hi,I'm also trying BPEL extension for JBPM I also install jBPM-BPEL on jboss-4.2.2.GA but facing error 1.trying to register already registered mbean jboss.jca:service=LocalTxCM,name=JbpmDS 2.nullpointer exception fail to start jboss.esb.service.jbpmService can you tell me[step by step] how you install Jbpm-BPEL on jboss 4.2.2.GA thanx with regards amit View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4232839#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...