Im not sure about the hilo part, but for oracle, we created and used teh OracleDS instead: Making the JBPM Web Application use our Oracle DataSource The first is ${JBOSS_HOME}/server/jbpm/deploy/jbpm.sar/META-INF/jboss-service.xml, which is used to control what DataSource the JBPM web application uses for its discrete JDBC activity. We want this file to look like this: | <?xml version="1.0" encoding="UTF-8"?> | <server> | <mbean code="org.jbpm.db.jmx.JbpmService" | name="jboss.jbpm:name=DefaultJbpm,service=JbpmService" | description="Default jBPM Service"> | <attribute name="JndiName">java:/jbpm/JbpmConfiguration</attribute> | <depends>jboss.jca:service=DataSourceBinding,name=OracleDS</depends> | </mbean> | </server> | (this is taken from teh Oracle JBMP wiki page I sent you, which has some more instructions as well) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958489#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...