Re: [rules-users] Exception when use Human Task

I got an exception when using Human Task ,caused by the following code: ===============code=========== EntityManagerFactory emf = Persistence.createEntityManagerFactory("aaaa"); TaskService taskService = new TaskService(emf,SystemEventListenerFactory.getSystemEventListener()); ===============code end======= the error info in the Eclipse's Console llike this: ===========error info===== 严重: Unsuccessful: create table Notification_EmailNotificationHeader (Notification_id numeric(19,0) not null, emailHeaders_id numeric(19,0) not null, mapkey varchar(255) null, primary key (Notification_id, mapkey), unique (emailHeaders_id)) 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport create 严重: 无法在表 'Notification_EmailNotificationHeader' 中可为 Null 的列上定义 PRIMARY KEY 约束。 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport create 严重: Unsuccessful: alter table Notification_EmailNotificationHeader add constraint FK92169CC0379F97EA foreign key (emailHeaders_id) references EmailNotificationHeader 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport create 严重: 找不到对象 "Notification_EmailNotificationHeader"，因为它不存在或者您没有所需的权限。 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport create 严重: Unsuccessful: alter table Notification_EmailNotificationHeader add constraint FK92169CC01B1E66DC foreign key (Notification_id) references Notification 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport create 严重: 找不到对象 "Notification_EmailNotificationHeader"，因为它不存在或者您没有所需的权限。 2010-7-27 16:39:38 org.hibernate.tool.hbm2ddl.SchemaExport execute 信息: schema export complete java.lang.IllegalArgumentException: Named query not found: UnescalatedDeadlines at org.hibernate.ejb.AbstractEntityManagerImpl.createNamedQuery(AbstractEntityManagerImpl.java:108) at org.drools.task.service.TaskService.<init>(TaskService.java:65) at org.drools.task.service.TaskService.<init>(TaskService.java:48) at com.demo.action.loginController.HumanTask(loginController.java:94) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:174) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:421) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:409) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) =======error info end=============================================== the top error info(chinese text) means that: [mapkey] is nullable, it can not be defined as primary key ; how to slove it? Thansks~ -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Exception-when-use-Hu... Sent from the Drools - User mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users