How do I get my Eclipse shortcuts working again in Helios?

Since upgrading to Helios, some of my main shortcuts have stopped working; I use Control + Option + C for Subversion commit, but since the upgrade, hitting this combination in the navigator view behaves 开发者_如何学JAVAthe same as just hitting C (moves to the next element that starts with C).

I've tried a few variations, but either get the same behaviour, or nothing happens at all.

Any ideas?

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I was able to fix it by going to Window -> Customize Perspective -> Command Groups Availability and ticking the SVN checkbox in Available command groups. This added a SVN menu and the shortcuts started working immediately.

Source of workaround: https://bugs.eclipse.org/bugs/show_bug.cgi?id=306173#c16

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Go to Preferences > General > Keys, 'commit', to see if the subclipse commit is there.
It is possible that the Subversion plugin stopped working in this edition (see also 'Help > About > Installation Details > Plug-ins')

This is why I always avoid upgrading an existing Eclipse installation.
I will rather unzip a new Eclipse distribution elsewhere, and make it reference the same workspace than my previous Eclipse, and reinstall plugins.
That way, if some incompatibilities are detected, I still have a (previous) working installation still all set.

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I had a similar problem but my issue was that my keyboard had a "Function Lock" key, which set the Function keys to either work as Function keys or keyboard short cuts such as "Send" "Undo" "Open". So at some point I must have accidentally hit the button and set it to the shortcut setting. I hit that again and it started working perfectly.