This feature is well tested, an works with lots of other plugins.Well... You aren't the first to report various glitches with Eclipse's handling of shared installs. A variety of problems with a variety of plugins. Shared installs is relatively new Eclipse feature and doesn't get a lot of use by developers working on the platform, so all the bugs haven't been flushed out. You are really are on the cutting edge by choosing this route. I suggest trying to find a way not to use shared installs. You can also report the problem on bugs.eclipse.org and see if you can get someone from Eclipse platform to work with you to debug the issue.