activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From mffrench <mffre...@axway.com>
Subject Re: exception and exclusive queue
Date Wed, 25 Mar 2009 12:19:05 GMT

Your soluction seems to be a good one. I created the JIRA here :
https://issues.apache.org/activemq/browse/AMQ-2181

Gary Tully wrote:
> 
> Sounds reasonable, a variant of the exclusive consumer that is limited to
> one consumer would do it. Please raise a JIRA issue for this enhancement.
> 
> Consider how it should be configured. Possibly it requires an additional
> count attribute that limits the number of consumer that can wait for the
> exclusive lock, it could default to -1 meaning unlimited as is the current
> default for the feature:
> 
> 
> new
> ActiveMQQueue("TEST.QUEUE?consumer.exclusive=true&consumer.exclusiveBackupCount=0
> ");
> 
> A consumer that exceeds the backup count will get an exception. What do
> you
> think?
> 
> An additional attribute trumps changing consumer.exclusive from boolean to
> int to maintain backward compatibility
> 
> 2009/3/24 mffrench <mffrench@axway.com>
> 
>>
>> my use case is one consumer per queue, that's why I would like to close
>> any
>> other consumer if the resource is locked ... I think this is a really
>> simple
>> use case, isn't it ? I must say I've some difficulties to understand
>> rational and J2EE use case ...
>>
>> thanks
>>
>>
>> Gary Tully wrote:
>> >
>> > That is by design, the doc on exclusive consumers
>> > <http://activemq.apache.org/exclusive-consumer.html> explains the
>> rational
>> > and the J2EE use case.
>> > What is your use case?
>> >
>> > 2009/3/23 mffrench <mffrench@axway.com>
>> >
>> >>
>> >> Hello,
>> >>
>> >> There is no exception raised when I open a jms consumer on an
>> exclusive
>> >> queue which is already locked by another consumer ? The second
>> consumer
>> >> does
>> >> not receive any messages but I would like to get an exception to close
>> it
>> >> naturally... How is this possible ?
>> >>
>> >> Thanks
>> >>
>> >>
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/exception-and-exclusive-queue-tp22663885p22663885.html
>> >> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>> >>
>> >>
>> >
>> >
>> > --
>> > http://blog.garytully.com
>> >
>> > Open Source SOA
>> > http://FUSESource.com
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/exception-and-exclusive-queue-tp22663885p22686784.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> -- 
> http://blog.garytully.com
> 
> Open Source SOA
> http://FUSESource.com
> 
> 

-- 
View this message in context: http://www.nabble.com/exception-and-exclusive-queue-tp22663885p22700518.html
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


Mime
View raw message