Since I reinstalled Eclipse (simply deleted and downloaded it again) I can\'t debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fin
The same issue started appearing once I changed my development device, it was solved as:
$ mv ~/.android/adbkey ~/.android/adbkey.old $ mv ~/.android/adbkey.pub ~/.android/adbkey.pub.old $ adb kill-server $ adb start-server