twitter/scalding — pull request #864 by jcoveney (2014-05-05 22:25:03+00:00)
Title: Writing to intermediate Tsv cases CoGroup to fail

This is a test case for scalding, but I have replicated this issue in cascading and will work on a fix there. Once that fix is in, this should go green and we can merge it to make sure that the issue stays out.