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gaojinchao commented on HBASE-4124: ----------------------------------- I have finished the test. I discribe the scene: step 1: startup cluster step 2: abort the master when finish call "sendRegionOpen(destination, regions)" step 3: startup cluster again. above steps will reproduce the issue. when master is failover. the meta records the dead server,but the region is processing for a living region server. > ZK restarted while assigning a region, new active HM re-assign it but the RS > warned 'already online on this server'. > -------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-4124 > URL: https://issues.apache.org/jira/browse/HBASE-4124 > Project: HBase > Issue Type: Bug > Components: master > Reporter: fulin wang > Attachments: HBASE-4124_Branch90V1_trial.patch, > HBASE-4124_Branch90V2.patch, log.txt > > Original Estimate: 0.4h > Remaining Estimate: 0.4h > > ZK restarted while assigning a region, new active HM re-assign it but the RS > warned 'already online on this server'. > Issue: > The RS failed besause of 'already online on this server' and return; The HM > can not receive the message and report 'Regions in transition timed out'. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira