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
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