[Mediawiki-l] Error msgs in 1.9.0 + semediawiki prob

[Markus Krötzsch]

[Note that Semantic MediaWiki has a dedicated support mailing list at 
semediawiki-users at lists.sourceforge.net. I suggest to use this list for 
further discussions.]

On Sunday 14 January 2007 12:38, Robin Faichney wrote:
> I tried to install the SemanticMediaWiki extension v0.6 (current) on
> 1.9.0 and got the same symptom as I reported with a vanilla
> installation of 1.8.2 in the thread Empty pages..., ie just HTML head
> and body tags with no content.

From our prior experience, (partially) empty pages often result from PHP 
running out of memory (which, in this case, is not really SMW-specific). Try 
to set """ini_set( 'memory_limit', '20M' );""" in your LocalSettings.php.

>
> Rob Church advised in that thread to try setting $wgDisableCounters =
> true; so I tried that in this situation, despite the fact that what
> that was intended to work-around was supposedly fixed in 1.9.0. But I
> got a result: with that in place I got the error message:
>
> Fatal error: Class 'SMW_LanguageEn' not found in
> C:\Domains\intersp.org\wwwroot\extensions\SemanticMediaWiki\includes\SMW_Gl
>obalFunctions.php on line 136

Said class is defined in a file that is included at run-time (depending on 
your language setting). The "missing" class is included at runtime just a few 
lines before the problematic line 136 -- maybe the inclusion fails due to 
memory problems. Otherwise, you can check whether your file 
<SMW>/languages/SMW_LanguageEn.php is in a healthy condition.

Good luck.

Markus

>
> I've gone over the semediawiki installation instructions several times
> and I'm sure I've done everything correctly. I haven't yet looked for
> any more appropriate forum to report this problem, but I thought that
> people here might be interested in what it took to get that error
> message. Here's the MW installation report again (for 1.8.2), let me
> know if any other info would help:
>
> PHP 5.1.6 installed
> Found database drivers for: MySQL
> Warning: PHP's register_globals option is enabled. Disable it if you can.
> MediaWiki will work, but your server is more exposed to PHP-based security
> vulnerabilities. PHP server API is cgi-fcgi; using ugly URLs
> (index.php?title=Page_Title) Have XML / Latin1-UTF-8 conversion support.
> PHP is configured with no memory_limit.
> Have zlib support; enabling output compression.
> Couldn't find Turck MMCache, eAccelerator or APC. Object caching functions
> cannot be used. GNU diff3 not found.
> Found GD graphics library built-in, image thumbnailing will be enabled if
> you enable uploads. Installation directory: C:\Domains\****
> Script URI path:
> Environment checked. You can install MediaWiki.
> Warning: $wgSecretKey key is insecure, generated with mt_rand(). Consider
> changing it manually. Generating configuration file...
>
> Database type: MySQL
> Loading class: DatabaseMysql
> Attempting to connect to database server as ****...success.
> Connected to 4.1.21-community-max-nt-log
> Database **** exists
> Creating tables... using MySQL 4 table defs... done.
> Initializing data...
> Created sysop account ****.
> Initialising "MediaWiki" namespace for language code en...
> Done. Updated: 0, inserted: 1495, kept: 0.
> Creating LocalSettings.php...
>
> Installation successful! Move the config/LocalSettings.php file into the
> parent directory, then follow this link to your wiki.

-- 
Markus Krötzsch
Institute AIFB, University of Karlsruhe, D-76128 Karlsruhe
mak at aifb.uni-karlsruhe.de        phone +49 (0)721 608 7362
www.aifb.uni-karlsruhe.de/WBS/     fax +49 (0)721 693  717
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