Installed new 1.2.2 LAMP distro for Windows on XP laptop, configured for Ruby and Rails, switched to Rails perspective, created new Rails project. Project wizard never went away and only the project folder was ever created.
Logfile contained java.lang.NoClassDefFoundError: org/ruby/people/rdt/internal/launching/RubyRuntime each time New Rails project wizard was run.
Searching the RadRails site yielded http://www.aptana.com/forums/viewtopic.php?t=1794 which reported exactly the same error when starting WEBrick server and the diagnosis was "If you have RDT 0.9.0 RC1 installed, that will break RadRails 0.7.2. You'd need RDT 0.8.1". Help/About/Plugin Details showed 1.2.2 distro uses RDT 0.9.0 RC1 and RadRails 0.7.2.
Uninstalled 1.2.2 distro and installed 126.96.36.199 and created new Rails project without problems.
firstname.lastname@example.org (John Attwood)
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