https://issues.apache.org/bugzilla/show_bug.cgi?id=51057
Summary: mod_disk_cache does not cache URL ending in a trailing
forward slash (when DirectoryIndex resource is used)
Product: Apache httpd-2
Version: 2.2.3
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_disk_cache
AssignedTo: [email protected]
ReportedBy: [email protected]
Dear DEV Guru's,
This URL is cached by mod_disk_cache (see debug logs below):
http://www.t1shopper.com/mod_disk_cache_bug/index.php
This isn't cached (see debug logs below):
http://www.t1shopper.com/mod_disk_cache_bug/
This also impacts query strings for example
/mod_disk_cache_bug/index.php?monkey=happy would be cached but
/mod_disk_cache_bug/?monkey=unhappy is not cached.
I guessing this bug is caused by the way mod_dir is internally handling the
DirectoryIndex page (index.php or index.html, etc) - I suppose it's bypassing
mod_cache.
The documentation doesn't indicate this behavior is by design. May I suggest
we either call this out in the docs or fix it.
Thanks,
Geoff Millikan
---= Log showing page being written to host's cache =---
mod_cache.c(131): Adding CACHE_SAVE filter for /mod_disk_cache_bug/index.php
mod_cache.c(138): Adding CACHE_REMOVE_URL filter for
/mod_disk_cache_bug/index.php
mod_deflate.c(602): Zlib: Compressed 19 to 21 : URL
/mod_disk_cache_bug/index.php
mod_headers.c(663): headers: ap_headers_output_filter()
mod_cache.c(639): cache: Caching url: /mod_disk_cache_bug/index.php
mod_cache.c(645): cache: Removing CACHE_REMOVE_URL filter.
mod_disk_cache.c(962): disk_cache: Stored headers for URL
http://www.t1shopper.com:80/mod_disk_cache_bug/index.php?
mod_disk_cache.c(1051): disk_cache: Body for URL
http://www.t1shopper.com:80/mod_disk_cache_bug/index.php? cached.
---= Log showing page served from host cache to client =---
mod_disk_cache.c(476): disk_cache: Recalled cached URL info header
http://www.t1shopper.com:80/mod_disk_cache_bug/index.php?
mod_disk_cache.c(749): disk_cache: Recalled headers for URL
http://www.t1shopper.com:80/mod_disk_cache_bug/index.php?
mod_cache.c(282): cache: running CACHE_OUT filter
mod_cache.c(296): cache: serving /mod_disk_cache_bug/index.php
---= Log showing "forward slash page" not served to client =---
mod_cache.c(131): Adding CACHE_SAVE filter for /mod_disk_cache_bug/
mod_cache.c(138): Adding CACHE_REMOVE_URL filter for /mod_disk_cache_bug/
mod_deflate.c(602): Zlib: Compressed 19 to 21 : URL
/mod_disk_cache_bug/index.php
---= Here's the config =---
LoadModule disk_cache_module modules/mod_disk_cache.so
CacheRoot /var/httpd/proxy/
CacheEnable disk /
CacheDisable /i
CacheMaxFileSize 500000
CacheMinFileSize 1
CacheDirLevels 4
CacheDirLength 2
CacheIgnoreCacheControl Off
CacheIgnoreNoLastMod Off
CacheIgnoreHeaders Set-Cookie
CacheLastModifiedFactor 30
CacheMaxExpire 2592000
CacheDefaultExpire 2592000
---= Version =---
httpd-2.2.3-45.el5.centos.x86_64.rpm
Server built: Jan 31 2011 17:50:30
Linux 2.6.18-238.5.1.el5 x86_64 x86_64
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