Serializtioncontext.registerMarshaller should unregister the previous Java type (if any) ---------------------------------------------------------------------------------------- Key: IPROTO-81 URL: https://issues.jboss.org/browse/IPROTO-81 Project: Infinispan ProtoStream Issue Type: Bug Reporter: Adrian Nistor Priority: Major Fix For: 4.3.0.Alpha1 If the previous Java type is different it is not removed and still appears to be registered and SerializationContext.canMarshall(previousJavaType) wrongly returns true.