public KryoTranscoderTests() { transcoder = new KryoTranscoder(); final Map<Class<?>, Serializer> serializerMap = new HashMap<Class<?>, Serializer>(); serializerMap.put( MockServiceTicket.class, new FieldSerializer(transcoder.getKryo(), MockServiceTicket.class)); serializerMap.put( MockTicketGrantingTicket.class, new FieldSerializer(transcoder.getKryo(), MockTicketGrantingTicket.class)); transcoder.setSerializerMap(serializerMap); transcoder.initialize(); this.principalAttributes = new HashMap<>(); this.principalAttributes.put(NICKNAME_KEY, NICKNAME_VALUE); }