Yes, you can until some jbpm4 issues are fixed (see JIRA), extend JtaTransaction and in the contructed set the userTransactionJndiName property to the java:comp one. Also created a new "CorrectedTransactionBinding" class which is the same as TransactionBinding in jbpm4 but which passes for the JtaTransaction the extended class above to the ObjectDescriptor then make a copy of the jbpm.wire.bindings.xml as such it is first in classpath (WEB-INF/classes f.e.) and change the regular TransactionBinding to your "CorrectedTransactionBinding". You would expect you could use jbpm.user.bindings.xml but that currently won't work :-( Its not the most optimal solution but at least is much better then changing the jbpm4 codebase each time after an upgrade. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4249588#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...