Valid for version 10
Users upgrading to version 10 no longer find the SVN plugin.
As of version 10, the SVN plugin is no longer bundled with the IDE, so it will need to be installed separately.
See Teamwork and SVN for installation instructions.
When installing the SVN plugin, there may be the following error message
To fix this issue, go to Help > Install New Software... and click on Available Software Sites link. Here, click on the problematic site (in this case, select Luna) and then on Reload. Eclipse will be synchronized with the selected server and everything will work again.