Eclipse hang when copying / pasting code

Question

I have a big problem. Eclipse is hanging up when I do any copy/paste with Ctrl+C / Ctrl+V keys.

Is it due to the Eclipse vali

Answer 1

I had the same issue, and was able to solve it by going to: Preferences -> Javascript -> Editor -> Typing -> "When pasting" heading ... then turning "Update imports" off.

That one change on its own completely eliminated it, when I was previously getting hangs of 2 seconds or more on almost every copy or paste.