Java侦听服务器 - 消息丢失

I am using a thread and a while true loop to listen for message from my server. For some strange reason some messages are getting lost. (I am logging from my server so i am 100% sure that the message is sent, therefore the problem has to be on the client side). This seems to happend when the server is sending messages fast to the client.I am using a thread and a while true loop to li