java.lang.ClassCastException: org.hibernate.collection.Persi
ricardomarques Jun 15, 2007 10:51 AMHi 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