[Resolved] The connection to adb is down, and a severe error has occured.

System returns the following error when running an android project in Eclipse.



[2013-01-17 22:34:06 - XXX] The connection to adb is down, and a severe error has occured.
[2013-01-17 22:34:06 - XXX]You must restart adb and Eclipse.
[2013-01-17 22:34:06 - XXX] Please ensure that adb is correctly located at 'C:\android-sdks\platform-tools\adb.exe' and can be executed.


Solution:
1. Restart eclipse
2. In command prompt, go to the Android sdk platform-tools directory.
3. type command: adb kill-server
4. and then type command: adb start-server

Meanwhile, the following logs will be shown in eclipse.

[Resolved] You must have AdActivity declared in AndroidManifest.xml with configChanges

You must have AdActivity declared in AndroidManifest.xml with configChanges.

Solution

Add the following Activity in AndroidManifest.xml file.

<application ...>

<activity android:name="com.google.ads.AdActivity"

android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize" />

</application>