You may need to add this to jbpm.cfg | <object class="org.jbpm.pvm.internal.id.DatabaseDbidGenerator"> | <field name="commandService"><ref object="txRequiredCommandService" /></field> | </object> | | <object class="org.jbpm.pvm.internal.id.DatabaseIdComposer" init="eager" /> | | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4265132#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...