how to create a project for taskservice ?
wypcy Mar 18, 2012 11:51 PMWhen 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/persistence_1_0.xsd
http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="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>