Please ensure that adb is correctly located at

      今天部署app时遇见了这个问题 Please ensure that adb is correctly located at 'D:\android-sdk-windows\platform-tools\adb.exe' and can be executed. "会提示重启Eclipse和adb。

这个又是adb失去连接，

运行一下amd命令行

 

adb kill-server 
adb start-server

重建连接，

然后再重新部署，ok了。