BufferedReader.read（）占用100％的CPU

I have a JAVA game server that uses 1 thread per TCP connection. (I know it's bad but i'll have to keep it this way for now). On a (3.2Ghz 6cor x2 machine, 24GB RAM, windows server 2003 64bits) and here is a piece of the code:I have a JAVA game server that uses 1 thread pe