What version are you running?
1.6.4+ (Probably earlier as well)
What's the URL of the page containing the problem?
/api/review-requests/{valid-request-id}/diffs/{diff-id}/files/{file-id}/diff-comments/
Where at least one of diff-id and file-id are invalid.
What steps will reproduce the problem?
1.Visit the URL
What is the expected output? What do you see instead?
This should return a 404, but instead a list of 0 results is returned.
What operating system are you using? What browser?
Ubuntu 11.10, Chrome 18
Please provide any additional information below.