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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2019/02/27 03:21:00 UTC
[jira] [Resolved] (HBASE-21943) The usage of
RegionLocations.mergeRegionLocations is wrong for async client
[ https://issues.apache.org/jira/browse/HBASE-21943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Duo Zhang resolved HBASE-21943.
-------------------------------
Resolution: Fixed
Pushed the addendum to branch-2.1
> 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
> Priority: Critical
> Fix For: 3.0.0, 2.2.0, 2.0.5, 2.3.0, 2.1.4
>
> Attachments: HBASE-21943-UT-v1.patch, HBASE-21943-UT.patch, HBASE-21943-UT.patch, HBASE-21943-addendum-branch-2.1.patch, HBASE-21943-v1.patch, HBASE-21943-v2.patch, HBASE-21943.patch
>
>
> 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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