Deepak Singhvi [https://community.jboss.org/people/deepak.singhvi] created the discussion "problems in jbpm5 with db2 integration" To view the discussion, visit: https://community.jboss.org/message/756887#756887 -------------------------------------------------------------- *What i am doing:*             Trying to use DB2 with jbpm5 (5.3) *Problems:*      a. Some tables are not created ---> (mentioned below).      b. Exception when running the sample program (sample.bpmn from evaluation project)--->(mentioned below)    My war got deployed ( jbpm-gwt-console-server.war including other wars like designer.war, drools-guvnor.war,jbpm-form-builder.war, jbpm-gwt-console.war,jbpm-human-task-war.war) but i do not see    ProcessInstanceInfo, WorkItemInfo, SessionInfo, etc tables in db.    Following are the tables which are present in jbpm5 database   ATTACHMENT,BOOLEANEXPRESSION,DEADLINE,DELEGATION_DELEGATES,EMAIL_HEADER,ESCALATION,I18NTEXT,NOTIFICATION, NOTIFICATION_BAS,NOTIFICATION_EMAIL_HEADER, NOTIFICATION_RECIPIENTS,ORGANIZATIONALENTITY,PEOPLEASSIGNMENTS_BAS, PEOPLEASSIGNMENTS_EXCLOWNERS,PEOPLEASSIGNMENTS_POTOWNERS,PEOPLEASSIGNMENTS_RECIPIENTS,PEOPLEASSIGNMENTS_STAKEHOLDERS, REASSIGNMENT,REASSIGNMENT_POTENTIALOWNERS,SUBTASKSSTRATEGY,TASK,TASK_COMMENT   These are the table which are available in   Q.1 When does processInstaceInfo, etc table gets created?    Q.2 I get the error when i start sample program. *Error on console ( ProcessTest.java)* 0    30/08 09:30:02,395[main] ERROR workitem.wsht.GenericHTWorkItemHandler.executeWorkItem  - Thu Aug 30 09:30:02 GMT+05:30 2012: Error when creating task on task server for work item id 1. Error reported by task server: Command AddTaskRequest faild due to Operation failed. Please contact task server administrator. java.lang.RuntimeException: +Command AddTaskRequest faild due to Operation failed. Please contact task server administrator.+           at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:662)           at org.jbpm.task.service.hornetq.HornetQTaskServerHandler.messageReceived(HornetQTaskServerHandler.java:44)           at org.jbpm.task.service.hornetq.BaseHornetQTaskServer.run(BaseHornetQTaskServer.java:85)           at java.lang.Thread.run(Thread.java:619) Process started ... *Error in server.log of jboss7*   09:30:02,379 ERROR [stderr] (Thread-16) java.lang.RuntimeException: Operation failed   09:30:02,379 ERROR [stderr] (Thread-16)           at org.jbpm.task.service.TaskServiceSession.doOperationInTransaction(TaskServiceSession.java:994)   09:30:02,379 ERROR [stderr] (Thread-16)           at org.jbpm.task.service.TaskServiceSession.addTask(TaskServiceSession.java:186)   09:30:02,379 ERROR [stderr] (Thread-16)           at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:144)   09:30:02,379 ERROR [stderr] (Thread-16)           at org.jbpm.task.service.hornetq.HornetQTaskServerHandler.messageReceived(HornetQTaskServerHandler.java:44)   09:30:02,379 ERROR [stderr] (Thread-16)           at org.jbpm.task.service.hornetq.BaseHornetQTaskServer.run(BaseHornetQTaskServer.java:85)   09:30:02,379 ERROR [stderr] (Thread-16)           at java.lang.Thread.run(Thread.java:619)   09:30:02,379 ERROR [stderr] (Thread-16) Caused by: javax.persistence.PersistenceException: org.hibernate.HibernateException: The database returned no natively generated identity value   09:30:02,379 ERROR [stderr] (Thread-16)           at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:614) Deepak :) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/756887#756887] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]