[rules-users] Error unmarshalling KnowledgeBase

[nestabur]

Hi all,

I'm getting 2 different errors trying to unmarshalling 2 different KBases:

1: org.drools.RuntimeDroolsException: unable to determine operator for
symbol [after]
2: java.io.StreamCorruptedException: invalid stream header: 776CACED

The 1st one seems to be caused when using the operator after in the DRL, so
the marshalling/unmarshalling strategies dont support CEP rules?

The 2nd one could be caused because of using different marshallers ... but I
use the same!!

My marshalling methods are:

        public void save(FileOutputStream out) throws IOException{
               
                DroolsObjectOutputStream droolsOut = new
DroolsObjectOutputStream(out);
                droolsOut.writeObject(ksession.getKnowledgeBase());
                Marshaller mas =
createMarshaller(ksession.getKnowledgeBase());
                mas.marshall(droolsOut, ksession);
        }
       
        public void load(FileInputStream input) throws IOException,
ClassNotFoundException{
               
                DroolsObjectInputStream droolsIn = new
DroolsObjectInputStream(input);
                KnowledgeBase kbase = (KnowledgeBase)droolsIn.readObject();
                Marshaller mas = createMarshaller(kbase);
                ksession = mas.unmarshall(input);
        }
       
        private Marshaller createMarshaller(KnowledgeBase kbase){
                ObjectMarshallingStrategyAcceptor acceptor =
MarshallerFactory.newClassFilterAcceptor(new String[]{"*.*"});
                ObjectMarshallingStrategy strategy =
MarshallerFactory.newSerializeMarshallingStrategy(acceptor);
                return MarshallerFactory.newMarshaller(kbase,new
ObjectMarshallingStrategy[]{strategy});
        } 
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