deserialize message from [akka://application@127.0.0.1:2551] with serializer id [123454323] and manifest []. com.esotericsoftware.kryo.KryoException: java.lang.NullPointerException
org.apache.flink.streaming.runtime.tasks.ExceptionInChainedOperatorException: Could not forward element to next operator
Serialization trace:fieldMap (
the action, eventually got an error: com.hazelcast.nio.serialization.HazelcastSerializationException: com.esotericsoftware.kryo.KryoExceptionplay-akka.actor.default-dispatcher-2 play ERROR -不能调用操作,最终得到一个错误: com.hazelcast.nio.serialization.HazelcastSerializationException: com.esotericsof
我有三个班-- StudentMain,StudentService,Student。学生类包含getter和setters方法,我将从StudentMain将Student对象传递给StudentService。以下是代码:public class StudentMain {static { for (int i = 0; i < data.length; i++) data [0] = new St