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From "Kjell Winblad (JIRA)" <j...@apache.org>
Subject [jira] Created: (CXF-3230) CXF over JMS leaks JMS resources when no replay queue is specified
Date Tue, 04 Jan 2011 18:08:47 GMT
CXF over JMS leaks JMS resources  when no replay queue is specified
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                 Key: CXF-3230
                 URL: https://issues.apache.org/jira/browse/CXF-3230
             Project: CXF
          Issue Type: Bug
          Components: Transports
    Affects Versions: 2.3.1
         Environment: Linux, ActiveMQ 5.4.2 and HornetQ 2.1.2
            Reporter: Kjell Winblad
            Priority: Blocker


This issue was found both when testing with ActiveMQ 5.4.2 and HornetQ 2.1.2 as JMS provider.
The JMS settings is  set in the WSDL file:

	<service name="TestJMS">
			<port binding="tns:TestBinding" name="Test">
			<address destinationStyle="queue" 
						jndiConnectionFactoryName="ConnectionFactory" 
						jndiDestinationName="dynamicQueues/messageDestination"
						xmlns="http://cxf.apache.org/transports/jms">
				<JMSNamingProperty name="java.naming.provider.url" value="tcp://localhost:61616?jms.watchTopicAdvisories=false"/>
				<JMSNamingProperty name="java.naming.factory.initial" value="org.apache.activemq.jndi.ActiveMQInitialContextFactory"/>
			</address>
		</port>
	</service>

The issue was found when performing a test with a server and a client both created with CXF.
The client has an infinite loop that performs a request on the server and waits for a response
before the next iteration is executed. After a couple of thousands  of request response iterations
have been performed the JMS provider starts to get very slow and ActiveMQ gets out of memory
if the test is run long enough. First I thought it was a configuration problem with the JMS
provider or a bug in ActiveMQ, but because the same problem exists both with HornetQ and several
configurations of ActiveMQ it seems like it is a problem with CXF. 

When monitoring ActiveMQ with jconsole it can be seen that when ActiveMQ is set to not use
a thread pool (-Dorg.apache.activemq.UseDedicatedTaskRunner=true), the number of threads grows
while the test is running and no threads seem to be deallocated. When a thread pool is used
the number of threads is quite constant but the amount of memory on the heap still grows.
No leak is observed when a response queue is specified with jndiReplyDestinationName. So when
a temporary queue should be used to send back the replay it seems like one replay queue is
created for every replay and they never get removed.

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