[jboss-jira] [JBoss JIRA] (JGRP-1508) MessageDispatcher allows sending messages after the channel has been closed

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716008#comment-12716008 ] 

Bela Ban commented on JGRP-1508:
--------------------------------

Another use case (testCancellationByClosingChannel()) is that - when a channel is closed *after* the request has been sent - the call will not return, but block until it runs into the timeout.
SOLUTION: when a channel is closed, send an event up the stack to notify MessageDispatcher. The latter then has to reset all pending requests, so that the callers are unblocked.
                
> MessageDispatcher allows sending messages after the channel has been closed
> ---------------------------------------------------------------------------
>
>                 Key: JGRP-1508
>                 URL: https://issues.jboss.org/browse/JGRP-1508
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.0.13, 3.1
>            Reporter: Dan Berindei
>            Assignee: Bela Ban
>             Fix For: 3.0.14, 3.2
>
>
> Channel.send() throws an exception if the channel is already closed, but MessageDispatcher goes around this and doesn't throw an exception immediately. Instead, if castMessage() was synchronous, it blocks and it times out after the request timeout expires.

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