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https://issues.apache.org/jira/browse/DIRMINA-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhang Hua closed DIRMINA-1160.
------------------------------
Resolution: Invalid
> mina2.0.22 NioProcessor thread make cpu 100%
> --------------------------------------------
>
> Key: DIRMINA-1160
> URL: https://issues.apache.org/jira/browse/DIRMINA-1160
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.22
> Environment: openjdk version "1.8.0_312"
> OpenJDK Runtime Environment (build 1.8.0_312-b07)
> OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)
> CentOS Linux release 8.3.2011
> Kernel: Linux 4.18.0-240.1.1.el8_3.x86_64
> Reporter: Zhang Hua
> Priority: Major
> Attachments: 288075.thread.dump.txt, top.288075.thread.png,
> top.processor.png
>
>
> use mina as mobile game server demo and NioProcessor thread make cpu 100%
> thread dump:
> "NioProcessor-1" #67 prio=5 os_prio=0 tid=0x00007f9bec01b000 nid=0x466a3
> runnable [0x00007f9bd4fdc000]
> 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:93)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> - locked <0x00000000b632b678> (a sun.nio.ch.Util$3)
> - locked <0x00000000b632b668> (a
> java.util.Collections$UnmodifiableSet)
> - locked <0x00000000b632b550> (a sun.nio.ch.EPollSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> at
> org.apache.mina.transport.socket.nio.NioProcessor.select(NioProcessor.java:112)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:616)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> is that nio epollWait bug? please help
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