My system is: Ubuntu 10.04, JRuby 1.6.7, Ruby on Rails 3.0.9, activerecord-jdbc-adapter 1.2.2, activerecord-jdbcderby-adapter Up until a few days ago, "rake test:units" was working fine, but now suddenly it fails with the following message: ------------------------------------------------- Task not supported by ''jdbc'' <<--same msg for ''jdbcsqlite3'' and ''derby'' Tasks: TOP => db:test:load => db:test:purge -------------------------------------------------- I tried this using derby, jdbcsqlite and jdbc, all fail with the same message. I assume it is environment related, as the same code in another Ubuntu machine (11.10) runs just fine. I compared gem versions and they are the same in both machines. Has anyone faced this problem before and can suggest a solution or workaround? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.