This morning we began testing for the upgrade from MediaWiki 1.34.0 MediaWiki 1.35.0, but after upgrading, the Special:Version special page complains about not being able to modify header information, as well as trying but assumedly failing to access values in "ComposerInstalled.php".
Here is the whole log:
[26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:40:29 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: name in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: version in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Undefined index: type in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 30 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 31 [26-Sep-2020 10:42:26 UTC] PHP Notice: Trying to access array offset on value of type bool in /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php on line 32 [26-Sep-2020 10:42:26 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php:32) in /Users/Minoa/Sites/wiki.minoa/w/includes/WebResponse.php on line 74 [26-Sep-2020 10:42:26 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php:32) in /Users/Minoa/Sites/wiki.minoa/w/includes/WebResponse.php on line 74 [26-Sep-2020 10:42:26 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php:32) in /Users/Minoa/Sites/wiki.minoa/w/includes/WebResponse.php on line 74 [26-Sep-2020 10:42:26 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php:32) in /Users/Minoa/Sites/wiki.minoa/w/includes/WebResponse.php on line 74 [26-Sep-2020 10:42:26 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /Users/Minoa/Sites/wiki.minoa/w/includes/libs/composer/ComposerInstalled.php:32) in /Users/Minoa/Sites/wiki.minoa/w/includes/WebResponse.php on line 74
- MySQL 5.7.26
- PHP 7.4.2
I am keen to resolve this error so that it does not overwhelm the PHP error logs. Just to clarify, I have updated all the extensions to be compatible with 1.35: the extra extensions are: Disambiguator, GeoData, LabeledSectionTransclusion, MobileFrontend, TemplateStyles, TimedMediaHandler, AbuseFilter, AntiSpoof, CheckUser, ConfirmAccount, DismissableSiteNotice, Echo, SandboxLink, UploadsLink, UserMerge.