Jinho Kim created TAJO-1468:
-------------------------------

             Summary: Integration test does not terminate occasionally
                 Key: TAJO-1468
                 URL: https://issues.apache.org/jira/browse/TAJO-1468
             Project: Tajo
          Issue Type: Bug
          Components: rpc
    Affects Versions: 0.11.0
            Reporter: Jinho Kim


Here is stack dump
{noformat}
"main" prio=5 tid=7ffceb800800 nid=0x10c4cb000 waiting on condition [10c4c8000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <7d5bf9900> (a 
java.util.concurrent.CountDownLatch$Sync)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1011)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1303)
        at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:253)
        at 
org.apache.tajo.rpc.NettyClientBase.handleConnectionInternally(NettyClientBase.java:146)
        at 
org.apache.tajo.rpc.NettyClientBase.checkConnection(NettyClientBase.java:118)
        at org.apache.tajo.rpc.NettyClientBase.acquire(NettyClientBase.java:97)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:87)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:70)
        at 
org.apache.tajo.client.SessionConnection.getTajoMasterConnection(SessionConnection.java:102)
        at 
org.apache.tajo.client.QueryClientImpl.getQueryStatus(QueryClientImpl.java:312)
        at 
org.apache.tajo.client.QueryClientImpl.getQueryResultAndWait(QueryClientImpl.java:284)
        at 
org.apache.tajo.client.QueryClientImpl.executeQueryAndGetResult(QueryClientImpl.java:222)
        at 
org.apache.tajo.client.TajoClientImpl.executeQueryAndGetResult(TajoClientImpl.java:110)
        at 
org.apache.tajo.QueryTestCaseBase.executeString(QueryTestCaseBase.java:323)
        at 
org.apache.tajo.engine.query.TestTablePartitions.testColumnPartitionedTableByOneColumnsWithCompression(TestTablePartitions.java:549)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
{noformat}



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