eclipse version 3.1
download via updatesite impossible
Errormessage:

Current configuration contains errors that are not corrected by the requested operation and more errors would be introduced. See details for more information.
----- Current configuration problems -----
Resulting configuration does not contain the platform.
----- Configuration problems after the operation -----
Resulting configuration does not contain the platform.
Spring IDE - Beans Configuration Support (1.0.3) requires plug-in "org.eclipse.gef".