Unknown warning in development mode

Question

When ever i run my application in development mode i get this warning message

Started GET "/assets/playerbg.png" for 127.0.0.1 at 2012-01-07 03:30:53 -0500

Served asset /playerbg.png - 304 Not Modified (0ms)

[2012-01-07 03:30:53] WARN Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true

please how can i go about this message.

Answer 1

It's an issue with Webrick and ruby 1.9.3. Nothing to worry about.

If you use Thin, you won't see this warning.