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From "Fredrik Jonson (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2247) JMSPriority header value is not propagated
Date Wed, 13 May 2009 15:14:51 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fredrik Jonson resolved AMQ-2247.
---------------------------------

    Resolution: Working as Designed


I believe the behavior you describe complies with the JMS specification. It may be a bit surprising
but if you read the javadoc for the setJMSPriority method is states "JMS providers set this
field when a message is sent". I.e. it is not intended for the application code, but the message
producer.

The application can either, as you mentioned, set the default priority for the producer. Alternatively
when the application needs to adjust the level per message, you can use one of the MessageProducer.send()
methods that takes a message priority as an argument.

I'll close this issue, but I'm not a activemq commiter, so feel free to reopen this issue
again if you feel that my interpretation is invalid or not sufficient for you.

> JMSPriority header value is not propagated
> ------------------------------------------
>
>                 Key: AMQ-2247
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2247
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>         Environment: Debian testing 32 bit x86.  IBM jvm 1.6.0-4
>            Reporter: Jerry Quinn
>
> I'm trying to use selectors to simulate priority in queues.  I found that if I use Message.setJMSPriority()
with a different number from the default, that number gets ignored and the default value of
4 is put in the message.  Looking at messages in the broker admin web app, the priority is
set to 4.
> If I instead use MessageProducer.setPriority() to set this, I can successfully change
the priority in the header.

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