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Re: [jetty-users] jetty native memory leak

Dhiraj,

That thread dump just shows an idle thread. In past versions of jetty,
there were issues with jdk epoll bugs, but they manifested themselves
as cpu spin. So if you're not seeing undue cpu activity then this is
not a problem.

Jan

On 23 June 2014 14:57, dhiraj prajapati <dhirajpraj@xxxxxxxxx> wrote:
> I am using Jetty 9.1.2 in my application. The application uses huge native
> memory space. In the thread dump, I see a lot of instances like:
>
> "qtp2042324703-524-selector-ServerConnectorManager@5c95306c/7" prio=10
> tid=0x00007f4c1985a000 nid=0xb7bb runnable [0x00007f4c0ef6e000]
>    java.lang.Thread.State: RUNNABLE
>         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
>         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
>         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
>         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
>         - locked <0x00000000bff941a8> (a sun.nio.ch.Util$2)
>         - locked <0x00000000bff94198> (a
> java.util.Collections$UnmodifiableSet)
>         - locked <0x00000000bff941b8> (a sun.nio.ch.EPollSelectorImpl)
>         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
>         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
>         at
> org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:531)
>         at
> org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:484)
>         at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:607)
>         at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:536)
>         at java.lang.Thread.run(Thread.java:744)
>
> I need some help to sort this out. Is this a known bug which is fixed in a
> later release?
>
> Regards,
>
> Dhiraj
>
>
> _______________________________________________
> jetty-users mailing list
> jetty-users@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/jetty-users
>



-- 
Jan Bartel <janb@xxxxxxxxxxx>
www.webtide.com
'Expert Jetty/CometD developer,production,operations advice'


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