We\'re randomly getting some very strange error logs. They don\'t happen on every page hit, even with the same parameters/actions/etc, and they don\'t seem repeatable, each
Are you, by any chance, using some opcode cache (e.g. APC, XCache) or some debugger? They sometimes cause weird things to happen. If there isn't and never was a LoginLogging class in your project, but yours is not the only project on the server, I would bid on the cache.