533753 - "Dynamic" script is not cached in 3.6b4, but *is* cached in 3.5.5

Status: RESOLVED FIXED

(Core :: Networking: Cache, defect)

Description

[Kyle Simpson]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2b4) Gecko/20091124 Firefox/3.6b4 (.NET CLR 3.5.30729)
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2b4) Gecko/20091124 Firefox/3.6b4 (.NET CLR 3.5.30729)

The above URL loads a simple test JavaScript snippet (the delay=x parameter just causes the PHP to delay a certain number of seconds before returning the contents).

As you'll note, the script returns a valid "text/javascript" content type, as well as an Expires header for 6 months in the future.

In 3.5.5 (and before, afaik), this script caches just fine. But in 3.6b4, the script does not get cached. I verified this by clearing the cache, then simply loading the script in a tab, then in another tab, doing "about:cache", which showed 0 entries. 

The same process on 3.5.5 and before shows the script entered in the cache.

Reproducible: Always

Steps to Reproduce:
1. clear cache
2. load the test script URL
3. check the cache, script not there
4. try from 3.5.5, script IS there
Actual Results:  
in 3.6b4, script *not* in cache, in 3.5.5, script *is* in cache

Expected Results:  
as in 3.5.5 and before, expect the script to be cached since it has valid cache/expires headers.

Comment 1

[Kyle Simpson]

Just tested this same URL in the new 3.6 RC1, and it works fine. So sometime between b4 and RC1, it appears this bug was fixed (either intentionally or accidentally). Glad it was just a Beta regression and didn't end up in the main release! :)