adb端口被占以及一些报错的解决

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adb的端口（5037）被占用了。

在cmd窗口:
C:\Users\>adb nodaemon server
cannot bind 'tcp:5037'

C:\Users\>netstat -ano | findstr "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 8621
TCP 127.0.0.1:5037 127.0.0.1:59163 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:59164 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:59167 TIME_WAIT 0
......
C:\Users\>tasklist | findstr "86216"
lt_demo   8621 Console 1 3,071 K

是lt_demo进程占了adb的端口。

C:\Users\lizy>tasklist

Image Name PID Session Name Session# Mem Usage
========================= ======== ================ =========== ============
System Idle Process 0 Services 0 24 K
System 4 Services 0   1,128 K
lt_demo 863 Console 1    3,071 K
tasklist.exe 1260 Console 1   5,856 K

干掉这个占用我们adb端口的进程：
C:\Users\>taskkill /f /pid 863

如果这个命令提示无权限，去windows的“任务管理器”中“进程”窗口，找到这个进程，将它干掉。

再启动adb。

C:\Users\>adb devices
List of devices attached
adb server version (31) doesn't
* daemon started successfully *
4df0b93c4bc330f5 device

adb启动成功。

有的时候项目build的时候会报如下错误，都和adb相关：

1.报错：
BUILD FAILED
D:\workspace\xxxx\build.xml:144: The following error occurred while executing this line:
D:\workspace\xxxx\build.xml:271: Unable to delete file D:\workspace\ganji\tmp\proguard\tmp.jar
解决：
已经开了一个模拟器了，无法重新编译，必须关闭一个。

2.报错：
The connection to adb is down, and a severe error has occured.
解决：
cmd跳到sdk tools文件路径下
adb kill-server
然后再adb start-server

3.报错：
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:\adt-bundle-windows-x86_64-20140624\sdk\platform-tools\adb.exe' and can be executed.
解决：
方法1.cmd中adb kill-server，然后adb -startserver
方法2.方法1不管用，那么在任务管理器中杀死adb.exe，然后重启Eclipse。
方法3.方法1和2都不管用请查看对应路径的platform-tools文件夹中是否有adb.exe.

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