[Mediawiki-l] Texvc problem

Suman Chakrabarty suman at sscu.iisc.ernet.in
Thu May 24 21:01:21 UTC 2007

Still it does not work. I have default value set to $wgUploadDirectory. 
I told previously that assigning world (777) write permission to the 
'images' folder and subfolders does not work either.

It seems to be common problem. Many Google search results with the 
string "Failed to parse (Can't write to or create math temp directory):" 
leads to pages, where they are showing the same string as error only ! I 
guess it requires further attention.


Jens Vieler wrote:
> hi suman,
> Suman Chakrabarty schrieb:
>> I am coming back with this problem again ! texvc works fine in command 
>> line for me. e.g. when I am at 'images' folder in my wiki-home, and 
>> issue the command '../math/texvc ./tmp/ ./math/ "y=x+2" iso-8859-1', the 
>> correct png file is getting generated in the ./math/ folder. But, in the 
>> wiki, any content inside the math tags, show:
>> *Failed to parse (Can't write to or create math temp directory): n=0*
>> Both math and tmp folders have world write permissions.
> two hints:
> 1.) do you use $wgUploadDirectory in your LocalSettings and set it to 
> another dir than the expected ~/wiki/images ?
> 2.) do you use the apache-user in command line? different users, 
> different permissions! perhaps your command-line-user has write-perms 
> while apache-user not. try 'chmod -R 777 images images/math images/tmp'. 
> if this works, reduce permissions or ownerships to what you raelly need.
> after all a had a also a problem with the standard-pathes to latex's 
> dvipng (i dont use imagemagic), but that's another story ...
> jens
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