[jboss-user] [jBPM] - how to create a project for taskservice ?

宇平 王 do-not-reply at jboss.com
Sun Mar 18 23:51:20 EDT 2012


宇平 王 [https://community.jboss.org/people/wypcy] created the discussion

"how to create a project for taskservice ?"

To view the discussion, visit: https://community.jboss.org/message/724572#724572

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When i create a jbpm project with eclipse,and creat taseservice code in main method, and all the packages has include in the project.But when run the project , a error occured at the red line, like this:
Exception in thread "main" java.lang.IllegalArgumentException: Named query not found: UnescalatedDeadlines
          at org.hibernate.ejb.AbstractEntityManagerImpl.createNamedQuery(AbstractEntityManagerImpl.java:108)
          at org.jbpm.task.service.TaskService.<init>(TaskService.java:109)
          at org.jbpm.task.service.TaskService.<init>(TaskService.java:92)
          at org.jbpm.DemoTaskService.main(DemoTaskService.java:93)


the mian method code like this:

|      | EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.task"); |
|     | 
 |
|     | TaskService taskService = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener()); |


|     | MinaTaskServer server = new MinaTaskServer( taskService ); |


|     | Thread thread = new Thread( server ); |


|     | thread.start(); |


the persistence.xml like this:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<persistence version="1.0" 
             xsi:schemaLocation=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence
                                  http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd
                                  http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm  http://java.sun.com/xml/ns/persistence/orm_1_0.xsd http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
             xmlns:orm=" http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm"
             xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"
             xmlns=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence">
  <persistence-unit name="org.jbpm.task">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <class>org.jbpm.task.Attachment</class>
    <class>org.jbpm.task.Content</class>
    <class>org.jbpm.task.BooleanExpression</class>
    <class>org.jbpm.task.Comment</class>
    <class>org.jbpm.task.Deadline</class>
    <class>org.jbpm.task.Comment</class>
    <class>org.jbpm.task.Delegation</class>
    <class>org.jbpm.task.Escalation</class>
    <class>org.jbpm.task.Group</class>
    <class>org.jbpm.task.I18NText</class>
    <class>org.jbpm.task.Notification</class>
    <class>org.jbpm.task.EmailNotification</class>
    <class>org.jbpm.task.EmailNotificationHeader</class>
    <class>org.jbpm.task.PeopleAssignments</class>
    <class>org.jbpm.task.Reassignment</class>
    <class>org.jbpm.task.Status</class>
    <class>org.jbpm.task.Task</class>
    <class>org.jbpm.task.TaskData</class>
    <class>org.jbpm.task.SubTasksStrategy</class>
    <class>org.jbpm.task.OnParentAbortAllSubTasksEndStrategy</class>
    <class>org.jbpm.task.OnAllSubTasksEndParentEndStrategy</class>
    <class>org.jbpm.task.User</class>
    <properties>
      <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
      <property name="hibernate.connection.driver_class" value="org.gjt.mm.mysql.Driver"/>
      <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/jbpm5"/>
      <property name="hibernate.connection.username" value="root"/>
      <property name="hibernate.connection.password" value="root"/>
      <property name="hibernate.connection.autocommit" value="true" />
      <property name="hibernate.max_fetch_depth" value="3"/>
      <property name="hibernate.hbm2ddl.auto" value="create" />
      <property name="hibernate.show_sql" value="true" />
    </properties>
  </persistence-unit>
</persistence>
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