Hi guys, while getting the comments for a task instance using the command interface, i'm having this exception:


| 12:19:00,265 ERROR [LazyInitializationException] failed to lazily initialize a collection of role: org.jbpm.taskmgmt.exe.TaskInstance.comments, no session or session was closed
| org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: org.jbpm.taskmgmt.exe.TaskInstance.comments, no session or session was closed
|      at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException (AbstractPersistentCollection.java:358)
|      at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected (AbstractPersistentCollection.java:350)
|      at org.hibernate.collection.AbstractPersistentCollection.readSize (AbstractPersistentCollection.java:97)
|      at org.hibernate.collection.PersistentList.size (PersistentList.java:91)
|      at com.pep.workflow.console.beans.Task.fetchComments(Task.java:189)
|      at com.pep.workflow.console.beans.Task.initialize(Task.java:240)
|      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
|      at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39)
|      at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25)
|      at java.lang.reflect.Method.invoke (Method.java:585)
|      at org.apache.myfaces.el.MethodBindingImpl.invoke (MethodBindingImpl.java:129)
|      at org.apache.myfaces.application.ActionListenerImpl.processAction (ActionListenerImpl.java:63)
|      at javax.faces.component.UICommand.broadcast (UICommand.java:106)
|      at javax.faces.component.UIData.broadcast (UIData.java:513)
|      at javax.faces.component.UIViewRoot._broadcastForPhase (UIViewRoot.java:94)
|      at javax.faces.component.UIViewRoot.processApplication (UIViewRoot.java:168)
|      at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication (LifecycleImpl.java:343)
|      at org.apache.myfaces.lifecycle.LifecycleImpl.execute (LifecycleImpl.java:86)
|      at javax.faces.webapp.FacesServlet.service (FacesServlet.java:137)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:252)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter (ExtensionsFilter.java:147)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter (ReplyHeaderFilter.java:96)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:213)
|      at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:178)
|      at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke (SecurityAssociationValve.java:175)
|      at org.jboss.web.tomcat.security.JaccContextValve.invoke (JaccContextValve.java:74)
|      at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:126)
|      at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
|      at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
|      at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:107)
|      at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:148)
|      at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:869)
|      at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
|      at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket (PoolTcpEndpoint.java:527)
|      at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run (MasterSlaveWorkerThread.java:112)
|      at java.lang.Thread.run (Thread.java:595)
|
|

I've have read some other post's regarding this issue but still have some question, i'm complitely newbie in hibernate, and I trying to figure out the best way to solve this.

I'm wandering if the best approach is to write my hibernate query?


thanks

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