Abraham Elmahrek created SQOOP-1916:
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Summary: Sqoop2: Yarn child leaking in integration tests
Key: SQOOP-1916
URL: https://issues.apache.org/jira/browse/SQOOP-1916
Project: Sqoop
Issue Type: Bug
Components: sqoop2-test
Reporter: Abraham Elmahrek
Fix For: 1.99.5
It seems like the yarn child processes are leaking.
{noformat:title=jstack}
jstack 57054
2014-12-16 21:39:06
Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.65-b04 mixed mode):
"Attach Listener" daemon prio=5 tid=0x00007f90ebd57000 nid=0x610f
waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"DestroyJavaVM" prio=5 tid=0x00007f90ebd42800 nid=0x1903 waiting on
condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Abandoned connection cleanup thread" daemon prio=5
tid=0x00007f90ebce8800 nid=0x7103 in Object.wait()
[0x00000001129c9000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007fd3b9668> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007fd3b9668> (a java.lang.ref.ReferenceQueue$Lock)
at
com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:41)
"OutputFormatLoader-consumer" prio=5 tid=0x00007f90eb9b5800 nid=0x6d03
waiting on condition [0x00000001127c3000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000007fc9e5708> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
"org.apache.hadoop.hdfs.PeerCache@2582a699" daemon prio=5
tid=0x00007f90eca20000 nid=0x6b03 waiting on condition
[0x00000001126c0000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.hdfs.PeerCache.run(PeerCache.java:244)
at org.apache.hadoop.hdfs.PeerCache.access$000(PeerCache.java:41)
at org.apache.hadoop.hdfs.PeerCache$1.run(PeerCache.java:119)
at java.lang.Thread.run(Thread.java:745)
"Service Thread" daemon prio=5 tid=0x00007f90ec81f800 nid=0x5303
runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=5 tid=0x00007f90ef001000 nid=0x5103
waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=5 tid=0x00007f90ed819000 nid=0x4f03
waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=5 tid=0x00007f90ed818000 nid=0x4d03
runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=5 tid=0x00007f90ec821800 nid=0x3903 in
Object.wait() [0x0000000110ba2000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007ff842558> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007ff842558> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"Reference Handler" daemon prio=5 tid=0x00007f90eb811800 nid=0x3703 in
Object.wait() [0x0000000110a9f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007ff841f40> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007ff841f40> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=5 tid=0x00007f90eb80f000 nid=0x3503 runnable
"GC task thread#0 (ParallelGC)" prio=5 tid=0x00007f90ec00e000
nid=0x2503 runnable
"GC task thread#1 (ParallelGC)" prio=5 tid=0x00007f90ec00f000
nid=0x2703 runnable
"GC task thread#2 (ParallelGC)" prio=5 tid=0x00007f90eb80d000
nid=0x2903 runnable
"GC task thread#3 (ParallelGC)" prio=5 tid=0x00007f90eb80e000
nid=0x2b03 runnable
"GC task thread#4 (ParallelGC)" prio=5 tid=0x00007f90ec00f800
nid=0x2d03 runnable
"GC task thread#5 (ParallelGC)" prio=5 tid=0x00007f90ec800800
nid=0x2f03 runnable
"GC task thread#6 (ParallelGC)" prio=5 tid=0x00007f90ed000000
nid=0x3103 runnable
"GC task thread#7 (ParallelGC)" prio=5 tid=0x00007f90eb80e800
nid=0x3303 runnable
"VM Periodic Task Thread" prio=5 tid=0x00007f90ed82a800 nid=0x5503
waiting on condition
JNI global references: 184
{noformat}
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