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Android : The connection to adb is down, and a severe error has occurred.

Problem

Android development with Eclipse IDE, sometime it hit following “adb” error message and caused the application fail to start?


[2011-11-22 15:17:07 - HelloWorld] ------------------------------
[2011-11-22 15:17:07 - HelloWorld] Android Launch!
[2011-11-22 15:17:07 - HelloWorld] The connection to adb is down, and a severe error has occured.
[2011-11-22 15:17:07 - HelloWorld] You must restart adb and Eclipse.
[2011-11-22 15:17:07 - HelloWorld] Please ensure that adb is correctly located at 
   'C:\Android\android-sdk\platform-tools\adb.exe' and can be executed.

P.S Restart Eclipse will not get rid of the error message.

Solution

In some cases, Android project may get crashed or shutdown abnormally, and caused the “adb.exe” to function abnormally.

To solve it, just restart the “adb.exe” process. Restart the Eclipse will not shut down the “adb.exe” process automatically, you need to kill it manually.

For example, in Windows, just use task manager to kill the process.

adb.exe error

About Author

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Founder of Mkyong.com, love Java and open source stuff. Follow him on Twitter. If you like my tutorials, consider make a donation to these charities.

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Vaishali Nanda
8 years ago

adb.exe process doesnot exist in taskbar . please tell can be done in this situation

suju
9 years ago

my task manager has not adb.exe

siddhu
10 years ago

ThankYou Sirji……..!!! You are great

sid
10 years ago

adb start-server worked well with me

Amar
10 years ago

Thanks a lot

ganesh
10 years ago

thank you

Priyanka
10 years ago

thanks a lot…u helped me lot of times when i’m stuck in programming

🙂

vaishali
11 years ago

Thank you so much. This works for me. but when I run my android app, I got following error

[2013-01-16 12:42:54 – AndroidSample] ——————————
[2013-01-16 12:42:54 – AndroidSample] Android Launch!
[2013-01-16 12:42:54 – AndroidSample] adb is running normally.
[2013-01-16 12:42:54 – AndroidSample] Could not find AndroidSample.apk!

plz help me.

Kavitha
10 years ago
Reply to  vaishali

Check in bin folder whether .apk is generated or not

soulheal
11 years ago

it’s works.. tanx alot..

Geet
11 years ago

Hi tried this way didn’t work so I uninstall Android SDK Platform-tool from SDK manager and re install it and works.

Koen
11 years ago
Reply to  Geet

Reinstalling the SDK Platform-tool finally did the job… Great thanks!