----------------------------------
OK, good, all green.
> Do not rollback successful sub procedures when rolling back a procedure
> -----------------------------------------------------------------------
>
> Key: HBASE-21278
> URL: https://issues.apache.org/jira/browse/HBASE-21278
> Project: HBase
> Issue Type: Bug
> Components: proc-v2
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 3.0.0, 2.2.0
>
> Attachments: HBASE-21278-v1.patch, HBASE-21278.patch,
> org.apache.hadoop.hbase.master.assignment.TestMergeTableRegionsProcedure-output.txt
>
>
> 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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