[HBASE-12149] TestRegionPlacement is failing undeterministically

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 0.99.1
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Manukranth Kolloju
• Reporter: Manukranth Kolloju
• Due: 06/Oct/14
• Created: 01/Oct/14 23:49
• Updated: 06/Apr/18 17:55
• Resolved: 02/Oct/14 18:30

Description

TestRegionPlacement has tests that are flaky and fail in a cascading fashion. We need to fix this cascading behavior and also fix the flakyness of the tests.
16:20:59 java.lang.AssertionError: Region

{ENCODED => 958cbbb4405e3bbcfd04185538912d4c, NAME => 'testRegionAssignment,\x02\x02\x02,1412205636586.958cbbb4405e3bbcfd04185538912d4c.', STARTKEY => '\x02\x02\x02', ENDKEY => '\x03\x03\x03'}

not present on any of the expected servers
16:20:59 at org.junit.Assert.fail(Assert.java:88)
16:20:59 at org.apache.hadoop.hbase.master.TestRegionPlacement.killRandomServerAndVerifyAssignment(TestRegionPlacement.java:347)
16:20:59 at org.apache.hadoop.hbase.master.TestRegionPlacement.testRegionPlacement(TestRegionPlacement.java:270)
16:20:59
16:20:59 testFavoredNodesPresentForRoundRobinAssignment(org.apache.hadoop.hbase.master.TestRegionPlacement) Time elapsed: 0.047 sec <<< ERROR!
16:20:59 java.lang.ArrayIndexOutOfBoundsException: 9
16:20:59 at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:368)
16:20:59 at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:377)
16:20:59 at org.apache.hadoop.hbase.LocalHBaseCluster.getRegionServer(LocalHBaseCluster.java:237)
16:20:59 at org.apache.hadoop.hbase.MiniHBaseCluster.getRegionServer(MiniHBaseCluster.java:609)
16:20:59 at org.apache.hadoop.hbase.master.TestRegionPlacement.testFavoredNodesPresentForRoundRobinAssignment(TestRegionPlacement.java:113)
16:20:59
16:20:59 testFavoredNodesPresentForRandomAssignment(org.apache.hadoop.hbase.master.TestRegionPlacement) Time elapsed: 0.041 sec <<< ERROR!
16:20:59 java.lang.ArrayIndexOutOfBoundsException: 9
16:20:59 at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:368)
16:20:59 at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:377)
16:20:59 at org.apache.hadoop.hbase.LocalHBaseCluster.getRegionServer(LocalHBaseCluster.java:237)
16:20:59 at org.apache.hadoop.hbase.MiniHBaseCluster.getRegionServer(MiniHBaseCluster.java:609)
16:20:59 at org.apache.hadoop.hbase.master.TestRegionPlacement.testFavoredNodesPresentForRandomAssignment(TestRegionPlacement.java:173)