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 -------------------------------------------------------------- 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> -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/724572#724572] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]