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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