Eclipse, AppEngine: java.lang.RuntimeException: Cannot get the System Java Compiler. Please use a JDK, not a JRE

Question

I\'m getting this error when trying to deploy to Google AppEngine. I DO have JDK selected!

------------ Deploying frontend ------------

Preparing to deploy:
            


        

Answer 1

In my case I was trying to File>Restart the Eclipse but not working when exited and run again It works