there seems to be a problem with Subversive or the Eclipse SVN Team Provider Project.
After installatation and before starting please edit the bundles.info file in your sts/configuration/org.eclipse.equinox.simpleconfigurator directory. Remove the following two lines and restart:
There seems to be an incompatibility between the Equinox Weaving that STS ships and the one that gets installed when installing the team provider.
BTW. Subclipse works with no problem.
Let's get to the bottom of this. Thanks for your help. Sorry for the inconvenience.