rails 3.1.1.rc1 emits warning for each assets when using ruby-1.9.3-rc1 #3164
Description
When running the project with ruby 1.9.3-rc1 a warning is output for each asset served:
Started GET "/assets/application.js?body=1" for 127.0.0.1 at 2011-09-29 10:21:55 +0200
Served asset /application.js - 304 Not Modified (0ms)
[2011-09-29 10:21:55] WARN Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true
There's no warning when running the project with 1.9.2.