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From "james strachan (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-696) Client: XXX already connected exception when connection started after consumers added
Date Mon, 01 May 2006 09:33:37 GMT
     [ https://issues.apache.org/activemq/browse/AMQ-696?page=all ]
     
james strachan resolved AMQ-696:
--------------------------------

    Resolution: Cannot Reproduce

I've added your test case to SVN

https://svn.apache.org/repos/asf/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/bugs/CraigsBugTest.java

and unfortunately it works perfectly.

I suspect the bug is caused by Spring reusing a clientID on 2 JMS connections? Can you get
a JUnit test case to fail by itself? I suspect some other node in the network is causing the
problem, not this test case

> Client: XXX already connected exception when connection started after consumers added
> -------------------------------------------------------------------------------------
>
>          Key: AMQ-696
>          URL: https://issues.apache.org/activemq/browse/AMQ-696
>      Project: ActiveMQ
>         Type: Bug

>   Components: Broker
>     Versions: 4.0 RC 2, 4.0 RC3
>  Environment: WinXP
>     Reporter: Craig Day

>
>
> While using the new Spring-2.0 DefaultMessageListenerContainer I can reliably reproduce
the following exception on the broker side which usually results in a hang on the client side:
>  
> The broker logs the following exception:
>  
> INFO  Service                        - Sync error occurred: javax.jms.InvalidClientIDException:
Broker: localhost - Client: ID:inspiron-1410-114619274
> 7453-2:1 already connected
> javax.jms.InvalidClientIDException: Broker: localhost - Client: ID:inspiron-1410-1146192747453-2:1
already connected
>         at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:154)
>         at org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:65)
>         at org.apache.activemq.advisory.AdvisoryBroker.addConnection(AdvisoryBroker.java:69)
>         at org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:65)
>         at org.apache.activemq.broker.MutableBrokerFilter.addConnection(MutableBrokerFilter.java:77)
>         at org.apache.activemq.broker.AbstractConnection.processAddConnection(AbstractConnection.java:500)
>         at org.apache.activemq.broker.jmx.ManagedTransportConnection.processAddConnection(ManagedTransportConnection.java:82)
>         at org.apache.activemq.command.ConnectionInfo.visit(ConnectionInfo.java:106)
>         at org.apache.activemq.broker.AbstractConnection.service(AbstractConnection.java:196)
>         at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:62)
>         at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:93)
>         at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:70)
>         at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:114)
>         at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:122)
>         at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:87)
>         at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:139)
>         at java.lang.Thread.run(Thread.java:595)
>  
> I have extrapolated the sequence of calls that DefaultMessageListenerContainer is making
and managed to produce a simple test case that reproduces the problem:
>  
> import junit.framework.TestCase;
> import org.apache.activemq.ActiveMQConnectionFactory;
> import org.apache.activemq.command.ActiveMQQueue;
>  
> import javax.jms.*;
>  
> public class TestActiveMQ extends TestCase {
>  
>     public void testConnectionFactory() throws Exception {
>         final ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory("tcp://localhost:61616");
>         final ActiveMQQueue queue = new ActiveMQQueue("testqueue");
>         final Connection conn = cf.createConnection();
>  
>         Runnable r = new Runnable() {
>             public void run() {
>                 try {
>                     Session session = conn.createSession(false, 1);
>                     MessageConsumer consumer = session.createConsumer(queue, null);
>                     Message msg = consumer.receive(1000);
>                 } catch (JMSException e) {
>                     e.printStackTrace();
>                 }
>             }
>         };
>         new Thread(r).start();
>         conn.start();
>  
>         try {
>             synchronized (this) {
>                 wait(3000);
>             }
>         } catch (InterruptedException e) {
>             e.printStackTrace();
>         }
>     }
> }
>  
> Let us know if you need anymore information. Dont want to scrub ActiveMQ from my list
of candidates If I can help it.
>  
> cheers
> craig
>  

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