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https://issues.apache.org/jira/browse/SSHD-225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guillaume Nodet resolved SSHD-225.
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Resolution: Fixed
> InvertedShellWrapper does not shutdown its executor, preventing graceful JVM
> exit
> ---------------------------------------------------------------------------------
>
> Key: SSHD-225
> URL: https://issues.apache.org/jira/browse/SSHD-225
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 0.8.0
> Environment: Apple Java v. 1.6.0
> Reporter: Chris Janicki
> Assignee: Guillaume Nodet
> Fix For: 0.9.0
>
>
> When embedded in my app, the following SSHD thread remains running and
> prevents my app from exiting gracefully (by allowing the JVM to automatically
> shutdown when only deamon threads remain). I call sshd.stop(true), but this
> thread still remains. Note however, than it seems to die itself after
> several minutes (10+). Then my app successfully exits.
> "pool-6-thread-1" prio=5 tid=102821800 nid=0x10e941000 waiting on condition
> [10e940000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <7eedb8190> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:957)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:917)
> at java.lang.Thread.run(Thread.java:680)
> I tried the following to replace the executor's ThreadFactory with my own
> (this) that calls setDaemon(true) on the generated thread, but that didn't
> work for some reason… The thread in the dump was still not marked daemon, so
> maybe I'm looking at the wrong area.
> ScheduledExecutorService executor =
> Executors.newSingleThreadScheduledExecutor(this);
> sshd.setScheduledExecutorService(executor, true);
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