Thanks a lot Thomas. It was that !!!
Thanks a lot again !!!!!! -----Message d'origine----- De�: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Envoy�: jeudi 27 mars 2003 10:56 ��: OJB Users List Objet�: Re: Dynamic Proxy error ?? Hi Emmanuel, As Poxies work with interfaces only you have to make sure that all your reference attributes are typed as Interfaces too! A field B aB; can only be assigned with a B instance, but not with a Proxy implementing InterfaceB. This is what the error message is trying to tell you. You must define aB as InterfaceB aB; cheers, thomas Emmanuel Dupont wrote: > All, > > > > > > As the maillist is out of order, I would like to know if there are some > trouble with the dynamic proxy ? > > > > I have two objects A, B who work fine with Ojb and since I have been puting > the "dynamic" proxy in the repository.xml it haven't been working. > > > > I only do this : > > > > Object A implement InterfaceA > > Object B implement InterfaceB > > > > proxy="dynamic" in the repository.xml > > > > Declaration of the InterfaceA and InterfaceB with all the method signatures > of A and B. > > > > That's all.. This is driving me nuts !! > > > > > > I have some collections between A, B and C, D.. > > > > It fails at the attributes b from A with is a link to B. > > > > [org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDefaultImpl] > ERROR: while set field: > > object class[ A target field: aB > > target field type: class B > > object value class: $Proxy1 > > object value: [Id] 15] > > [org.apache.ojb.broker.accesslayer.IndirectionHandler] ERROR: Method > invoking failed for method *toString* on object null > > Error setting field:aB in object:A > > java.lang.IllegalArgumentException > > at > sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl. > java:63) > > at java.lang.reflect.Field.set(Field.java:519) > > at > org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDefaultImpl.set(Pe > rsistentFieldDefaultImpl.java:147) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.retrieveReference(Persi > stenceBrokerImpl.java:1035) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.retrieveReferences(Pers > istenceBrokerImpl.java:1013) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getDBObject(Persistence > BrokerImpl.java:1527) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getObjectByIdentity(Per > sistenceBrokerImpl.java:1632) > > at > org.apache.ojb.broker.singlevm.DelegatingPersistenceBroker.getObjectByIdenti > ty(DelegatingPersistenceBroker.java:284) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.materializeSubject(Indi > rectionHandler.java:290) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.getRealSubject(Indirect > ionHandler.java:277) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.invoke(IndirectionHandl > er.java:246) > > at $Proxy0.toString(Unknown Source) > > at > com.jware.test.businessobjects.AlertBO.getAlertInformation(BO.java:69) > > at com.jware.test.businessobjects.Application.run(Application.java:28) > > at > com.jware.test.businessobjects.Application.main(Application.java:12) > > rethrown as org.apache.ojb.broker.metadata.MetadataException: Error setting > field:aB in object:A > > at > org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDefaultImpl.set(Pe > rsistentFieldDefaultImpl.java:165) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.retrieveReference(Persi > stenceBrokerImpl.java:1035) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.retrieveReferences(Pers > istenceBrokerImpl.java:1013) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getDBObject(Persistence > BrokerImpl.java:1527) > > at > org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getObjectByIdentity(Per > sistenceBrokerImpl.java:1632) > > at > org.apache.ojb.broker.singlevm.DelegatingPersistenceBroker.getObjectByIdenti > ty(DelegatingPersistenceBroker.java:284) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.materializeSubject(Indi > rectionHandler.java:290) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.getRealSubject(Indirect > ionHandler.java:277) > > at > org.apache.ojb.broker.accesslayer.IndirectionHandler.invoke(IndirectionHandl > er.java:246) > > at $Proxy0.toString(Unknown Source) > > at BO.getInformation(BO.java:69) > > at com.jware.test.businessobjects.Application.run(Application.java:28) > > at > com.jware.test.businessobjects.Application.main(Application.java:12) > > Caused by: java.lang.IllegalArgumentException > > > > Thanks a lot ! > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
