From: Eric Hodel <drbrain@...7.net>
Date: 2006-02-09T14:05:03+09:00
Subject: Re: odd http header corruption

On Feb 8, 2006, at 6:18 AM, Sam Joseph wrote:

> Eric Hodel wrote:
>
>> On Feb 6, 2006, at 1:16 AM, Sam Joseph wrote:
>>
>>> I can't tell if this is a problem with the ruby cgi library or with
>>> rails action pack (no response from the rails list so far), but  
>>> I  get an
>>> occasional error in the http headers from rails like this:
>>>
>>> HTTP/1.x 200 OK
>>> Date: Thu, 02 Feb 2006 20:56:03 GMT
>>> Server: Apache/2.0.54 (Debian GNU/Linux) PHP/4.3.10-16 mod_ruby/ 
>>> 1.2.4
>>> Ruby/1.8.4(2005-12-24)
>>> #<#<Class: 0x40b8e99c>:0x40b8e8d4>Content-Type: text/html
>>> Cache-Control: no-cache
>>
>> You're adding a metaclass thingy to your headers.
>
> Indeed - not intentionally I assure you :-)
>
>>> Some kind of object data is getting dumped in front of the  
>>> Content- Type,
>>> which screws up how some browsers display the page.
>>>
>>> Setting Content-Type explicitly in the controller doesn't seem  
>>> to  help,
>>> and so far I have been unable to detect what causes this, or why it
>>> happens under some circumstances and not others - I am posting  
>>> this  here
>>> in case anybody has seen something similar, or has ideas about   
>>> possible
>>> causes.
>>
>> Does it go away if you take that out?
>
> No
>
>> I'm going to blame your code or Rails on this one.
>
> Or some interaction of the two :-)  The thing I'm really keen to  
> work out is how the actioncontroller cgi_process.rb generates the  
> output before the odd thingy, i.e.
>
> HTTP/1.x 200 OK
> Date: Thu, 02 Feb 2006 20:56:03 GMT
> Server: Apache/2.0.54 (Debian GNU/Linux) PHP/4.3.10-16
>
> Since placing a newline before any output from CgiReponse.out  
> places that new line after these three lines, so where are they  
> generated?  I can't work it out.

They are generated by Apache.  What do you get when you run  
dispatch.cgi from the command line?

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
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