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From "Lukasz Zielinski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-2225) PooledConnection obtaind from PooledConnectionFactory overwrites ExceptionListener
Date Tue, 05 Jul 2011 08:01:30 GMT

    [ https://issues.apache.org/jira/browse/AMQ-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059711#comment-13059711
] 

Lukasz Zielinski commented on AMQ-2225:
---------------------------------------

Issue here is that regular CF and PCF can not be used interchangeably when ExceptionListeners
are involved.

> PooledConnection obtaind from PooledConnectionFactory overwrites ExceptionListener
> ----------------------------------------------------------------------------------
>
>                 Key: AMQ-2225
>                 URL: https://issues.apache.org/jira/browse/AMQ-2225
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>            Reporter: Lukasz Zielinski
>            Priority: Minor
>
> When multiple connections are obtained from PooledConnectionFactory and ExceptionListeners
are set for them only one ExceptionListener will be notified about connection problems. Issue
is caused by overwriting listeners in shared connection.
> Test case based on http://svn.apache.org/viewvc/activemq/trunk/activemq-pool/src/test/java/org/apache/activemq/pool/PooledTopicPublisherTest.java?view=markup
> public void testSetGetExceptionListener2() throws Exception {
>         PooledConnectionFactory pcf = new PooledConnectionFactory();
>         pcf.setConnectionFactory(new ActiveMQConnectionFactory("vm://test"));
>         TopicConnection conn1 = (TopicConnection) pcf.createConnection();
>         ExceptionListener list1 = new ExceptionListener() {
>             public void onException(JMSException exception) {
>             }
>         };
>         conn1.setExceptionListener(list1);
>         TopicConnection conn2 = (TopicConnection) pcf.createConnection();
>         ExceptionListener list2 = new ExceptionListener() {
>             public void onException(JMSException exception) {
>             }
>         };
>         conn2.setExceptionListener(list2);
>         assertEquals(list1, conn1.getExceptionListener());//this assertion will fail
>         assertEquals(list2, conn2.getExceptionListener());//this assertion will pass
>         assertEquals(list2, conn1.getExceptionListener());// THE PROBLEM - this will
pass
> } 

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