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HornetQ can't resolve class of ObjectMessage payload.
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created by <a href="http://community.jboss.org/people/kjh21">Kevin Healy</a> in <i>JBoss Messaging</i> - <a href="http://community.jboss.org/message/599052#599052">View the full discussion</a>
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<div class="jive-rendered-content"><p>Following is my environment</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>JBossAS [6.0.0.Final "Neo"]</p><p>HornetQ Server version 2.1.2.Final (Colmeia, 120)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm getting the same error described here </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="http://community.jboss.org/message/517604#517604" target="_blank">http://community.jboss.org/message/517604#517604</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and here </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="http://community.jboss.org/thread/162024" target="_blank">http://community.jboss.org/thread/162024</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Specifically, HornetQ is unable to resolve the class of an object that serves as the payload of an ObjectMessage.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The exception and stack trace are as follows:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>477 SEVERE [toplevel.services.push.ProxyMessageListener] Caught Exception processing incoming message:  javax.jms.JMSException: toplevel.services.heartbeat.Heartbeat</p><p>01:18:36,477 ERROR [STDERR] javax.jms.JMSException: toplevel.services.heartbeat.Heartbeat</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,477 ERROR [STDERR]     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,477 ERROR [STDERR]     at java.security.AccessController.doPrivileged(Native Method)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,477 ERROR [STDERR]     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,477 ERROR [STDERR]     at java.lang.ClassLoader.loadClass(ClassLoader.java:307)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.Class.forName0(Native Method)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.Class.forName(Class.java:247)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:284)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1152)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:886)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.jboss.classloader.spi.base.BaseClassLoader.doLoadClass(BaseClassLoader.java:505)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:450)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.Class.forName0(Native Method)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.Class.forName(Class.java:247)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:603)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.utils.ObjectInputStreamWithClassLoader.resolveClass(ObjectInputStreamWithClassLoader.java:69)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1574)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.jms.client.HornetQObjectMessage.getObject(HornetQObjectMessage.java:158)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at gov.dhs.st.bordernet.services.push.ProxyMessageListener.onMessage(ProxyMessageListener.java:71)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.jms.client.JMSMessageListenerWrapper.onMessage(JMSMessageListenerWrapper.java:91)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.core.client.impl.ClientConsumerImpl.callOnMessage(ClientConsumerImpl.java:822)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.core.client.impl.ClientConsumerImpl.access$100(ClientConsumerImpl.java:46)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.core.client.impl.ClientConsumerImpl$Runner.run(ClientConsumerImpl.java:940)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at org.hornetq.utils.OrderedExecutorFactory$OrderedExecutor$1.run(OrderedExecutorFactory.java:100)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>01:18:36,493 ERROR [STDERR]     at java.lang.Thread.run(Thread.java:662)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HornetQ is able to resolve the class of an ObjectMessage when my receiving client is an MDB but not when it is a client MessageListener that I have deployed as part of a JBoss system service.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Following is a representative view of the package structure of my deployment</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>my.ear</p><p> |</p><p> |</p><p> |--------> payload-objects.jar</p><p> |    |</p><p> |    |--------> class(es) used as payload of ObjectMessage located here (and below.)</p><p> |</p><p> |--------> my-ejb.jar</p><p> |    |</p><p> |    |--------> my-service.xml</p><p> |    |</p><p> |    |--------> toplevel</p><p> |    |    |</p><p> |    |    |--------> mdb</p><p> |    |    |     |</p><p> |    |    |     |--------> MDB's located here (and below.)  <strong>HornetQ references to classes in payload-objects.jar resolve fine.</strong></p><p> |    |    |</p><p> |    |    |--------> services</p><p> |    |          |</p><p> |    |          |--------> Other MessageListeners located here (and below.) <strong>HornetQ references to classes in payload-objects.jar fail!</strong></p><p> |</p><p> |--------> my-war.war</p><p>      |</p><p>      |--------> WEB-INF</p><p>           |</p><p>           |--------> classes</p><p>           |    |</p><p>           |    |--------> no HornetQ MessageListeners here (or below) but other references to classes in payload-objects.jar here (and below) resolve fine.</p><p>           |</p><p>           |--------> lib</p><p>                |</p><p>                |--------> payload-objects.jar</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please advise.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Kevin H.</p></div>
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