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From Gary Tully <gary.tu...@gmail.com>
Subject Re: Multiple consumer in exclusive mode does not work.
Date Fri, 17 Jul 2009 15:24:30 GMT
2009/7/17 RakeshRay <Rakesh.Ray@proquest.com>:
>
> Good to know that it could be fixed in 5.3.
> Please help me understand the fix here...
> Was the fix made to the broker? If yes then it should not matter what
> protocol I use to get the messages out of the queue!
> Am I making sense here?
>

Sure, the changes that I think may be relevant are to the broker core
and are transport independent but would all have used openwire test
cases to reproduce.

> Or if you can point me to  the full detail of the problem and the details
> about the fix, that could help me understand better as well.
>

It is difficult to be exact here but the following query[1] on the
activemq jira (broker fixes to 5.2 with duplicate in the text) will
give you a feel for the changes.

[1] http://issues.apache.org/activemq/secure/IssueNavigator.jspa?reset=true&&query=duplicate&summary=true&description=true&type=1&pid=10520&fixfor=11914&version=11841&component=10763

> Thanks you for your time so far.
>
no problem.

>
> Gary Tully wrote:
>>
>> Exclusive Consumers is designed to work that way.
>>
>> If you have very high load and message spooling to disk you may be
>> seeing some duplicate message delivery. Some issues around occasional
>> duplicate delivery were addresses on trunk over the past few months.
>> The current 5.3-SNAPSHOT should behave better in this regard with the
>> caveat that Stomp was not a prerequisite for the behavior.
>> If your test scenario does not work as expected with a 5.3-SNAPSHOT
>> please raise a jira issue with a test case so we can attempt to
>> address the issue for the 5.3 release.
>>
>> 2009/7/15 RakeshRay <Rakesh.Ray@proquest.com>:
>>>
>>> Starting multiple consumer using Stomp protocol, in exclusive mode kills
>>> others and just keeps one consumerr alive.
>>> How do I get unique messages using multiple consumers?
>>>
>>> If I turn off exclusive mode, and run multiple consumers they seems to
>>> get
>>> the same message 1% off time.
>>>
>>> Any suggestions are welcomed!
>>> Using active mq 5.2
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Multiple-consumer-in-exclusive-mode-does-not-work.-tp24506735p24506735.html
>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>>
>> --
>> http://blog.garytully.com
>>
>> Open Source Integration
>> http://fusesource.com
>>
>>
>
> --
> View this message in context: http://www.nabble.com/Multiple-consumer-in-exclusive-mode-does-not-work.-tp24506735p24534850.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>



-- 
http://blog.garytully.com

Open Source Integration
http://fusesource.com

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