Instruments, Target Failed to run : Remote exception encountered : 'Failed to get task for pid'

Question

I have no control over the builds. I dont have an apple dev account either. I can use a debug/checked/release build. When running test automation I continue to run into this error: Target failed to run : Remote exception encountered : 'Failed to get task for pid 506'

The automation starts, the application opens and then promptly closes. here is some console output

Oct 25 09:46:48 iphone com.apple.launchd[1] (UIKitApplication:com.something.dogfood[0xd456][504]) : (UIKitApplication:com.something.dogfood[0xd456]) Exited: Killed: 9

Oct 25 09:46:48 iphone SpringBoard[29] : Application 'MyApplicaton' exited abnormally with signal 9: Killed: 9

Any suggestions?

Answer 1

Instruments basically does its work by becoming the debugger for the app. Sometimes after using XCode to debug apps, I find I can't use Instruments until I reboot the device.

Unlike XCode, Instruments can be confused between two apps with the same name, but different bundle IDs. (Or perhaps same name and similar bundle IDs.) When I have multiple versions of an app on a device, I often have to delete the extra to get Instruments to connect to the correct app.

So, delete any duplicates of your app and restart the device.