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Error: Call to a member function getId() on null
Closed, ResolvedPublicPRODUCTION ERROR

Description

Error
normalized_message
[{reqId}] {exception_url}   Error: Call to a member function getId() on null
exception.trace
from /srv/mediawiki/php-1.37.0-wmf.5/includes/changetags/ChangeTagsRevisionList.php(48)
#0 /srv/mediawiki/php-1.37.0-wmf.5/includes/revisionlist/RevisionListBase.php(109): ChangeTagsRevisionList->doQuery(Wikimedia\Rdbms\MaintainableDBConnRef)
#1 /srv/mediawiki/php-1.37.0-wmf.5/includes/specials/SpecialEditTags.php(244): RevisionListBase->reset()
#2 /srv/mediawiki/php-1.37.0-wmf.5/includes/specials/SpecialEditTags.php(158): SpecialEditTags->showForm()
#3 /srv/mediawiki/php-1.37.0-wmf.5/includes/specialpage/SpecialPage.php(646): SpecialEditTags->execute(string)
#4 /srv/mediawiki/php-1.37.0-wmf.5/includes/actions/SpecialPageAction.php(81): SpecialPage->run(string)
#5 /srv/mediawiki/php-1.37.0-wmf.5/includes/MediaWiki.php(535): SpecialPageAction->show()
#6 /srv/mediawiki/php-1.37.0-wmf.5/includes/MediaWiki.php(319): MediaWiki->performAction(Article, Title)
#7 /srv/mediawiki/php-1.37.0-wmf.5/includes/MediaWiki.php(916): MediaWiki->performRequest()
#8 /srv/mediawiki/php-1.37.0-wmf.5/includes/MediaWiki.php(550): MediaWiki->main()
#9 /srv/mediawiki/php-1.37.0-wmf.5/index.php(53): MediaWiki->run()
#10 /srv/mediawiki/php-1.37.0-wmf.5/index.php(46): wfIndexMain()
#11 /srv/mediawiki/w/index.php(3): require(string)
#12 {main}
Notes

These have been appearing slowly but steadily since 2021-05-13 (week of wmf.5 rollout). Possibly related to T283098

Details

Request URL
https://ja.wikipedia.org/w/index.php?title=*&action=editchangetags&type=*&ids%5B83436212%5D=*&ids%5B83240571%5D=*

Event Timeline

Change 692685 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@master] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692685

Caused by https://gerrit.wikimedia.org/r/c/mediawiki/core/+/685570. This error arises directly as a result of the error described in T283098.

Change 692685 merged by jenkins-bot:

[mediawiki/core@master] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692685

Change 692654 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@wmf/1.37.0-wmf.5] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692654

Change 692655 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@wmf/1.37.0-wmf.6] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692655

Reedy triaged this task as High priority.May 19 2021, 2:41 AM

Change 692655 merged by jenkins-bot:

[mediawiki/core@wmf/1.37.0-wmf.6] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692655

Change 692654 merged by jenkins-bot:

[mediawiki/core@wmf/1.37.0-wmf.5] Fix call to non-existent var

https://gerrit.wikimedia.org/r/692654

Mentioned in SAL (#wikimedia-operations) [2021-05-19T03:01:47Z] <reedy@deploy1002> Synchronized php-1.37.0-wmf.6/includes/changetags/ChangeTagsRevisionList.php: T283098 T283099 (duration: 02m 35s)

Mentioned in SAL (#wikimedia-operations) [2021-05-19T03:03:10Z] <reedy@deploy1002> Synchronized php-1.37.0-wmf.5/includes/changetags/ChangeTagsRevisionList.php: T283098 T283099 (duration: 01m 05s)