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issue with XSLT [0.8.x]

July 16, 2009 04:19PM
I'm having a weird issue with the XSLT module in nginx: after some random time, requesting an XSLT-transformed URL generates 500-errors. The errorlog tells me that the XML-document is not well formed, which it is.

It seems to be similar to an issue raised on the Russian maillinglist (http://www.lexa.ru/nginx-ru/msg25325.html ), although I'm not using FastCGI but just use static XML files as input for the XSLT-engine.

Running an strace or debugging with http_debug doesn't show anything weird as far as I can tell:
[code]
2009/07/16 21:49:34 [debug] 16452#0: *65 http cl:-1 max:1048576
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 2
2009/07/16 21:49:34 [debug] 16452#0: *65 post rewrite phase: 3
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 4
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 5
2009/07/16 21:49:34 [debug] 16452#0: *65 access phase: 6
2009/07/16 21:49:34 [debug] 16452#0: *65 access phase: 7
2009/07/16 21:49:34 [debug] 16452#0: *65 post access phase: 8
2009/07/16 21:49:34 [debug] 16452#0: *65 content phase: 9
2009/07/16 21:49:34 [debug] 16452#0: *65 open index "/var/www/allyourbass.org/htdocs/index.xml"
2009/07/16 21:49:34 [debug] 16452#0: *65 internal redirect: "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 http cl:-1 max:1048576
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 2
2009/07/16 21:49:34 [debug] 16452#0: *65 post rewrite phase: 3
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 4
2009/07/16 21:49:34 [debug] 16452#0: *65 generic phase: 5
2009/07/16 21:49:34 [debug] 16452#0: *65 access phase: 6
2009/07/16 21:49:34 [debug] 16452#0: *65 access phase: 7
2009/07/16 21:49:34 [debug] 16452#0: *65 post access phase: 8
2009/07/16 21:49:34 [debug] 16452#0: *65 content phase: 9
2009/07/16 21:49:34 [debug] 16452#0: *65 content phase: 10
2009/07/16 21:49:34 [debug] 16452#0: *65 content phase: 11
2009/07/16 21:49:34 [debug] 16452#0: *65 http filename: "/var/www/allyourbass.org/htdocs/index.xml"
2009/07/16 21:49:34 [debug] 16452#0: *65 http static fd: 16
2009/07/16 21:49:34 [debug] 16452#0: *65 http set discard body
2009/07/16 21:49:34 [debug] 16452#0: *65 xslt filter header
2009/07/16 21:49:34 [debug] 16452#0: *65 http output filter "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 copy filter: "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 xslt filter body
2009/07/16 21:49:34 [error] 16452#0: *65 not well formed XML document while sending response to client, client: 83.161.41.147, server: klep.name, request: "GET / HTTP/1.1", host: "klep.name"
2009/07/16 21:49:34 [debug] 16452#0: *65 http special response: 500, "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 http set discard body
2009/07/16 21:49:34 [debug] 16452#0: *65 xslt filter header
2009/07/16 21:49:34 [debug] 16452#0: *65 HTTP/1.1 500 Internal Server Error
Server: nginx/0.8.5
Date: Thu, 16 Jul 2009 19:49:34 GMT
Content-Type: text/html
Content-Length: 192
Connection: close

2009/07/16 21:49:34 [debug] 16452#0: *65 http write filter: l:0 f:0 s:161
2009/07/16 21:49:34 [debug] 16452#0: *65 http output filter "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 copy filter: "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 xslt filter body
2009/07/16 21:49:34 [debug] 16452#0: *65 http postpone filter "/index.xml?" 098EDFE0
2009/07/16 21:49:34 [debug] 16452#0: *65 http write filter: l:1 f:0 s:353
2009/07/16 21:49:34 [debug] 16452#0: *65 http write filter limit 0
2009/07/16 21:49:34 [debug] 16452#0: *65 http write filter 00000000
2009/07/16 21:49:34 [debug] 16452#0: *65 copy filter: 0 "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 copy filter: -1 "/index.xml?"
2009/07/16 21:49:34 [debug] 16452#0: *65 http finalize request: -1, "/index.xml?" 1
2009/07/16 21:49:34 [debug] 16452#0: *65 http close request
2009/07/16 21:49:34 [debug] 16452#0: *65 http log handler
2009/07/16 21:49:34 [debug] 16452#0: *65 close http connection: 15
[/code]

Some more info
[code]
$ nginx -V
nginx version: nginx/0.8.5
configure arguments: --with-http_xslt_module --with-mail --http-client-body-temp-path=/tmp/nginx/client-body-temp/ --http-proxy-temp-path=/tmp/nginx/proxy-temp/ --http-fastcgi-temp-path=/tmp/nginx/fastcgi-temp/ --with-md5-asm --with-sha1-asm --with-http_ssl_module --with-http_perl_module --with-http_sub_module --with-http_secure_link_module --prefix=/usr --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --pid-path=/var/run/nginx.pid --http-log-path=/var/log/nginx/access.log --with-debug
[/code]

[code]
$ uname -a
Linux webserver 2.6.26-1-openvz-686 #1 SMP Sat Nov 8 21:19:32 UTC 2008 i686 GNU/Linux
[/code]

Does anyone have any idea what might be the issue? I've looked through the code of the module but nothing strikes me as obviously wrong.

Regards,
Robert
Subject Author Posted

issue with XSLT [0.8.x]

valve July 16, 2009 04:19PM

Re: issue with XSLT [0.8.x]

Kuramoto Eiji July 16, 2009 10:14PM

Re: issue with XSLT [0.8.x]

Maxim Dounin July 16, 2009 11:16PM

Re: issue with XSLT [0.8.x]

valve July 17, 2009 02:34AM

Re: issue with XSLT [0.8.x]

valve July 19, 2009 06:18AM

Re: issue with XSLT [0.8.x]

Maxim Dounin July 16, 2009 10:23PM



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