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https://issues.apache.org/jira/browse/DIRMINA-83?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny closed DIRMINA-83.
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> SocketIoProcessor halts if channel is closed while flushing.
> ------------------------------------------------------------
>
> Key: DIRMINA-83
> URL: https://issues.apache.org/jira/browse/DIRMINA-83
> Project: MINA
> Issue Type: Bug
> Affects Versions: 0.7.3
> Reporter: Trustin Lee
> Assignee: Trustin Lee
> Fix For: 0.7.4
>
>
> From Rodrigo Kumpera's report:
> Great work with mina, it do makes writting nio servers easy. I´m
> writing a filtering server and have the following scenario:
> 1-incoming connections, using ServiceRegistry with IoHandler.
> 2-filtering is done in a separate pool (using doug lea's
> util.concurrent package)
> 3-fowarding the result to another server, using SocketIoProcessor and
> IoThreadPoolFilter.
> So fair I´ve been able to fine tune the thread pool used by the
> ServiceRegistry (1).
> My problem is with (2) and (3), I want to have a single thread pool to
> be shared by the 3 stages of the server.
> With the filtering stage I´m thinking about playing with
> IoThreadPoolFilter implementation to use util.concurrent and expose
> it's interface.
> My problem when using a thread pool with the last stage, when
> connecting to foreign hosts, is that it throws the following exception
> under moderate load:
> java.nio.channels.CancelledKeyException
> at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:55)
> at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:59)
> at
> org.apache.mina.io.socket.SocketIoProcessor.flush(SocketIoProcessor.j
> ava:511)
> at
> org.apache.mina.io.socket.SocketIoProcessor.flushSessions(SocketIoPro
> cessor.java:422)
> at
> org.apache.mina.io.socket.SocketIoProcessor.access$300(SocketIoProces
> sor.java:41)
> at
> org.apache.mina.io.socket.SocketIoProcessor$Worker.run(SocketIoProces
> sor.java:546)
> I tried to use the same IoThreadPoolFilter with an instance of
> SocketIoProcessor and ServiceRegistry, but it doesn´t seen to work,
> the server halts and don't make any progress.
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