Jiri Svitak [https://community.jboss.org/people/jsvitak] created the discussion "Re: ERROR deploying a jBPM-Web-Application" To view the discussion, visit: https://community.jboss.org/message/801369#801369 -------------------------------------------------------------- Hello, the problem message is: Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.persistenceunit."WebApplication2.war#org.jbpm.persistence.jpa" is already registered You already have one application deployed, which uses persistence unit org.jbpm.persistence.jpa. Try to run your application in container alone and make sure that you have there only one persistence.xml with one such persistence unit. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/801369#801369] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]