Ran across this while trying out some sibling stuff. I can't say for sure if it happened before I upgraded my local Node to 0.6.1, but this fixes the issue in the simplest way I could think of. If there's a better way, hit me!
Convert buffer to string explicitly.
Otherwise multipart responses fail to be properly parsed.
Thanks Mathias; need to check why the tests were not catching this one. And definitely noted for the new version of riak-js -