ADB server didn't ACK问题解决方法

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当我们通过eclipse开发Android应用时，会连接真机会使用模拟器进行仿真，有时候启动失败，会提示这样的错误。

adb server is out of date. killing...
ADB server didn't ACK
* failed to start daemon *

[2013-10-12 09:17:18 - hisense.demo] Android Launch!

[2013-10-12 09:17:18 - hisense.demo] The connection to adb is down, and a severe error has occured.
[2013-10-12 09:17:18 - hisense.demo] You must restart adb and Eclipse.
[2013-10-12 09:17:18 - hisense.demo] Please ensure that adb is correctly located at 'D:\android-sdks\platform-tools\adb.exe' and can be executed.

方法/步骤

首先通过CMD启动adb服务。这个时候会提示启动失败。
adb server is out of date. killing...
ADB server didn't ACK
* failed to start daemon *
服务启动失败的原因有很多，但一般是端口绑定失败。我们来查看一下端口绑定信息。如图所示，真的是端口绑定出了问题。
D:\android-sdks\platform-tools>adb nodaemon server
cannot bind 'tcp:5037'

D:\android-sdks\platform-tools>
我们来看看哪个服务占用了这个端口。这里面有1个进程占用了这个端口。
D:\android-sdks\platform-tools>netstat -aon|findstr "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 3500
TCP 127.0.0.1:5037 127.0.0.1:49972 ESTABLISHED 3500
TCP 127.0.0.1:49972 127.0.0.1:5037 ESTABLISHED 3268
TCP 192.168.1.105:50372 172.16.41.57:993 CLOSE_WAIT 2884

D:\android-sdks\platform-tools>
我们进入任务管理器，关闭这个进程。
再次启动服务，启动成功。
D:\android-sdks\platform-tools>adb start-server
* daemon not running. starting it now on port 5037 *
* daemon started successfully *

D:\android-sdks\platform-tools>
关闭Eclipse，重启，再次连接模拟器。