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Error creating the dlq connection exception when deploying EJB3 MDB
If you deploy an EJB3 Message-Driven Bean (MDB) for use with a co-located messaging service (in same application server as the EJB), you might encounter a 'Error creating dlq connection' exception, such as:
14:10:19,400 WARN [MDB] JMS provider failure detected: javax.jms.JMSException: Error creating the dlq connection: null at org.jboss.ejb3.mdb.DLQHandler.createService(DLQHandler.java:153) at org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:260) at org.jboss.system.ServiceMBeanSupport.create(ServiceMBeanSupport.java:188)
If this happens, check the EJB jar file and make sure that it does not contain a
The root cause of this problem is a "No ClassLoader found for: javax.jms.Queue" exception.
See also http://www.jboss.com/index.html?module=bb&op=viewtopic&t=8092&start=0 if you only see this error when your messaging server is on Unix platform but not on Windows. You might need to change /etc/hosts settings to: