[jboss-user] [JBoss Messaging] - HornetQ can't resolve class of ObjectMessage payload.

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