我不断犯的错误是
服务器异常:表java.rmi.NoSuchObjectException中没有这样的对象:在sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:378) at sun.rmi.registry.RegistryImpl_Stub.bind(Unknown Source)的example.hello.Server.main(