UDP Packet content changes while transmitting

Question

I\'m programming an Server-Client Software, where the client connects to the server with an port request, the server opens a new port and sends back the new port number. Then th

Answer 1

inD = in.getData();

This merely reasserts the same value. Remove.

message = new String(inD,0,inD.length);

Wrong. You're ignoring the actual length of the received datagram. Change to:

message = new String(in.getData(), in.getOffset(), in.getLength());

Answer 2

You are sending a string of one size, yet on the other side you are reading the string of 1024 bytes - which you never sent. This will not do. You should either serialize string using serialize() method, or, if you want to send raw string bytes, send string length as a separate part of the message.