To install Spring IDE 2.0.6 into Eclipse 3.4 Ganymede you need to switch off the Mylyn integration (as per the instructions) and remove the Eclipse 3.2 dependency.
From a clean install of Eclipse 3.4 Ganymede:
- From the menu: Help->Software Updates
- Click Add site…
- Enter the the Spring IDE update site url: http://springide.org/updatesite/site.xml
- Click Ok
- Check the box next to Sprint IDE Update Site
- Expand Sprint IDE Update Site
- Expand Dependencies
- Uncheck Spring IDE Dependencies (only for Eclipse 3.2.x)
- Expand Integrations
- Uncheck Spring Mylyn Integration (optional)
- Click Install
- Screen will show no unresolved dependencies
- Click Next >
- Select I accept the terms of the license agreement
- Click Finish