[Mediawiki-l] Strange problem with search

Wed Jun 11 09:18:58 UTC 2008

I'm getting a "white screen of death". Here's the info from log file:

Main cache: FakeMemCachedClient
Message cache: MediaWikiBagOStuff
Parser cache: MediaWikiBagOStuff
Unstubbing $wgParser on call of $wgParser->setHook from wfFlashMP3
Unstubbing $wgMessageCache on call of $wgMessageCache->addMessages from
efNewestPages
Unstubbing $wgContLang on call of $wgContLang->getMagic from
MagicWord::load
Unstubbing $wgLang on call of $wgLang->getCode from smwfInitMessages
Unstubbing $wgUser on call of $wgUser->getOption from
StubUserLang::_newObject
Language::loadLocalisation(): got localisation for en from source
Unstubbing $wgLoadBalancer on call of $wgLoadBalancer->getConnection
from wfGetDB
IP: 192.168.62.1
MessageCache::load(): got from global cache
Unstubbing $wgOut on call of $wgOut->addScript from TreeView4::addJS
Fully initialised
Request ended normally

Start request
GET /sunwiki/?search=transaction&fulltext=Search
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
application/x-shockwave-flash, */*
Referer: http://sbsws469/sunwiki/?title=Main_Page
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET
CLR 1.1.4322)
Host: sbsws469
Connection: Keep-Alive

Main cache: FakeMemCachedClient
Message cache: MediaWikiBagOStuff
Parser cache: MediaWikiBagOStuff
Unstubbing $wgParser on call of $wgParser->setHook from wfFlashMP3
Unstubbing $wgMessageCache on call of $wgMessageCache->addMessages from
efNewestPages
Unstubbing $wgContLang on call of $wgContLang->getMagic from
MagicWord::load
Unstubbing $wgLang on call of $wgLang->getCode from smwfInitMessages
Unstubbing $wgUser on call of $wgUser->getOption from
StubUserLang::_newObject
Language::loadLocalisation(): got localisation for en from source
Unstubbing $wgLoadBalancer on call of $wgLoadBalancer->getConnection
from wfGetDB
IP: 192.168.62.1
MessageCache::load(): got from global cache
Unstubbing $wgOut on call of $wgOut->addScript from TreeView4::addJS
Fully initialised
Would search with '+transaction'
Match with /\btransaction\b/
Would search with '+transaction'
Match with /\btransaction\b/ 

Regards,

Jack
----------------------------------------------------------------
"May He protect us both. May He cause us both to enjoy.May we exert
together. May our studies become brilliant. May we not hate each other"

-----Original Message-----
From: mediawiki-l-bounces at lists.wikimedia.org
[mailto:mediawiki-l-bounces at lists.wikimedia.org] On Behalf Of Jim Hu
Sent: Wednesday, June 11, 2008 5:01 AM
To: MediaWiki announcements and site admin list
Subject: Re: [Mediawiki-l] Strange problem with search

Anything in the error logs when you get the blank page?  And by blank to
you mean white screen of death or blank wiki skin with no content?

Jim

On Jun 9, 2008, at 2:07 AM, Jack Eapen C wrote:

>
> Hi,
>
> Mod_security is not enabled in my server -i.e I checked the httpd.conf

> file and the apache modules folder. Reference to the particulat module

> is not in the conf file and the mod-security.so file is not in the 
> folder. Any other hints, plz?
>
>
> Regards,
>
> Jack
> ----------------------------------------------------------------
> "May He protect us both. May He cause us both to enjoy.May we exert 
> together. May our studies become brilliant. May we not hate each 
> other"
>
>
> -----Original Message-----
> From: mediawiki-l-bounces at lists.wikimedia.org
> [mailto:mediawiki-l-bounces at lists.wikimedia.org] On Behalf Of Brion 
> Vibber
> Sent: Friday, June 06, 2008 12:27 AM
> To: MediaWiki announcements and site admin list
> Subject: Re: [Mediawiki-l] Strange problem with search
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Jack Eapen C wrote:
>> When I search with SOME keywords, my production wiki returns a 
>> "blank"
>> page. If I use the same words on the test wiki, no probs-results are 
>> returned (content in both wikis are same). Some of the problematic 
>> words are "transaction" (transaction backout has no problem), 
>> function, cards (plastic cards is fine), account etc.
>
> Sounds like one of those "security" plugins for your web server, 
> perhaps mod_security.
>
> It's set in an overprotective mode that freaks out and denies access 
> when it sees bits of text coming through the form submission that it 
> thinks are indicative of an SQL or code injection attack.
>
> Contact your system administrator and let them know they've 
> misconfigured the software and should back it out to more reasonable 
> settings.
>
> - -- brion vibber (brion @ wikimedia.org) -----BEGIN PGP
> SIGNATURE-----
> Version: GnuPG v1.4.8 (Darwin)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
> iEYEARECAAYFAkhINxkACgkQwRnhpk1wk47kngCgvrQx86kyR1mt71unPhvz+piA
> oKkAnR3rnrecJq3COq8NvVtkA0KIQM0Y
> =AoIU
> -----END PGP SIGNATURE-----
>
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=====================================
Jim Hu
Associate Professor
Dept. of Biochemistry and Biophysics
2128 TAMU
Texas A&M Univ.
College Station, TX 77843-2128
979-862-4054

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