[HBASE-20100] TestEnableTableProcedure flakey

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0-beta-2, 2.0.0
• Component/s: amv2, test
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 27/Feb/18 19:59
• Updated: 07/May/19 16:08
• Resolved: 01/Mar/18 16:55

Description

Failed in the nightly in interesting way.

https://builds.apache.org/job/HBase%20Nightly/job/branch-2/398/

A subprocedure of enable table is assigning regions. The test is doing a kill of the procedure store to ensure we can handle all state transtions even in face of failure. In this case, the kill of PE framework came in the finish of the assign procedure AFTER we'd updated hbase:meta and the internal AM state moving Region from OPENING to OPEN. Rerunning this step on restoration of the AMv2 WAL Store results in....

2018-02-27 16:28:02,290 WARN  [PEWorker-1] assignment.RegionTransitionProcedure(331): Retryable error trying to transition: pid=64, ppid=52, state=RUNNABLE:REGION_TRANSITION_FINISH; AssignProcedure table=testRecoveryAndDoubleExecution, region=cdc8d2202f4aa4daf381bf1bf2e2fe0c; rit=OPEN, location=104080720bc8,38818,1519748808967
org.apache.hadoop.hbase.exceptions.UnexpectedStateException: Expected [OFFLINE, CLOSED, SPLITTING, SPLIT, OPENING, FAILED_OPEN] so could move to OPEN but current state=OPEN

Issue Links

• relates to: HBASE-20103 [pv2] AssignmentProcedure is too coarse grained
• links to: Review Board (branch-2)