unfortunately we need advisories for temp destinations to work across
networks :(
On 7 Apr 2006, at 23:26, Andrew Lusk (JIRA) wrote:
> [ https://issues.apache.org/activemq/browse/AMQ-677?
> page=comments#action_36012 ]
>
> Andrew Lusk commented on AMQ-677:
> ---------------------------------
>
> Another solution that I've found to work, with no performance
> penalty, is to simple not create / send on advisory topics for
> temporary destinations. I'm not sure if this might break
> something else internally though.
>
>
>> ActiveMQ broker leaks advisory topics
>> -------------------------------------
>>
>> Key: AMQ-677
>> URL: https://issues.apache.org/activemq/browse/AMQ-677
>> Project: ActiveMQ
>> Type: Bug
>
>> Components: Broker
>> Environment: linux, near-trunk version of ActiveMQ
>> Reporter: Andrew Lusk
>> Attachments: ProducerTool.java
>>
>>
>> When I run the attached code, which AFAIK is completely legal JMS,
>> the ActiveMQ broker grows to 500+ mb and crashes due to being out
>> of heap space.
>> Some investigation with hprof has lead me to believe that the
>> advisory topics created by the MessageConsumers (and Producers,
>> but I use the same producer each time so that's not causing a
>> problem) are being put into a DestinationMap and not being removed.
>> The rough origin of this is in the addProducer call in
>> AdvisoryBroker, which creates the advisory topic.
>> Note that this memory is not freed when the DestinationInfo
>> removing the original temptopic is received, nor when the actual
>> client exits. The object lifetime of these advisory destinations
>> seems very poorly defined. If they are implicitly created by the
>> server, they should be implicitly destroyed by the same.
>> To reproduce, I've been running this code with -Dtopic=true and -
>> Dmax=10000 (though the problem shows up well before this amount).
>> This is just a modified version of the example ProducerTool (note
>> it doesn't actually send any messages).
>> Please verify the correctness of the attached code.
>> Andrew Lusk
>
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