[JBoss-user] CMR...

[Sebastien CHAUSSON]

Hi,   I'm trying to populate the jboss default DB (Hypersonic) using CMR but it doesn't work (I use JBoss 3.0):   I have 2 entity bean (Person and Element) which have a relationship 'one-to-many' unidirectionnal. When I deploy my component in jboss, it automatically create 2 tables in the DB : Element (with a relation column) and Person => OK   When I create a Person entity, jboss just add it in the Person table => OK When I create an Element entity, jboss just add it in the Element table (leaving relation column at 'null').=> OK (I didn't chose to pass a 'Person' directly in the ejbCreate() method of the Element entity bean, but just to have setPerson() and getPerson() methods)   But when I call myElement.setPerson(myPerson), I get this error message :   [java] java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: [java]     java.rmi.ServerException: null; CausedByException is: [java]     $Proxy82; nested exception is: [java]     javax.ejb.EJBException: null; CausedByException is: [java]     $Proxy82 [java] java.rmi.ServerException: null; CausedByException is: [java]     $Proxy82; nested exception is: [java]     javax.ejb.EJBException: null; CausedByException is: [java]     $Proxy82 [java] javax.ejb.EJBException: null; CausedByException is: [java]     $Proxy82 [java]     at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:245) [java]     at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:220) [java]     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:122) [java]     at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source) [java]     at org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:128) [java]     at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:108) [java]     at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:73) [java]     at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:76) [java]     at org.jboss.proxy.ejb.EntityInterceptor.invoke(EntityInterceptor.java:116) [java]     at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:76) [java]     at $Proxy8.setPerson(Unknown Source) [java]     at DataPopulate.createElements(DataPopulate.java:397) [java]     at DataPopulate.main(DataPopulate.java:45) [java] java.lang.ClassCastException: $Proxy82 [java]     <<no stack trace available>> [java]   Could anyone explain to me whats wrong? Thanks for any advice.   S. Chausson