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Posted to dev@mina.apache.org by "Emmanuel Lécharny (Jira)" <ji...@apache.org> on 2022/06/27 08:18:00 UTC
[jira] [Commented] (DIRMINA-1167) mina2.0.8 NioProcessor thread make cpu 100%
[ https://issues.apache.org/jira/browse/DIRMINA-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17559066#comment-17559066 ]
Emmanuel Lécharny commented on DIRMINA-1167:
--------------------------------------------
Also note that SSHD is currently in version 2.8.0, version 0.14 is more than 7 years old (2015-03-09)...
> mina2.0.8 NioProcessor thread make cpu 100%
> -------------------------------------------
>
> Key: DIRMINA-1167
> URL: https://issues.apache.org/jira/browse/DIRMINA-1167
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.8
> Environment: Linux version 4.18.0-193.el8.x86_64
> java.version 1.8.0_202
> Reporter: Kazunari Nakao
> Priority: Major
>
> Using SSHD (sshd-core-0.14.0) with our product, CPU 100% in NioProcessor thread.
> {code:java}
> "NioProcessor-11" #2262170 prio=5 os_prio=0 tid=0x00007f4ec6020800 nid=0x157b9e runnable [0x00007f4e9aeef000]
> 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 <0x00000000e0932158> (a sun.nio.ch.Util$3)
> - locked <0x00000000e0932148> (a java.util.Collections$UnmodifiableSet)
> - locked <0x00000000e0931f10> (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:97)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1074)
> at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - <0x00000000e0a089a8> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "NioProcessor-13" #2269881 prio=5 os_prio=0 tid=0x00007f4ec4c53800 nid=0x1628d1 runnable [0x00007f4eb61d4000]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
> at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
> at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
> - locked <0x00000000e0931da0> (a java.lang.Object)
> at org.apache.mina.transport.socket.nio.NioProcessor.wakeup(NioProcessor.java:113)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1163)
> at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - <0x00000000e0a1cc48> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> "NioProcessor-10" #1144555 prio=5 os_prio=0 tid=0x00007f4ec5f78000 nid=0xf3d93 runnable [0x00007f4ea2081000]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
> at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
> at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
> - locked <0x00000000e0932860> (a java.lang.Object)
> at org.apache.mina.transport.socket.nio.NioProcessor.wakeup(NioProcessor.java:113)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1163)
> at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - <0x00000000e0975c90> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> {code}
> I am doing a machine translation, so please forgive any unnatural parts.
> CPU is at 100% in 3 threads.
> Is this the same bug as DIRMINA-1006?
> If it is the same as DIRMINA-1006
> If it is the same as DIRMINA-1006, please let me know how to reproduce it so that it does not recur.
> plese help.
> mina2.0.9 NioProcessor thread make cpu 100%
> https://issues.apache.org/jira/browse/DIRMINA-1006
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