Unable to update app: Class file is Java 8 but max supported is Java 7

The solution is like below

Once i also strucked in this problem and i keep remaining surfing the internet to get help everywhere but everything worthless. But after a lot of hardwork, i solved it.

Google app engine doesn’t support JDK 8.
So try to install JDK 7.

And make the changes as follow:

The compiler compliance level should be 1.7

In my case,
finaly i installed Eclipse Luna with JDK 7.

If any problem still arises, comment here. i will try to solve it.


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