Indeed, the wiki actually works fine after simply removing the
|define('MW_INSTALL_PATH'| line. And the |purgeList.php| command doesn't
complain anymore.
Thank you!
MI
-------- Original Message -------- (Thomas Eugene Bishop, 11/11/2025 18.05)
According to https://www.mediawiki.org/wiki/Manual:LocalSettings.php ,
"The $IP (install path) variable holds the local file path to the base
installation of your wiki. Since MediaWiki 1.18, the system sets $IP
automatically. Setting $IP manually in LocalSettings.php is no longer
needed. $IP will default to the current working directory and can be
used without the need to manually define it. Attempting to set $IP (or
MW_INSTALL_PATH) in LocalSettings.php may produce unexpected results.”
Maybe it would work simply to remove the line with MW_INSTALL_PATH
from LocalSettings.php.
Good luck!
Tom
On Nov 11, 2025, at 7:22 AM, MI <[email protected]> wrote:
Thanks. I had checked that, and it's not defined twice.
-------- Original Message -------- (Zoran Dori, 11/11/2025 12.32)
Hello,
I suggest checking if `MW_INSTALL_PATH` is defined twice in your
`LocalSettings.php`. This could be causing the warning you’re seeing.
Best regards,
Zoran
уто, 11. нов 2025. у 12:18 MI <[email protected]> је написао/ла:
Since I upgraded mediawiki from v. 1.35 to v. 1.39, I get this
error when running a script to purge the cache.
The command producing the error is
echo "Main_Page" | php /usr/share/mediawiki/maintenance/purgeList.php
The full error is
PHP Warning: Constant MW_INSTALL_PATH already defined in
/etc/mediawiki/LocalSettings.php on line 25
Indeed I have this on lines 21 to 25 in LocalSettings.php:
# We define this to allow the configuration file to be explicitly.
# located in /etc/mediawiki.
# Change this if you are setting up multisite wikis on your server.
define('MW_INSTALL_PATH','/docs/www-wiki');
I had this through many MW versions over the years, and I don't
think I can remove it.
How can I get rid of this error? (The purge script runs every
night from crontab, so I get a mail every day with this "error".
And of course I don't want to just suppress any errors by
redirecting stderr)
Thanks,
MI
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