When logging using the slf4j adapter -> slf4j -> logback -> stdout, inside of tomcat, the stacktraces don't seem to be printed with each stackframe on its own line, but rather instead of newlines there are tabs or something:
11:38:25.094 [http-bio-3000-exec-9] ERROR com.foo - NoMethodError (You have a nil object when you didn't expect it!The error occurred while evaluating nil.get_things): /app/controllers/version_controller.rb:15:inindex' gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:106:in call' gems/jruby-...