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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DIRMINA-1006) mina2.0.9 NioProcessor thread make cpu 100%
Date Tue, 16 Oct 2018 15:29:00 GMT

     [ https://issues.apache.org/jira/browse/DIRMINA-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emmanuel Lecharny updated DIRMINA-1006:
---------------------------------------
    Fix Version/s: 2.0.12

> mina2.0.9 NioProcessor thread make cpu 100%
> -------------------------------------------
>
>                 Key: DIRMINA-1006
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-1006
>             Project: MINA
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.9
>         Environment: Linux version 2.6.32-358.el6.x86_64  (Red Hat 4.4.7-3)
> java version "1.7.0_67"
> Java(TM) SE Runtime Environment (build 1.7.0_67-b01)
> Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)
>            Reporter: briokyd
>            Priority: Blocker
>             Fix For: 2.0.12
>
>         Attachments: DIRMINA-1006.patch, cpu100_01.png, cpu100_02.png, cpu100_03.png,
threadDump78658_20150211_151742.log
>
>
> running as client after the Exception (java.io.IOException: Connection reset by peer)
 appeared , cpu 100%
> thread dump:
> "NioProcessor-931" prio=10 tid=0x00007f3788004800 nid=0xd41 runnable [0x00007f394f4f3000]
>    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 <0x00000007842118f0> (a sun.nio.ch.Util$2)
> 	- locked <0x00000007842118e0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000007842114b0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at org.apache.mina.transport.socket.nio.NioProcessor.select(NioProcessor.java:97)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1074)
> 	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
>    Locked ownable synchronizers:
> 	- <0x0000000784211210> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> is that nio epollWait bug?



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