[jboss-user] [JBoss jBPM] - java.lang.ClassCastException: org.hibernate.collection.Persi

Hi guys I'm having this exception: | 15:22:17,093 ERROR [STDERR] java.lang.ClassCastException: org.hibernate.collection.PersistentList | 15:22:17,093 ERROR [STDERR] at com.pep.workflow.console.beans.Task.fetchComments(Task.java:188) | 15:22:17,093 ERROR [STDERR] at com.pep.workflow.console.beans.Task.initialize(Task.java:238) | 15:22:17,093 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | 15:22:17,093 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | 15:22:17,500 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | 15:22:17,500 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:585) | 15:22:17,500 ERROR [STDERR] at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:129) | 15:22:17,500 ERROR [STDERR] at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63) | 15:22:17,500 ERROR [STDERR] at javax.faces.component.UICommand.broadcast(UICommand.java:106) | 15:22:17,500 ERROR [STDERR] at javax.faces.component.UIData.broadcast(UIData.java:513) | 15:22:17,500 ERROR [STDERR] at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:94) | 15:22:17,500 ERROR [STDERR] at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:168) | 15:22:17,500 ERROR [STDERR] at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343) | 15:22:17,500 ERROR [STDERR] at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) | 15:22:17,500 ERROR [STDERR] at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | 15:22:17,500 ERROR [STDERR] at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | 15:22:17,500 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | 15:22:17,500 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | 15:22:17,500 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | 15:22:17,500 ERROR [STDERR] at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | 15:22:17,500 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | 15:22:17,500 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | 15:22:17,500 ERROR [STDERR] at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | 15:22:17,500 ERROR [STDERR] at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | 15:22:17,500 ERROR [STDERR] at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | 15:22:17,500 ERROR [STDERR] at java.lang.Thread.run(Thread.java:595) | 15:22:17,500 ERROR [Task] Error initializing task page: java.lang.ClassCastException: org.hibernate.collection.PersistentList | while executing this code using the command interface: | public Object execute(JbpmContext jbpmContext) throws Exception { | | TaskInstance taskInstance = jbpmContext.getTaskInstance(this.taskInstanceId); | | List comments = taskInstance.getComments(); | | return comments; | } This is a very simple code, and by the output i supose that the problem comes from hibernate, that i don't have knowledge of it. Any ideia that it could be? Thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4054790#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...