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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/11/11 13:32:00 UTC

[jira] [Created] (HBASE-21465) Retry on reportRegionStateTransition can lead to unexpected errors

Duo Zhang created HBASE-21465:
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             Summary: Retry on reportRegionStateTransition can lead to unexpected errors
                 Key: HBASE-21465
                 URL: https://issues.apache.org/jira/browse/HBASE-21465
             Project: HBase
          Issue Type: Sub-task
            Reporter: Duo Zhang
             Fix For: 3.0.0, 2.2.0


It is possible that the reportRegionStateTransition method is succeeded at master side, but before returning the the region server, the rpc connection is broken, or the master restarts. So next when the region server try again,we will find that the state for the region and the TRSP is not correct, and can lead to a RS abort or something even worse.

We should be able to determine whether a reportRegionStateTransition call is just a retry and has already been succeeded, and just ignore it.



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