[rules-dev] Error unmarshalling KnowledgeBase
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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