Qt Creator调试模式已消失

Question

I was working with Qt both in debug mode and release mode before I update my packages by update manager in Ubuntu 12.04. After Updating I couldn't debug my code. By looking at Project Mode in Qt, all I see is Release Mode:

• One is " Qt 4.8.1 (System) Release " ,

• and the other one is " Qt 4.8.1 in PATH (System) Release "

I put the screen shot of my program in here What should I do ? Why debug mode has disappeared ? Does updating the packages caused this issue ? I'm sure that I didn't change any Qt settings in the last week.

Answer 1

Possibly your debug configuration got corrupted or removed. I'd suggest attempt to recreate it:

1. Open Projects tab (ctrl+5)
2. Select your project from the top projects lists
3. Select Build & Run page
4. Choose: Desktop/Build
5. --> Build Settings -> Edit build configuration: Debug --> Add

Based on QtC 2.8, but should be similar on newer versions.