在IDEA中禁用调试功能

Question

Strange situation: suddenly I was unable to Step Over / Step Into while debuging Java code in IDEA 14. No effect when I press F7 / F8 - on panel buttons do not work.

Whats happened? Please help.

Here is my screenshot:

Answer 1

You have some approaches there:

1. Update your IDEA, since version 14 was surely tested with an older JDK.
2. Remove your IDEA project configuration inside of that project and import it again.

I would suggest first one, since I had the same kind of problems using '15 after a OSX update. But the second one is simpler.