https://bugzilla.wikimedia.org/show_bug.cgi?id=42166
Web browser: ---
Bug #: 42166
Summary: Should not return 200 on errors by default
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: ResourceLoader
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
Mobile Platform: ---
So, we had the following incident a few moments ago:
An Apache on the fleet was misconfigured, with wrong permissions in at least
/wmf-config/.
Random bits hits for some CSS (e.g. for it.wp) ended up on this Apache, which
returned a page full of CSS comments with DBConnectionError ('DB connection
error: Can't connect to local MySQL server through socket
'/var/run/mysqld/mysqld.sock' (2) (localhost)' in
/usr/local/apache/common-local/php-1.21wmf3/includes/db/Database.php:797),
since no configuration, database or otherwise, was readable or defined.
The problem is that this CSS full of exceptions and no actual content was
returned with a 200 status code and subsequently cached in Squid and Varnish.
Fortunately the TTL for those is short, and the site recovered quickly.
Could you please adjust it so that 500s are raised on such cases?
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