scala.util.Try
http://www.scala-lang.org/files/archive/nightly/docs/library/index.html#scala.util.Try

http://mauricio.github.io/2014/02/17/scala-either-try-and-the-m-word.html

http://danielwestheide.com/blog/2012/12/26/the-neophytes-guide-to-scala-part-6-error-handling-with-try.html