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I've installed the latest version of IntelliJ Idea Community Edition (12.0.1) and I have problems with key bindings there. I am using Ubuntu 12.04 LTS with Unity.

None of them, where a letter is involved (ctrl-a, ctrl-c, ctrl-v) are working in Idea. And they are working in all other applications.

I can copy/paste text in Idea with mouse and it shows me that key bindings for this are ctrl-c/ctrl-v, but they are just not working.

I have no idea what is the problem, so any help will be appreciated.

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I don't seem to have enough reputation to comment, so I'm commenting via answer: I have exactly the same problem, using Intellij 12.1 on Ubuntu 13.04. Neither Ctl nor Alt work, although they work fine in other programs. – Ben Hutchison Jun 21 '13 at 5:09

Check the key bindings in Ubuntu and Idea. Some key-constellations do overlap. The system prefers Ubuntu keybindings.

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How can we easily decide to prefer idea instead of ubuntu? – Shervin Asgari Nov 5 '13 at 20:27

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