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https://issues.apache.org/jira/browse/CAMEL-7897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-7897.
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Resolution: Won't Fix
Assignee: Claus Ibsen
There is always a window of opportunity that the jms consumer pickup new
messages while suspending.
You can set acceptMessagesWhileStopping=true and process the messages instead
of rejecting them.
Then when the suspending is complete new messages stats on the queue.
> Camel consumes & discards activemq messages after suspension
> ------------------------------------------------------------
>
> Key: CAMEL-7897
> URL: https://issues.apache.org/jira/browse/CAMEL-7897
> Project: Camel
> Issue Type: Bug
> Components: camel-jms
> Affects Versions: 2.14.0
> Environment: All
> Reporter: Robert Elliot
> Assignee: Claus Ibsen
> Attachments: SuspendJmsTest.java, pom.xml
>
>
> When used with a PooledConnectionFactory, a Camel Route that consumes via JMS
> from an ActiveMQ endpoint will read one extra message and simply discard it
> *after* it has completed suspension, if that message is sent within a second
> of suspension being completed.
> See attached test case.
> As far as I can tell this is because nothing interrupts the taskExecutor on
> DefaultMessageListenerContainer when a route is suspended.
> Expected behaviour - once a route is suspended, any messages sent to the
> queue from which it consumes should remain on that queue.
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