Mailing-List: contact dev-help@activemq.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@activemq.apache.org
Message-ID: <29455463.931274261305245.JavaMail.jira@thor>
Date: Wed, 19 May 2010 05:28:25 -0400 (EDT)
From: "Martin Carpella (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-2556) Memory leaks with XA Transactions
 (case of read-only transactions)
In-Reply-To: <917186682.821262613735393.JavaMail.jira@brutus.apache.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/activemq/browse/AMQ-2556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59443#action_59443 ] 

Martin Carpella commented on AMQ-2556:
--------------------------------------

Is the fix-version 5.4.0 correct, i.e. fix is not included in 5.3.2?

> Memory leaks with XA Transactions (case of read-only transactions)
> ------------------------------------------------------------------
>
>                 Key: AMQ-2556
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2556
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker, JMS client
>    Affects Versions: 5.1.0, 5.2.0, 5.3.0
>         Environment: ActiveMQ 5.3.0
> Atomikos Transactions Essentials 3.5.8
> Spring 2.5.6
> Oracle 11g (thin driver version 11.1.0.7.0)
>            Reporter: Daniel Santos
>            Assignee: Gary Tully
>             Fix For: 5.4.0
>
>         Attachments: XAConsumer.zip
>
>
> Some transaction related information are not released in case of read-only transactions (where not messages have been consumed or produced) by broker and client, that causes an OutOfMemory after running some time.
> Fields that hold these "transaction related information" are (at least) :
> - {{org.apache.activemq.state.ConnectionState.transactions}}
> - {{org.apache.activemq.TransactionContext.ENDED_XA_TRANSACTION_CONTEXTS}}
> After serach, it seems that the case of read-only XA transactions (that terminates at prepare time) has been missed in some code like :
> - {{org.apache.activemq.broker.TransportConnection}} that puts TransactionState in {{org.apache.activemq.state.ConnectionState.transactions}} at the beginning, release them at commit (or rollback) time *but not at prepare time where result is {{XAResource.XA_RDONLY}}*
> - {{org.apache.activemq.TransactionContext}} that do the same mistake via ENDED_XA_TRANSACTION_CONTEXTS in prepare()
> _Note that the case of read-only transactions seems correctly done by {{org.apache.activemq.transaction.XATransaction}} (very interesting comment here http://fisheye6.atlassian.com/browse/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transaction/XATransaction.java?r=809940#l175)_

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.