RTC java.lang.classnotfoundexception: org.eclipse.core.runtime.adaptor.eclipsestarter
If your Rational Team Concert (RTC) installation suddenly starts reporting java.lang.classnotfoundexception: org.eclipse.core.runtime.adaptor.eclipsestarter it's likely you: - made the mistake of using IBM Installation Manager (IIM) to install RTC - cleared your IIM "shared" directory (which is outside of your RTC installation root) At least RTC 5.0.2 when installed via IIM loads eclipse jars from the IIM Shared directory and it's not trivial to recover from. Just scrap and download the "zip" installs which are not IIM repository archives but an actual unzip-to-install RTC client including eclipse.