Ted Yu created HBASE-10867:
------------------------------
Summary: TestRegionPlacement#testRegionPlacement occasionally fails
Key: HBASE-10867
URL: https://issues.apache.org/jira/browse/HBASE-10867
Project: HBase
Issue Type: Test
Reporter: Ted Yu
Assignee: Ted Yu
Priority: Minor
Attachments: 10867-v1.txt
>From
>https://builds.apache.org/job/HBase-TRUNK/5047/testReport/org.apache.hadoop.hbase.master/TestRegionPlacement/testRegionPlacement/
> :
{code}
java.lang.ArrayIndexOutOfBoundsException: 10
at
java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:368)
at
java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:377)
at
org.apache.hadoop.hbase.LocalHBaseCluster.getRegionServer(LocalHBaseCluster.java:224)
at
org.apache.hadoop.hbase.MiniHBaseCluster.getRegionServer(MiniHBaseCluster.java:609)
at
org.apache.hadoop.hbase.master.TestRegionPlacement.killRandomServerAndVerifyAssignment(TestRegionPlacement.java:303)
at
org.apache.hadoop.hbase.master.TestRegionPlacement.testRegionPlacement(TestRegionPlacement.java:270)
{code}
In the setup:
{code}
TEST_UTIL.startMiniCluster(SLAVES);
{code}
where SLAVES is 10.
So when 10 was used in TEST_UTIL.getHBaseCluster().getRegionServer(killIndex),
we would get ArrayIndexOutOfBoundsException.
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