franco80 [https://community.jboss.org/people/franco80] created the discussion "JBPM 5.3 many process instance in jbpm-console" To view the discussion, visit: https://community.jboss.org/message/776713#776713 -------------------------------------------------------------- Hello when process is creating a see in jbpm-console many instance with the same id and when I click on one of them I recived: 16:29:55,126 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/gwt-console-server].[Resteasy]] (http-localhost-127.0.0.1-8080-5) Servlet.service() for servlet Resteasy threw exception: org.jboss.resteasy.spi.UnhandledException: javax.persistence.NonUniqueResultException: result returns more than one elements my code is :                                     ut = (UserTransaction) new InitialContext()                                     .lookup("java:comp/UserTransaction");                                     ut.begin();                                     StatefulKnowledgeSession session = JbpmAPIUtil.getSession();                                     JPAWorkingMemoryDbLogger logger = new JPAWorkingMemoryDbLogger(session);                                     Map<String, Object> paramsOut = new HashMap<String, Object>();                                     paramsOut.put(EProcessParams.USER_ID.getValue(), ...);                                     ProcessInstance pi = session.startProcess(                                                             EProcessParams.PROCESS_ID.getValue(), paramsOut);                                     Thread.sleep(3000);                                     TaskSummary task = JbpmAPIUtil.startTask(pi.getId(), user,                                                             Egroup);                                     Map<String, Object> params = new HashMap<String, Object>();                                     ...                                     JbpmAPIUtil.completeTask(pi.getId(), task.getId(), user,                                                 group, nextUser,                                                 nextGroup, params);                                     ut.commit();                                     logger.dispose(); why may be couse ? regards -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/776713#776713] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]