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how to create a project for taskservice ?
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created by <a href="https://community.jboss.org/people/wypcy">宇平 王</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/724572#724572">View the full discussion</a>
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<div class="jive-rendered-content"><p>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:</p><p>Exception in thread "main" java.lang.IllegalArgumentException: Named query not found: UnescalatedDeadlines</p><p>          at org.hibernate.ejb.AbstractEntityManagerImpl.createNamedQuery(AbstractEntityManagerImpl.java:108)</p><p>          at org.jbpm.task.service.TaskService.<init>(TaskService.java:109)</p><p>          at org.jbpm.task.service.TaskService.<init>(TaskService.java:92)</p><p>          at org.jbpm.DemoTaskService.main(DemoTaskService.java:93)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the mian method code like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";">    </td><td style=";">EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.task");</td></tr><tr><td style=";">   </td><td style=";"><br/></td></tr><tr><td style=";">   </td><td style=";"><span style="color: #ff0000;">TaskService taskService = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener());</span></td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";">   </td><td style=";">MinaTaskServer server = new MinaTaskServer( taskService );</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";">   </td><td style=";">Thread thread = new Thread( server );</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";">   </td><td style=";">thread.start();</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the persistence.xml like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8" standalone="yes"?></p><p><persistence version="1.0" </p><p><span>             xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a></p><p><span>                                 </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd</a></p><p><span>                                 </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/orm_1_0.xsd</a><span>"</span></p><p><span>             xmlns:orm="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</a><span>"</span></p><p><span>             xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span></p><p><span>             xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>"></span></p><p>  <persistence-unit name="org.jbpm.task"></p><p>    <provider>org.hibernate.ejb.HibernatePersistence</provider></p><p>    <class>org.jbpm.task.Attachment</class></p><p>    <class>org.jbpm.task.Content</class></p><p>    <class>org.jbpm.task.BooleanExpression</class></p><p>    <class>org.jbpm.task.Comment</class></p><p>    <class>org.jbpm.task.Deadline</class></p><p>    <class>org.jbpm.task.Comment</class></p><p>    <class>org.jbpm.task.Delegation</class></p><p>    <class>org.jbpm.task.Escalation</class></p><p>    <class>org.jbpm.task.Group</class></p><p>    <class>org.jbpm.task.I18NText</class></p><p>    <class>org.jbpm.task.Notification</class></p><p>    <class>org.jbpm.task.EmailNotification</class></p><p>    <class>org.jbpm.task.EmailNotificationHeader</class></p><p>    <class>org.jbpm.task.PeopleAssignments</class></p><p>    <class>org.jbpm.task.Reassignment</class></p><p>    <class>org.jbpm.task.Status</class></p><p>    <class>org.jbpm.task.Task</class></p><p>    <class>org.jbpm.task.TaskData</class></p><p>    <class>org.jbpm.task.SubTasksStrategy</class></p><p>    <class>org.jbpm.task.OnParentAbortAllSubTasksEndStrategy</class></p><p>    <class>org.jbpm.task.OnAllSubTasksEndParentEndStrategy</class></p><p>    <class>org.jbpm.task.User</class></p><p>    <properties></p><p>      <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/></p><p>      <property name="hibernate.connection.driver_class" value="org.gjt.mm.mysql.Driver"/></p><p>      <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/jbpm5"/></p><p>      <property name="hibernate.connection.username" value="root"/></p><p>      <property name="hibernate.connection.password" value="root"/></p><p>      <property name="hibernate.connection.autocommit" value="true" /></p><p>      <property name="hibernate.max_fetch_depth" value="3"/></p><p>      <property name="hibernate.hbm2ddl.auto" value="create" /></p><p>      <property name="hibernate.show_sql" value="true" /></p><p>    </properties></p><p>  </persistence-unit></p><p></persistence></p></div>
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