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https://issues.apache.org/activemq/browse/CAMEL-1064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=47648#action_47648
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Christopher Hunt commented on CAMEL-1064:
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I appreciate that life is full and busy, but has anybody been able to identify
a potential work-around for this issue? I'm looking to move my Camel based
service into production next week so it'd be great to have a resolution one way
or another. Thank you for your help.
> Camel ActiveMQ service not recovering from lost broker
> ------------------------------------------------------
>
> Key: CAMEL-1064
> URL: https://issues.apache.org/activemq/browse/CAMEL-1064
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-activemq
> Affects Versions: 1.4.0, 1.5.0
> Environment: Mac OS X (10.5), Java 1.5, ActiveMQ 5.1.0
> Reporter: Christopher Hunt
> Assignee: Hadrian Zbarcea
> Priority: Critical
> Attachments: CamelJmsToFileExample.java
>
>
> If the ActiveMQ broker is shut down and then started again while a Camel
> ActiveMQ endpoint based program is listening on its queue, the program does
> not pick the queue back up for consuming when ActiveMQ is back up. Anything
> subsequently posted to the new broker becomes available only when the Camel
> program is restarted.
> This is a problem in production style scenarios where the broker has to be
> restarted for some reason e.g. so that modifications to its configuration can
> be made.
> I have been able to observe the above behaviour with the
> camel-example-jms-file project and attach a modified version of the
> CamelJmsToFileExample.java file. My modifications bind to the broker at
> tcp://localhost:61616 and cause the example to pause for 20s before sending
> out any messages. In this time, if the broker (which has to be started
> externally prior to executing the example) is shutdown and then started
> again, no messages are received.
> Here are the actual recommended steps to reproduce the problem:
> 1. Start the ActiveMQ broker in one terminal window
> 2. Run the example via mvn compile exec:java
> 3. When the message displays stating that you have 20s, Ctrl-C the broker in
> the broker terminal window
> 4. When the broker stops, start it again
> At this point no messages are displayed - you would expect them to be - they
> have actually been sent out. This can be verified also:
> 5. Type mvn compile exec:java again
> 6. Let the example continue without interfering with the broker.
> You will now see the messages posted previously prior while the program waits
> for 20 seconds (remember no messages have been posted at this point). Letting
> the example continue demonstrates that after the 20 seconds, the messages are
> sent out and then received quickly given that we have not touched the broker.
> The original thread posting can be found at:
> http://www.nabble.com/Camel-ActiveMQ-service-not-recovering-from-lost-broker-to20379163s22882.html
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