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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2098) Advisory messages are empty when received with a Stomp subscription
Date Fri, 25 Jun 2010 20:30:53 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish resolved AMQ-2098.
-------------------------------

    Resolution: Fixed

Applied the supplied patch, with some additional modifications:

I added some new transformations to the set of XML and JSON transformations so that clients
like NMS.Stomp that don't support json can also receive the advisory messages in a format
they can digest, namely XML.  The new transformations are 'jms-advisory-xml' and 'jms-advisory-json'.
 By default the advisories got out in JSON in keeping with the supplied patch.  I also added
two top level transformation for NMS.Stomp to use since it can handle all the transformation
types in XML, these are 'jms-xml' and 'jms-json', when these are supplied any Advisory Message,
MapMessage or ObjectMessage is encoded into xml or json respectively.  

Added several additional unit tests for my changes along with the ones supplied in the patch.

> Advisory messages are empty when received with a Stomp subscription
> -------------------------------------------------------------------
>
>                 Key: AMQ-2098
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2098
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Transport
>    Affects Versions: 5.2.0
>         Environment: ActiveMQ 5.2, Sun Java 1.6.0_11, Fedora Linux
>            Reporter: Uwe Kubosch
>            Assignee: Timothy Bish
>             Fix For: 5.4.0
>
>         Attachments: stomp-advisory.patch
>
>
> We need advisory messages for client connections, and we are stomp when connecting to
ActiveMQ.  When we subscribe to ActiveMQ.Advisory.Connection, we get messages when clients
connect of disconnect, but the messages are empty.  I suspect the information is lost when
converting the ActiveMQMessage to a Stomp message.
> Some sort of simple serialization (like key: value pairs) of the ConnectionInfo object
in ActiveMQMessage.getDataStructure would solve the problem.

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