Make sure you are closing your all of your ResultSets after you've finished with them (same for Statement and Connection objects).
Chris Andres Garcia Hourcade wrote: >I have an application (jsp & ejb) running with version 1.4.0, i am trying to >upgrade the same EAR in 1.5.2 version, but i get this error. > >What i am doing wrong ? > >com.evermind.server.rmi.OrionRemoteException: Error (de-)serializing object: >org.gjt.mm.mysql.jdbc2.ResultSet; nested exception is: >java.io.NotSerializableException: org.gjt.mm.mysql.jdbc2.ResultSet > >Many thanks > > >