[HBASE-21848] Fix tests in TestRegionLocationCaching

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Assignee: Xu Cang
• Reporter: Xu Cang
• Created: 05/Feb/19 19:00
• Updated: 06/Feb/19 00:38
• Resolved: 06/Feb/19 00:38

Description

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

Issue Links

• is caused by: HBASE-21775 The BufferedMutator doesn't ever refresh region location cache