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https://issues.apache.org/jira/browse/QPID-3521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659777#comment-14659777
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Alex Rudyy commented on QPID-3521:
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The rational behind moving functionality from
AMQConnection#doWithAllLocks(Runnable) into
ConnectionHelper#doWithAllConnectionAndSessionLocks(Runnable) was to be able to
run 0.8 failover with the all locks acquired without introduction of public
method on AMQConnection or changing visibility to public for
AMQConnection#doWithAllLocks(Runnable).
At the moment we are considering to get rid of ConnectionHelper by either of
following:
1) Restoring AMQConnection#doWithAllLocks(Runnable) and introduction of
additional interface on AMQProtocolHandler with a single method responsible for
failover running and having private implementation on AMQConnection which can
be passed into AMQProtocolHandler constructor as a parameter
2) Restoring AMQConnection#doWithAllLocks(Runnable) and moving FailoverHandler
into AMQConnection package, thus it can call AMQConnection#doWithAllLocks
> failover process for the 0-8 client does not clear the pre-dispatch queue
> -------------------------------------------------------------------------
>
> Key: QPID-3521
> URL: https://issues.apache.org/jira/browse/QPID-3521
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Reporter: Robbie Gemmell
> Assignee: Alex Rudyy
> Labels: failover
> Attachments: clear-dispatch-queue-on-failover.diff
>
>
> failover process for the 0-8 client does not clear the pre-dispatch queue,
> only the consumer receive queue.
> This is currently masked by an issue with the rollbackMark. The changes made
> in QPID-3546 to fix the 0-10 client path need to be applied to the 0-8/9/9-1
> client path when this issue is resolved.
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