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From Emmanuel Lécharny (Jira) <j...@apache.org>
Subject [jira] [Commented] (DIRMINA-989) Frequent CancelledKeyException
Date Sun, 03 Nov 2019 23:31:00 GMT

    [ https://issues.apache.org/jira/browse/DIRMINA-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16966297#comment-16966297
] 

Emmanuel Lécharny commented on DIRMINA-989:
-------------------------------------------

I can't say.

What I can say is that MINA 2.0.8 is 5 years old, and that we have cut 13 releases since 2.0.8,
so you'd better upgrade...

> Frequent CancelledKeyException
> ------------------------------
>
>                 Key: DIRMINA-989
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-989
>             Project: MINA
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.8
>         Environment: Debian 7.6 x86_64, JRE 1.7.0_67
>            Reporter: Hidden
>            Priority: Minor
>             Fix For: 2.0.9
>
>
> I was told by Mr. Lécharny to post this here so that it can be linked in a changelog.

> Since we've updated to MINA 2.0.8, we've been getting this exception every few minutes:
> java.nio.channels.CancelledKeyException
>     at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
>     at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:77)
>     at org.apache.mina.transport.socket.nio.NioProcessor.setInterestedInWrite(NioProcessor.java:287)
>     at org.apache.mina.transport.socket.nio.NioProcessor.setInterestedInWrite(NioProcessor.java:45)
>     at org.apache.mina.core.polling.AbstractPollingIoProcessor.flushNow(AbstractPollingIoProcessor.java:880)
>     at org.apache.mina.core.polling.AbstractPollingIoProcessor.flush(AbstractPollingIoProcessor.java:778)
>     at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$700(AbstractPollingIoProcessor.java:67)
>     at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1126)
>     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)
> It only occurs in a production environment when there are many clients.



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