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https://issues.apache.org/activemq/browse/AMQ-1135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Davies resolved AMQ-1135.
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Fix Version/s: 5.1.0
(was: 5.2.0)
Resolution: Fixed
> Destroying durable subscription, does not entirely destory the durable
> subsciber
> --------------------------------------------------------------------------------
>
> Key: AMQ-1135
> URL: https://issues.apache.org/activemq/browse/AMQ-1135
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.1.0
> Environment: Linux 2.6.9-34.EL i686 i686 i386, Intel(R) Pentium(R) 4
> CPU 2.80GHz, 2GB memory
> Reporter: Sandeep Chayapathi
> Assignee: Rob Davies
> Fix For: 5.1.0
>
> Attachments: jconsole.gif
>
>
> Destroying a durable subcriber, via jconsole or by programmatically, does not
> remove the durable subscriber. Over a period of time, once the memory reaches
> the memorymanager limit, is causing "out of memory" exception.
> Steps to duplicate:
> 1. start activemq, with a memorymanager limit of 10 MB
> 2. start a consumer, as a durable subscriber (you can use the bundled example
> ConsumerTool.java), for a topic.
> 3. start a producer to send messages to the topic
> 4. kill the consumer, followed by the producer
> 5. use jconsole to connect to the activemq server
> 6. select the brokers "Operations" tab
> 7. delete the durable subscriber - notice the earlier subscription is never
> removed, instead moved to a "false" subscription state
> 8. start the producer again - notice the memory usage increases, upto the
> 10MB limit, and a "out of memory" exception is thrown
> Attached is a screenshot of my jconsole showing the "false" subscription
> state.
> This never occurred in AMQ 4.0.2 or 4.0.1, hence this must be a regression
> bug.
> I would appreciate either a fix/patch or a workaround solution for this
> issue, as this is one of the issues holding us from moving AMQ to a
> production setup.
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