It finally works now with additionally adding the folder with my hibernate.cfg.xml to my classpath. | <target name="deploy.par" depends="create.par"> | <taskdef name="deploypar" | classname="org.jbpm.ant.DeployProcessTask"> | <classpath refid="compile.classpath" /> | <classpath refid="hibernate"/> | <classpath path="./lib/commons-collections-3.2.jar" /> | <classpath> | <pathelement path="jpdl/deployment" /> | </classpath> | <classpath path="${jboss.root.dir}/server/default/lib/cglib.jar" /> | <classpath path="${jboss.root.dir}/server/default/lib/antlr-2.7.6.jar" /> | </taskdef> | <deploypar process="jpdl/deployment/test.par" | jbpmCfg="jpdl/deployment/jbpm.cfg.xml" /> | </target> | Why had the DeployProcessTask to be changed? Updating documentation and adding an example ant task would really have been nice to have, at least... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4120147#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...