Multiple dex files error when compiling with ant or Eclipse

Question

I am unable to build my application I am running the latest build tools downloaded today, this started happening after the update.

-dex:
   [dex] Converting          


        

Answer 1

I was seeing this same problem. If you're using Android Studio, you need to make sure you don't have the 'bin' or 'gen' folders included in any of your projects when you're compiling.

After removing this I was able to compile successfully