I know this. My problem is how to log the exception thrown. Mohsen
On Sat, Sep 12, 2009 at 2:39 PM, Sripathi Krishnan < sripathi.krish...@gmail.com> wrote: > You cannot return hibernate classes in your RPC servlet - because GWT has > no way of compiling that into javascript objects. > > In your case, org.hibernate.collection.PersistentBag cannot be a part of > any object that is returned as part of RPC service call. > > --Sri > > > 2009/9/12 Mohsen Saboorian <mohs...@gmail.com> > > Hi, >> >> When retrieving a Hibernate/JPA entity from server, I'm getting >> SerializationException because of lazy issues. I know some ways to solve >> this issue, but my current problem is that I cannot see the exception >> anywhere when it happens. AsyncCallback.onFailure() is fired with: >> StatusCodeException: 0: The call failed on the server; see server log for >> details >> and nothing is written to hosted mode console. I even could not see the >> exception after adding throws SerializationException to my service impl, >> async and interface (exception is not runtime, so I had to put a try/catch >> at the client side) either in the client catch part or >> AsyncCallback.onFailure(). >> >> I was able to track exception by putting breakpoint on >> RemoteServiceServlet.doUnexpectedFailure(). >> >> Here is the last part of serialization exception I face: >> Caused by: com.google.gwt.user.client.rpc.SerializationException: Type >> 'org.hibernate.collection.PersistentBag' was not included in the set of >> types which can be serialized by this SerializationPolicy or its Class >> object could not be loaded. For security purposes, this type will not be >> serialized. >> at >> com.google.gwt.user.server.rpc.impl.StandardSerializationPolicy.validateSerialize(StandardSerializationPolicy.java:83) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:591) >> at >> com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:129) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$8.write(ServerSerializationStreamWriter.java:146) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:530) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeClass(ServerSerializationStreamWriter.java:636) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:666) >> at >> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:593) >> at >> com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:129) >> at >> com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase.serialize(Collection_CustomFieldSerializerBase.java:43) >> at >> com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serialize(ArrayList_CustomFieldSerializer.java:36) >> ... 34 more >> >> >> Regards, >> Mohsen >> >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
