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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2019/02/21 10:57:00 UTC

[jira] [Created] (HBASE-21943) The usage of RegionLocations.mergeRegionLocations is wrong for async client

Duo Zhang created HBASE-21943:
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             Summary: The usage of RegionLocations.mergeRegionLocations is wrong for async client
                 Key: HBASE-21943
                 URL: https://issues.apache.org/jira/browse/HBASE-21943
             Project: HBase
          Issue Type: Bug
          Components: asyncclient, Client
            Reporter: Duo Zhang
            Assignee: Duo Zhang


In AsyncRegionLocatorHelper.mergeRegionLocations we create a new RegionLocations and call mergeRegionLocations on it, expected that it will be changed by this method, but actually the method will not modify the object itself, it will return a new one...

And we are lucky that we create the RegionLocations with the new locations, so usually we will get update result. But when testing HBASE-21717, we meet another bug in AsyncNonMetaRegionLocator.isEqual, where we missed a '!' when checking server name equals...



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