[jira] [Commented] (HBASE-21848) Fix tests in TestRegionLocationCaching

["Xu Cang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-21848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16761331#comment-16761331 ] 

Xu Cang commented on HBASE-21848:
---------------------------------

I identified this test failure is also caused by https://issues.apache.org/jira/browse/HBASE-21775 



{code:java}
-    if (tableName == null && ClientExceptionsUtil.isMetaClearingException(regionException)) {

+ if (ClientExceptionsUtil.isMetaClearingException(regionException)) {
          // For multi-actions, we don't have a table name, but we want to make sure to clear the
          // cache in case there were location-related exceptions. We don't to clear the cache
          // for every possible exception that comes through, however.
          connection.clearCaches(server);
        }
{code}

This is causing clearing caches. 


> Fix tests in TestRegionLocationCaching 
> ---------------------------------------
>
>                 Key: HBASE-21848
>                 URL: https://issues.apache.org/jira/browse/HBASE-21848
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.3.0
>            Reporter: Xu Cang
>            Assignee: Xu Cang
>            Priority: Minor
>
> There are 4 flaky tests in TestRegionLocationCaching.
> They are in flaky tests list too: https://builds.apache.org/view/H-L/view/HBase/job/HBase-Find-Flaky-Tests/job/branch-1/lastSuccessfulBuild/artifact/dashboard.html 
> [ERROR]   TestRegionLocationCaching.testCachingForHTableMultiPut:133->checkRegionLocationIsCached:148 Expected non-zero number of cached region locations. Actual: 0
> [ERROR]   TestRegionLocationCaching.testCachingForHTableMultiplexerMultiPut:95->checkRegionLocationIsCached:148 Expected non-zero number of cached region locations. Actual: 0
> [ERROR]   TestRegionLocationCaching.testCachingForHTableMultiplexerSinglePut:73->checkRegionLocationIsCached:148 Expected non-zero number of cached region locations. Actual: 0
> [ERROR]   TestRegionLocationCaching.testCachingForHTableSinglePut:116->checkRegionLocationIsCached:148 Expected non-zero number of cached region locations. Actual: 0



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