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Posted to dev@qpid.apache.org by "Martin Ritchie (JIRA)" <qp...@incubator.apache.org> on 2009/03/27 19:02:50 UTC
[jira] Commented: (QPID-1779) Session close as a result of
disconnection will block the client
[ https://issues.apache.org/jira/browse/QPID-1779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689989#action_12689989 ]
Martin Ritchie commented on QPID-1779:
--------------------------------------
We should also take a look at the FailoverHandler as it handles failure to Failover in two distinct ways.
1) If connection is not achieved:
_amqProtocolHandler.getConnection().exceptionReceived(
new AMQDisconnectedException("Server closed connection and no failover " +
"was successful", null));
2) If connection is achieved but cannot resubscribe:
_amqProtocolHandler.exceptionCaught(_session, e);
> Session close as a result of disconnection will block the client
> ----------------------------------------------------------------
>
> Key: QPID-1779
> URL: https://issues.apache.org/jira/browse/QPID-1779
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: M2.1, M3, M4, 0.5
> Reporter: Martin Ritchie
> Attachments: CloseAfterConnectionFailureTest.java, QPID-1779-SessionCloseBlockFix.patch
>
>
> Summary:
> When the connection is closed due to a network or protocol error attempting to cleanly shutdown the open objects will cause the client to block.
> Closing consumers will succeed as they have a default timeout of 30s.
> Closing a session uses -1 i.e. wait for ever, so will block the client code.
> Closing the connection uses a decreasing timeout is the only sure way of cleaning up.
> This however poses a problem for Mule users as their reconnection logic will be fired through the onException handler and explicitly close all the objects rather than just the connection.
> Test Case attached along with potential patch.
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