Return-Path: 
 <users-return-10679-apmail-activemq-users-archive=activemq.apache.org@activemq.apache.org>
Delivered-To: apmail-activemq-users-archive@www.apache.org
Received: (qmail 24569 invoked from network); 18 Sep 2007 12:59:52 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2)
  by minotaur.apache.org with SMTP; 18 Sep 2007 12:59:52 -0000
Received: (qmail 24700 invoked by uid 500); 18 Sep 2007 12:59:44 -0000
Delivered-To: apmail-activemq-users-archive@activemq.apache.org
Received: (qmail 24671 invoked by uid 500); 18 Sep 2007 12:59:43 -0000
Mailing-List: contact users-help@activemq.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:users-help@activemq.apache.org>
List-Unsubscribe: <mailto:users-unsubscribe@activemq.apache.org>
List-Post: <mailto:users@activemq.apache.org>
List-Id: <users.activemq.apache.org>
Reply-To: users@activemq.apache.org
Delivered-To: mailing list users@activemq.apache.org
Received: (qmail 24662 invoked by uid 99); 18 Sep 2007 12:59:43 -0000
Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Sep 2007 05:59:43 -0700
X-ASF-Spam-Status: No, hits=1.2 required=10.0
	tests=SPF_NEUTRAL
X-Spam-Check-By: apache.org
Received-SPF: neutral (athena.apache.org: local policy)
Received: from [144.140.83.156] (HELO omta04ps.mx.bigpond.com)
 (144.140.83.156)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Sep 2007 12:59:41 +0000
Received: from oaamta02ps.mx.bigpond.com ([124.176.225.54])
          by omta04ps.mx.bigpond.com with ESMTP
          id
 <20070918125917.HTES17941.omta04ps.mx.bigpond.com@oaamta02ps.mx.bigpond.com>
          for <users@activemq.apache.org>; Tue, 18 Sep 2007 12:59:17 +0000
Received: from [127.0.0.1] (really [124.176.225.54])
          by oaamta02ps.mx.bigpond.com with ESMTP
          id <20070918125917.LDUS5386.oaamta02ps.mx.bigpond.com@[127.0.0.1]>
          for <users@activemq.apache.org>; Tue, 18 Sep 2007 12:59:17 +0000
Message-ID: <46EFCBE3.4020104@comware.com.au>
Date: Tue, 18 Sep 2007 23:00:19 +1000
From: Jim Alateras <jima@comware.com.au>
Reply-To: jima@comware.com.au
User-Agent: Thunderbird 2.0.0.6 (Windows/20070728)
MIME-Version: 1.0
To: users@activemq.apache.org
Subject: Strangeness with MemoryPersistenceAdapter
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Virus-Checked: Checked by ClamAV on apache.org

I seem to have stumbled across a memory leak using an embeded broker 
with MemoryPersistenceAdapter. I'm not sure whether it is the culprit 
but was wondering whether anyone else has come across a similar issue.

Here is the relevant part of the config.

     <!-- The activemq broker -->
     <bean id="broker" class="org.apache.activemq.xbean.XBeanBrokerService">
         <property name="brokerName" value="localhost" />
         <property name="persistenceAdapter" ref="memPersistenceAdaptor"/>
         <property name="deleteAllMessagesOnStartup" value="true" />
     </bean>

     <!-- Memory adaptor -->
     <bean id="memPersistenceAdaptor" 
class="org.apache.activemq.store.memory.MemoryPersistenceAdapter">
     </bean>

I am using queues and was wondering whether messages are deleted once 
they have been acknowledged?

Using JConsole I can see a heap of advisory topics created, on for each 
queue i am using. They are in the form of 
ActiveMQ.Advisory.Consumer.Queue.xxxxxx. What are they used for?  When I 
refresh the console i see the enqueue count increase.

cheers
</jima>