[jbosstools-issues] JBoss Tools update site does not contain any features

I just tried to install JBoss Tools 2.0.0 using the Eclipse update site. I've done this more than once before and never had any problems. Now Eclipse displays the message: "No features found on the selected site(s). Choose a different site or site category." I checked the update site URL twice, and it's definitely correct. I even looked at the source of the site.xml file that is located on the update site and it seems to be correct. Am I the only one with this issue (meaning that it's presumably an issue with my Eclipse installation)? I also tried downloading the ZIP package of the Tools, but extracting the contents of the archive into my Eclipse directory didn't work neither - the tools simply don't appear in Eclipse. Finally, I downloaded the site.xml and all relevant JAR-Files manually and created a local update site - ending up with the same error message. Best regards, Stephan Schobloch