public class InvalidClassException extends ObjectStreamException Thrown when the Serialization runtime detects one of the following problems with a Class. The serial version of the class does not match that of the class descriptor read from the stream The class contains unknown datatypes The class does not have an accessible no-arg constructor
应该是这样吧: public class UserInfo implements Remote编译后用rmic UserInfo才能被远程调用
extends ObjectStreamException
Thrown when the Serialization runtime detects one of the following problems with a Class. The serial version of the class does not match that of the class descriptor read from the stream
The class contains unknown datatypes
The class does not have an accessible no-arg constructor
public class UserInfo implements Remote编译后用rmic UserInfo才能被远程调用