y lab [https://community.jboss.org/people/yjboss] created the discussion "JBPM5 database empty" To view the discussion, visit: https://community.jboss.org/message/793208#793208 -------------------------------------------------------------- Hi, I use persistence jpa with my JBPM5 application. after starting a process, all  work fine but the database is empty , any idea ? here how i start my process      emf = Persistence.createEntityManagerFactory("org.jbpm.persistence.jpa");                         kbase = readKnowledgeBase();                         Environment env = KnowledgeBaseFactory.newEnvironment();                         env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);                         env.set(EnvironmentName.TRANSACTION_MANAGER,TransactionManagerServices.getTransactionManager());      session = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null,env);      session.startProcess("com.sample.bpmn.hello"); and my persitence.xml in PJ. Thanks for your helps -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/793208#793208] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]