From testing on beta, extract2.php seemingly makes quite a bit of noise
Warning: Cannot modify header information - headers already sent by (output started at /data/project/apache/common-local/php-master/includes/WebStart.php:79) in /data/project/apache/common-local/wmf-config/CommonSettings.php on line 23
Warning: Cannot modify header information - headers already sent by (output started at /data/project/apache/common-local/php-master/includes/WebStart.php:79) in /data/project/apache/common-local/extract2.php on line 37
(10.4.0.166)
Warning: Cannot modify header information - headers already sent by (output started at /data/project/apache/common-local/php-master/includes/WebStart.php:79) in /data/project/apache/common-local/extract2.php on line 38
(10.4.0.166)
Warning: Cannot modify header information - headers already sent by (output started at /data/project/apache/common-local/php-master/includes/WebStart.php:79) in /data/project/apache/common-local/extract2.php on line 39
Presumably the CommonSettings.php one affects all requests?
1 NOTICE already fixed (but not merged/deployed etc) in https://gerrit.wikimedia.org/r/#/c/92800/
Notice: Constant MEDIAWIKI already defined in /data/project/apache/common-local/php-master/includes/WebStart.php on line 79
Version: wmf-deployment
Severity: normal