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https://issues.apache.org/jira/browse/HBASE-12152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14157262#comment-14157262
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stack commented on HBASE-12152:
-------------------------------
Why does it fix the problem?
> TestLoadIncrementalHFiles shows up as zombie test
> -------------------------------------------------
>
> Key: HBASE-12152
> URL: https://issues.apache.org/jira/browse/HBASE-12152
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Attachments: 12152-v3.txt
>
>
> TestLoadIncrementalHFiles and TestLoadIncrementalHFilesSplitRecovery
> frequently show up as zombie tests (from 0.98 to master branch).
> e.g. https://builds.apache.org/job/hbase-0.98/558/console
> Here is snippet of stack trace for TestLoadIncrementalHFilesSplitRecovery :
> {code}
> "main" prio=10 tid=0x00007f8670008000 nid=0x1105 waiting on condition
> [0x00007f8674b57000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x000000078d4c3ba0> (a
> java.util.concurrent.FutureTask$Sync)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:248)
> at java.util.concurrent.FutureTask.get(FutureTask.java:111)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.bulkLoadPhase(LoadIncrementalHFiles.java:382)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.doBulkLoad(LoadIncrementalHFiles.java:324)
> at
> org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFilesSplitRecovery.testGroupOrSplitWhenRegionHoleExistsInMeta(TestLoadIncrementalHFilesSplitRecovery.
> java:470)
> {code}
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