如果出现以下问题则有可能是被占用了端口号 The connection to adb is down, and a severe error has occured. You must restart adb and Eclipse. Please ensure that adb is correctly located at 'D:\Program Files\Android\android-sdk\platform-tools\adb.exe' and can be executed.
经常遇到 Please ensure that adb is correctly located at ‘D:\java\sdk\platform-tools\adb.exe’ and can be executed.
遇到问题描述：
运行android程序控制台输出
[2012-07-18 16:18:26 – ] The connection to adb is down, and a severe error has occured. [2012-07-18 16:18:26
