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https://issues.apache.org/jira/browse/DIRSERVER-2394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17832966#comment-17832966
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Emmanuel Lécharny commented on DIRSERVER-2394:
----------------------------------------------
This is complicated.
The MINA Iohandler exceptionCaught() method which is called here when a write
to a closed session is attempted could be called for many other reasons (all
MINA related).
In any case, there is little we can do in this very case, exception flushing
the exception in the log.
> org.apache.mina.core.write.WriteToClosedSessionException every 40-60 seconds
> ----------------------------------------------------------------------------
>
> Key: DIRSERVER-2394
> URL: https://issues.apache.org/jira/browse/DIRSERVER-2394
> Project: Directory ApacheDS
> Issue Type: Bug
> Components: core
> Affects Versions: 2.0.0.AM27
> Reporter: Oleksandr Andreiev
> Priority: Major
>
> I see such an exception after moving from 2.0.0.AM26 to 2.0.0.AM27.
> {{WARN [org.apache.directory.server.ldap.LdapProtocolHandler] - Unexpected
> exception forcing session to close: sending disconnect notice to client.
> org.apache.mina.core.write.WriteToClosedSessionException
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.clearWriteRequestQueue(AbstractPollingIoProcessor.java:1192)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.removeNow(AbstractPollingIoProcessor.java:1153)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.removeSessions(AbstractPollingIoProcessor.java:864)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:694)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at java.base/java.lang.Thread.run(Thread.java:833)
> }}
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