Lars Hofhansl created PHOENIX-5579:
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Summary: HRegionServer sometimes does not shut down.
Key: PHOENIX-5579
URL: https://issues.apache.org/jira/browse/PHOENIX-5579
Project: Phoenix
Issue Type: Improvement
Reporter: Lars Hofhansl
I noticed that recently only. Latest build from HBase's branch-1 and latest
build from Phoenix' 4.x-HBase-1.5. I don't know, yet, whether it's a Phoenix or
an HBase issues.
Just filing it here for later reference.
jstack show this thread as the only non-daemon thread:
{code:java}
"pool-11-thread-1" #470 prio=5 os_prio=0 tid=0x0000558a709a4800 nid=0x238e
waiting on condition [0x00007f213ad68000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000058eafece8> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748){code}
No other information. Somebody created a thread pool somewhere and forgot to
set the threads to daemon or is not shutting down the pool properly.
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