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From "Hariharan (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-3545) JmsTemplate does not close connections even with PooledConnectionFactory
Date Sat, 15 Oct 2011 09:48:11 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hariharan updated AMQ-3545:
---------------------------

    Summary: JmsTemplate does not close connections even with PooledConnectionFactory  (was:
JmstTemplate does not close connections even with PooledConnectionFactory)
    
> JmsTemplate does not close connections even with PooledConnectionFactory
> ------------------------------------------------------------------------
>
>                 Key: AMQ-3545
>                 URL: https://issues.apache.org/jira/browse/AMQ-3545
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>            Reporter: Hariharan
>              Labels: activemq
>
> Hi,
> We use AMQ broker 5.5 and Spring 3.0 for configuring connection factory and other stuffs.

> The connection factory we are using is PooledConnectionFactory and a part of my config
looks like this:
> {code:xml}
> <bean id="jmsFactory" class="org.apache.activemq.pool.PooledConnectionFactory" destroy-method="stop">
>  <property name="connectionFactory">
>    <bean class="org.apache.activemq.ActiveMQConnectionFactory">
>       <property name="brokerURL" value="some_url"/>
>    </bean>
>  </property>
> </bean>
> <!-- Spring JMS Template -->
> <bean id="jmsTemplate"
> class="org.springframework.jms.core.JmsTemplate">
>  <property name="connectionFactory">
>   <ref local="jmsFactory" />
>  </property>
>  <property name="explicitQosEnabled" value="true"/>
>  <property name="timeToLive" value="86400000"/>
> </bean>
> {code}
> A few days back our broker crashed and kept restarting with this error:
> # java.lang.OutOfMemoryError: requested 
> 369384 bytes for Chunk::new. Out of swap space? 
> At that point of time, from jconsole, I could not find anything unusual with the broker,
except that one of our client application
> which talks with the server (via broker) by sending and listening to messages every *minute*
had created ~3000 connections (saw it on jconsole).
> Once we had shut it down, everything was back to normal. 
> So, to avoid this I tried closing the connection in finally block doing something like
this.
> {code:xml}
> try {
>  connection = myJmsTemplate.getConnectionFactory().createConnection();
>  session = connection.createSession(false, 1);
>  String messageSelector = "JMSCorrelationID='" + correlationId + "'";
>  responseConsumer = session.createConsumer(receiveDestination, messageSelector);
>  LOG.info("Starting connection");
>  connection.start();
>  myJmsTemplate.send(sendDestination, new SimpleTextMessageCreator(
>    message, receiveDestination, correlationId));
>  LOG.info("Waiting for message with " + messageSelector + " for " + DEFAULT_TIMEOUT +
" ms");
>  TextMessage responseMessage = (TextMessage) responseConsumer.receive(DEFAULT_TIMEOUT);
> }
> catch (Someexception e) {do something}
> finally {
>  responseConsumer.close();
>  session.close();
>  connection.close();
> }
> {code}
> But even then I can see the connections floating around in jconsole and are only lost
if the client app which publishes the messages is brought down.
> Can someone please help me understand what's happening here and how I can close the connections
after each pub sub cycle.
> Thank you in advance,
> Hari

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