java.net.SocketException: Connection reset时出时不出

最近写一个很简单的TCP通信的程序,问题的详细情况是这样的:服务器端在电脑上,客户端在android手机上,android手机连上学校里的无线可以正常连接。现在我用运行着服务器端的电脑上的360免费wifi开无线,android手机连上电脑开的这个无线再进行连接的时候就会抛出java.net.SocketException: Connection reset的错误!为什么呢?难道是TCP通信对网络有限制???

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java.net.SocketException: Connection reset
java.net.SocketException: Connection reset .
java.net.SocketException: Connection reset
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求大神抽时间看看,java连接本地mysql数据库出现connection reset错误
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RMI连接问题
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java.net.SocketException: sendto failed: ECONNRESET (Connection reset by peer)
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