Hi, I have created message queue in JMS and able to see the message queue in jms console. But when trying to send a message from client system, the following exceptions throwing at client system console, -------------------------------------------------------------------------------------------------------------------------------------------------- [java] 16:00:25,958 DEBUG [DS_JMS_Server]DS_JMS_Server:hostStart(): connectionFactory Name :UIL2ConnectionFactory [java] 16:00:26,114 DEBUG [SpyConnectionFactoryObjectFactory] Extracting SpyConnectionFactory from reference [java] javax.naming.NamingException: Invalid reference. Error: org.jboss.mq.il.uil2.UILServerIL (no security manager: RMI class loader disabled) [java] at org.jboss.mq.referenceable.ObjectRefAddr.extractObjectRefFrom(ObjectRefAddr.java:82) [java] at org.jboss.mq.referenceable.SpyConnectionFactoryObjectFactory.getObjectInstance(SpyConnectionFactoryObjectFactory.java:48) [java] at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:301) [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572) [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:443) [java] at javax.naming.InitialContext.lookup(InitialContext.java:347) [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:556) [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:443) -------------------------------------------------------------------------------------------------------------------------------------------------- Following is Confgiuration details: OS :Windows XP JBoss: jboss-4.0.0 JDK:j2sdk1.4.2_05 Could you please advice how to resolve the above expection. Thanks in advance Ravi View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4003265#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...