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https://issues.apache.org/jira/browse/JAMES-979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim-Christian Mundt updated JAMES-979:
--------------------------------------

    Attachment: jstack_inifinite.log
                jstack_short.log

Sure, I attached two jstacks. The one after the error that only occurs once and 
the other during the infinite loop. Tell me if I can be of any further help, 
whatever I can do for debugging, I'd be glad to do.

> IOException when closing mail client
> ------------------------------------
>
>                 Key: JAMES-979
>                 URL: https://issues.apache.org/jira/browse/JAMES-979
>             Project: JAMES Server
>          Issue Type: Bug
>          Components: IMAPServer
>    Affects Versions: Trunk
>         Environment: Win XP, Thunderbird
>            Reporter: Tim-Christian Mundt
>            Priority: Critical
>         Attachments: jstack_inifinite.log, jstack_short.log
>
>
> Quite often when closing Thunderbird I get this exception:
> ERROR 10:56:01,234 | james.imapserver | Error while processing imap request
> java.io.IOException: Eine vorhandene Verbindung wurde vom Remotehost 
> geschlossen *
>       at sun.nio.ch.SocketDispatcher.write0(Native Method)
>       at sun.nio.ch.SocketDispatcher.write(Unknown Source)
>       at sun.nio.ch.IOUtil.writeFromNativeBuffer(Unknown Source)
>       at sun.nio.ch.IOUtil.write(Unknown Source)
>       at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
>       at 
> org.apache.mina.transport.socket.nio.NioProcessor.write(NioProcessor.java:208)
>       at 
> org.apache.mina.transport.socket.nio.NioProcessor.write(NioProcessor.java:42)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.writeBuffer(AbstractPollingIoProcessor.java:834)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.flushNow(AbstractPollingIoProcessor.java:764)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.flush(AbstractPollingIoProcessor.java:692)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$500(AbstractPollingIoProcessor.java:61)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:973)
>       at 
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
>       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown 
> Source)
>       at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>       at java.lang.Thread.run(Unknown Source)
> I occurs aprx 200 times per second and basically fills up the hard drive with 
> those lines in the log files (that's why I set this issue to critical). I've 
> no idea how to debug this because I can't see where this is called.
> *) an existing connection has been closed by the remote host

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