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From "Thomas Bailey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3487) XA transaction topic message rollback memory leak
Date Thu, 08 Sep 2011 09:51:08 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100185#comment-13100185
] 

Thomas Bailey commented on AMQ-3487:
------------------------------------

My last statement "This is a serious problem for us as we are needing to restart activeMQ
on a daily basis to keep the production servers running." is now out of date.
We have had to resort to using queues for everything, and have noticed no memory leak after
running solidly for 3 months! So queues work beautifully :-)
However, we have reached a point where we really need to use topics, hence the defect.

> XA transaction topic message rollback memory leak
> -------------------------------------------------
>
>                 Key: AMQ-3487
>                 URL: https://issues.apache.org/jira/browse/AMQ-3487
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.2
>         Environment: Glassfish 3.1
>            Reporter: Thomas Bailey
>
> We have Glassfish sending messages to an activeMQ topic using an XA Transaction. This
seems to work correctly when transactions are committing.
> However, *every* time we have a transaction rollback we have a slight memory leak from
activeMQ. After 1000 rollbacks our 1mb queue memory is full.
> The logs show:
> 2011-06-06 11:50:06,842 | DEBUG | Setting up new connection id: ID:HOTCPC8567-53061-1307352319478-0:338,
address: /127.0.0.1:56674 | org.apache.activemq.broker.TransportConnection | ActiveMQ Transport:
tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,843 | DEBUG | localhost adding consumer: ID:HOTCPC8567-53061-1307352319478-0:338:-1:102
for destination: topic://ActiveMQ.Advisory.TempQueue,topic://ActiveMQ.Advisory.TempTopic |
org.apache.activemq.broker.region.AbstractRegion | ActiveMQ Transport: tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,846 | DEBUG | XA Transaction new/begin : XID:4871251:c51600003f724564484f54435043383536372c7365727665722c5033373030:484f54435043383536372c7365727665722c50333730302c00
| org.apache.activemq.transaction.XATransaction | ActiveMQ Transport: tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,849 | DEBUG | Main:memory:topic://createBookingTopic:memory: usage
change from: 9% of available memory, to: 10% of available memory | org.apache.activemq.usage.Usage
| ActiveMQ Transport: tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,852 | DEBUG | XA Transaction rollback: XID:4871251:c51600003f724564484f54435043383536372c7365727665722c5033373030:484f54435043383536372c7365727665722c50333730302c00
| org.apache.activemq.transaction.XATransaction | ActiveMQ Transport: tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,884 | DEBUG | localhost removing consumer: ID:HOTCPC8567-53061-1307352319478-0:338:-1:102
for destination: topic://ActiveMQ.Advisory.TempQueue,topic://ActiveMQ.Advisory.TempTopic |
org.apache.activemq.broker.region.AbstractRegion | ActiveMQ Transport: tcp:///127.0.0.1:56674
> 2011-06-06 11:50:06,885 | DEBUG | remove connection id: ID:HOTCPC8567-53061-1307352319478-0:338
| org.apache.activemq.broker.TransportConnection | ActiveMQ Transport: tcp:///127.0.0.1:56674
> So no obvious issue in ActiveMQ. Also, this does not happen when we use a queue and the
transaction is rolled back.
> This is a serious problem for us as we are needing to restart activeMQ on a daily basis
to keep the production servers running.

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