When I run ionic build android command in root of ionic project, I am getting this error:
FAILURE: Build failed with an exception.
Well Many people give their answer, some answer is same, some answer id different. I try many answer but they are did not work for me, of course I try from above answer also but did not solve my issue. And I don't know why but I have the same error even my issue solved by this ANSWER. I just want to write it might be helpful for someone.