17:10:03,713 ERROR [stderr] (MSC service thread 1-2) Caused by: javax.naming.NameNotFoundException: unable to find a bound object at name 'java:jboss/datasources/jBPMDS'
Check your persistence.xml and also standalone.xml if they have the same JNDI name for your data source. Usually it's named 'java:jboss/datasources/jbpmDS'.