Chris Melas [https://community.jboss.org/people/melc] created the discussion "jbpm 5.3 - groups" To view the discussion, visit: https://community.jboss.org/message/738279#738279 -------------------------------------------------------------- Hello, I've noticed in 3 different computer systems (centos, win xp, win vista) that when creating a process with a human task that only has a groupId specified (i.e. https://community.jboss.org/servlet/JiveServlet/showImage/2-738279-18646/... https://community.jboss.org/servlet/JiveServlet/downloadImage/2-738279-18... ), the following exception is thrown when reaching the point of the human task. *6:01:28,031 ERROR [stderr] (Thread-13) java.lang.IllegalArgumentException: org.hibernate.QueryParameterException: could not locate named parameter [userId]* 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.ejb.QueryImpl.setParameter(QueryImpl.java:206) *16:01:28,031 ERROR [stderr] (Thread-13)           at org.jbpm.task.service.TaskServiceSession.getTasksAssignedAsPotentialOwnerByStatusByGroup(TaskServiceSession.java:1011)* 16:01:28,031 ERROR [stderr] (Thread-13)           at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:356) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.jbpm.task.service.hornetq.HornetQTaskServerHandler.messageReceived(HornetQTaskServerHandler.java:44) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.jbpm.task.service.hornetq.BaseHornetQTaskServer.run(BaseHornetQTaskServer.java:85) 16:01:28,031 ERROR [stderr] (Thread-13)           at java.lang.Thread.run(Thread.java:662) 16:01:28,031 ERROR [stderr] (Thread-13) Caused by: org.hibernate.QueryParameterException: could not locate named parameter [userId] 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.engine.query.ParameterMetadata.getNamedParameterDescriptor(ParameterMetadata.java:99) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.engine.query.ParameterMetadata.getNamedParameterExpectedType(ParameterMetadata.java:105) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.impl.AbstractQueryImpl.determineType(AbstractQueryImpl.java:437) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.impl.AbstractQueryImpl.setParameter(AbstractQueryImpl.java:407) 16:01:28,031 ERROR [stderr] (Thread-13)           at org.hibernate.ejb.QueryImpl.setParameter(QueryImpl.java:201) 16:01:28,031 ERROR [stderr] (Thread-13)           ... 5 more 16:01:28,031 ERROR [stderr] (Thread-33) Exception in thread "Thread-33" java.lang.RuntimeException: Client Exception with class class org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1 using port 5445 16:01:28,046 ERROR [stderr] (Thread-33)           at org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1.run(HornetQTaskClientConnector.java:134) 16:01:28,046 ERROR [stderr] (Thread-33)           at java.lang.Thread.run(Thread.java:662) 16:01:28,046 ERROR [stderr] (Thread-33) Caused by: java.lang.NullPointerException 16:01:28,046 ERROR [stderr] (Thread-33)           at org.jbpm.task.service.TaskClientHandler.messageReceived(TaskClientHandler.java:62) 16:01:28,046 ERROR [stderr] (Thread-33)           at org.jbpm.task.service.hornetq.HornetQTaskClientHandler.messageReceived(HornetQTaskClientHandler.java:56) 16:01:28,046 ERROR [stderr] (Thread-33)           at org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1.run(HornetQTaskClientConnector.java:120) 16:01:28,046 ERROR [stderr] (Thread-33)           ... 1 more 16:01:48,031 ERROR [stderr] (http-localhost-127.0.0.1-8080-3) java.lang.RuntimeException: Timeout : unable to retrieve results 16:01:48,031 ERROR [stderr] (http-localhost-127.0.0.1-8080-3)           at org.jbpm.task.service.responsehandlers.BlockingTaskSummaryResponseHandler.getResults(BlockingTaskSummaryResponseHandler.java:41) 16:01:48,031 ERROR [stderr] (http-localhost-127.0.0.1-8080-3)           at ............... ............... By checking out the code of *org.jbpm.task.service.**TaskServiceSession* at line *1011* a named query is called as follows, Query query = tpm.createQuery("TasksAssignedAsPotentialOwnerByStatusByGroup")                                          .setParameter("userId", userId)                                          .setParameter("groupIds", groupIds)                                          .setParameter("language", language)                                          .setParameter("status", status); However as seen in Taskorm.xml inside jbpm-human-task-core-5.3.0.Final.jar/META-INF, indeed the named query has no userId parameter +<named-query name="TasksAssignedAsPotentialOwnerByStatusByGroup">+ +          <query>+ +select+ +     new org.jbpm.task.query.TaskSummary(+ +     t.id,+ +     t.taskData.processInstanceId,+ +     name.text,+ +     subject.text,+ +     description.text,+ +     t.taskData.status,+ +     t.priority,+ +     t.taskData.skipable,+ +     t.taskData.actualOwner,+ +     t.taskData.createdBy,+ +     t.taskData.createdOn,+ +     t.taskData.activationTime,+ +     t.taskData.expirationTime,+ +     t.taskData.processId,+ +     t.taskData.processSessionId)+ +from+ +    Task t+ +    left join t.taskData.createdBy+ +    left join t.taskData.actualOwner+ +    left join t.subjects as subject+ +    left join t.descriptions as description+ +    left join t.names as name,+ +    OrganizationalEntity potentialOwners+ +where+ +    t.archived = 0 and+ +    potentialOwners.id = :groupId and+ +    potentialOwners in elements ( t.peopleAssignments.potentialOwners  )  and+ +    (+ +    name.language = :language+ +    or t.names.size = 0+ +    ) and+ +    (+ +    subject.language = :language+ +    or t.subjects.size = 0+ +    ) and+ +    (+ +    description.language = :language+ +    or t.descriptions.size = 0+ +    ) and+ +    t.taskData.status in (:status) and+ +    t.taskData.expirationTime is null+ +          </query>+ +          <!-- hint name="org.hibernate.timeout" value="200"/ -->+ +      </named-query>+ Is this the case or am i missing something?? 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