Ted Yu created HBASE-12152:
------------------------------

             Summary: 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


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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