MefContrib/MefContrib — pull request #34 by brettmas (2012-10-05 11:34:59+00:00)
Title: Check for existence of operation context

When HttpContext.Current doesn't exist (e.g. in a new thread) CurrentRequestContext moves on to check if there's a WCF context, but it attempts to access it properties of OperationContext.Current without first checking to see if there is a context.