The connection to adb is down, and a severe error has occured解決方案

0：前言

今天開發中遇到錯誤

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:\sdk\platform-tools\adb.exe' and can be executed. 

1：解決方案

1. 關閉eclipse
2. 進入platform-tools目錄
3. 執行

   adb kill-server

4. 執行

   adb start-server

5. 重新打開eclipse即可