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Posted to bugs@httpd.apache.org by bu...@apache.org on 2007/11/09 20:40:02 UTC
DO NOT REPLY [Bug 43830] New: - mod_deflate inconsistently compresses dynamic output from mod_jrun20 based on DirectoryIndex
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http://issues.apache.org/bugzilla/show_bug.cgi?id=43830
Summary: mod_deflate inconsistently compresses dynamic output
from mod_jrun20 based on DirectoryIndex
Product: Apache httpd-2
Version: 2.0.61
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_deflate
AssignedTo: bugs@httpd.apache.org
ReportedBy: brian-apache@vfive.com
Mod_jrun20.so is a module provided by Adobe for the ColdFusion product. It is
very similar to PHP, Ruby, etc. When enabling mod_deflate, only SOME dynamic
content is compressed while all static content is compressed.
I have enabled gzip compression with the following configuration:
<Location />
AddOutputFilterByType DEFLATE text/html text/plain text/css text/javascript
text/xml application/x-javascript
</Location>
I am unable to use SetOutputFilter DEFLATE with exceptions as we use ColdFusion
to generate files dynamically like PDF, SWF and JPG that cannot be compressed.
Using the AddOutputFilterByType, CSS and Javascript are compressed but HTML and
XML returned from ColdFusion is not.
With the help of rici on #apache, we tried adding the following configuration
options:
AddType text/html .cfm
AddOutputFilter DEFLATE cfm
First one at a time and then both together. Here is where things turn
inconsistent. Situations under which text/html is returned properly:
* HTTP/1.0 requests
* HTTP/1.0 or /1.1 requests that do not include a specific filename but resolve
to a ColdFusion file by way of "DirectoryIndex index.cfm".
All other HTML and XML pages are returned without compression. This is verified
by way of Firefox's LiveHTTPHeaders and third party site WebSiteOptimization.com.
I have enabled deflate logging that includes the initial and final response
status as well as the mime type to verify that these are being seen correctly.
Here are some examples from the log where it is working. Non-HTML content (CSS/JS):
[09/Nov/2007:10:22:55 -0800] 200 200 text/css GET /bits/css/pap.css HTTP/1.1
4792 19638 24
[09/Nov/2007:10:26:05 -0800] 200 200 application/x-javascript GET
/bits/library/jquery/1.2.1/jquery.js HTTP/1.1 14437 46179 31
text/html in both 1.0 and 1.1 without referencing the filename:
[09/Nov/2007:10:18:04 -0800] 200 200 text/html GET / HTTP/1.1 3352 9877 33
[09/Nov/2007:10:23:16 -0800] 200 200 text/html GET / HTTP/1.0 3352 9877 33
[09/Nov/2007:10:25:55 -0800] 200 200 text/html GET /pmp/ HTTP/1.1 1311 2959 44
And instances where it is not. GET with the filename specified:
[09/Nov/2007:10:18:24 -0800] 200 200 text/html GET /index.cfm HTTP/1.1 - - -
[09/Nov/2007:10:26:04 -0800] 200 200 text/html POST /pmp/index.cfm HTTP/1.1 - - -
[09/Nov/2007:10:26:14 -0800] 200 200 text/xml GET /calendar/rss.cfm?type=rss HTT
P/1.0 - - -
There may be something done incorrectly in Adobe's mod_jrun module w/r/t adding
output filters however the fact that DirectoryIndex influences the results here
indicates to me something else is going on and why I'm filing this bug.
I have the mod_jrun source available and can upload it if desired.
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DO NOT REPLY [Bug 43830] - mod_deflate inconsistently compresses dynamic output from mod_jrun20 based on DirectoryIndex
Posted by bu...@apache.org.
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sander@temme.net changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sander@temme.net
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DO NOT REPLY [Bug 43830] - mod_deflate inconsistently compresses dynamic output from mod_jrun20 based on DirectoryIndex
Posted by bu...@apache.org.
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RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
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rpluem@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
------- Additional Comments From rpluem@apache.org 2007-11-09 14:37 -------
This is a bug in mod_jrun. They are not calling ap_set_content_type to set the
content type but they assign the value directly to r->content_type.
Please do NOT attach data for which you do NOT own the copyright.
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DO NOT REPLY [Bug 43830] - mod_deflate inconsistently compresses dynamic output from mod_jrun20 based on DirectoryIndex
Posted by bu...@apache.org.
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=43830>.
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------- Additional Comments From brian-apache@vfive.com 2007-11-09 11:43 -------
Created an attachment (id=21107)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=21107&action=view)
mod_jrun source code
The mod_jrun20.so source code. Note that both Apache 1.3 and 2.0 modules are
in this zip; mod_jrun20.c is the 2.0.x version.
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