After installing all the other eclipse packages (ie. eclipse-pde, eclipse-jdt, and eclipse-rcp), I stopped getting this error and was able to install plugins.
-- Unable to Install any plugins - 3.5.1+repack~1-0ubuntu1 on Karmic https://bugs.launchpad.net/bugs/477944 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
