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Maniphest T115

Bug with CheckUser extension
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Description

Problem: When getting users for an IP address or IP address range, this occurs:

[5a54dbf916d70d373189953f] /wiki/Special:CheckUser InvalidArgumentException: Cannot create a user with no name, no ID, and no actor ID

Backtrace:

from /var/www/html/includes/user/UserFactory.php(263)
#0 /var/www/html/includes/user/UserFactory.php(199): MediaWiki\User\UserFactory->newFromAnyId()
#1 /var/www/html/extensions/CheckUser/src/CheckUser/Pagers/CheckUserGetUsersPager.php(193): MediaWiki\User\UserFactory->newFromUserIdentity()
#2 /var/www/html/extensions/CheckUser/src/CheckUser/Pagers/CheckUserGetUsersPager.php(167): MediaWiki\CheckUser\CheckUser\Pagers\CheckUserGetUsersPager->formatUserRow()
#3 /var/www/html/extensions/CheckUser/src/CheckUser/SpecialCheckUser.php(435): MediaWiki\CheckUser\CheckUser\Pagers\CheckUserGetUsersPager->getBody()
#4 /var/www/html/includes/specialpage/SpecialPage.php(719): MediaWiki\CheckUser\CheckUser\SpecialCheckUser->execute()
#5 /var/www/html/includes/specialpage/SpecialPageFactory.php(1669): MediaWiki\SpecialPage\SpecialPage->run()
#6 /var/www/html/includes/actions/ActionEntryPoint.php(504): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#7 /var/www/html/includes/actions/ActionEntryPoint.php(145): MediaWiki\Actions\ActionEntryPoint->performRequest()
#8 /var/www/html/includes/MediaWikiEntryPoint.php(199): MediaWiki\Actions\ActionEntryPoint->execute()
#9 /var/www/html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#10 {main}

[95f3da58548e2a9b80b5b14d] /wiki/Special:CheckUser TypeError: MediaWiki\User\UserIdentityValue::__construct(): Argument #2 ($name) must be of type string, null given, called in /var/www/html/extensions/CheckUser/src/CheckUser/Pagers/CheckUserGetActionsPager.php on line 686

When getting actions, this error occurs:

Backtrace:

from /var/www/html/includes/user/UserIdentityValue.php(60)
#0 /var/www/html/extensions/CheckUser/src/CheckUser/Pagers/CheckUserGetActionsPager.php(686): MediaWiki\User\UserIdentityValue->__construct()
#1 /var/www/html/includes/pager/IndexPager.php(297): MediaWiki\CheckUser\CheckUser\Pagers\CheckUserGetActionsPager->preprocessResults()
#2 /var/www/html/includes/pager/IndexPager.php(571): MediaWiki\Pager\IndexPager->doQuery()
#3 /var/www/html/extensions/CheckUser/src/CheckUser/SpecialCheckUser.php(408): MediaWiki\Pager\IndexPager->getBody()
#4 /var/www/html/includes/specialpage/SpecialPage.php(719): MediaWiki\CheckUser\CheckUser\SpecialCheckUser->execute()
#5 /var/www/html/includes/specialpage/SpecialPageFactory.php(1669): MediaWiki\SpecialPage\SpecialPage->run()
#6 /var/www/html/includes/actions/ActionEntryPoint.php(504): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#7 /var/www/html/includes/actions/ActionEntryPoint.php(145): MediaWiki\Actions\ActionEntryPoint->performRequest()
#8 /var/www/html/includes/MediaWikiEntryPoint.php(199): MediaWiki\Actions\ActionEntryPoint->execute()
#9 /var/www/html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#10 {main}

Details

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Event Timeline

Dmehus created this task.Mon, Oct 21, 12:03 PM
Herald added subscribers: Justarandomamerican, MacFan4000. · View Herald TranscriptMon, Oct 21, 12:03 PM
Dmehus updated the task description. (Show Details)Mon, Oct 21, 12:05 PM
Justarandomamerican signed these changes with MFA.Mon, Oct 21, 12:22 PM
Justarandomamerican triaged this task as Low priority.

Problem is localized to the IP and account of Nexovia.

Dmehus added a comment.Mon, Oct 21, 12:27 PM

Weird, for a specific IP address. Any idea what's causing this? Is there an upstream ticket on Wikimedia Phabricator?

Justarandomamerican added a comment.EditedMon, Oct 21, 12:29 PM

I think it might be a bug in the UserMerge extension, which was previously used to merge Nexovia and The woman into one, and delete Nexovia.

Harvici subscribed.Mon, Oct 21, 12:45 PM

@Justarandomamerican I believe you should update the database, as it is possible that some references to the old user were not updated properly in the database

Dmehus added a comment.Tue, Oct 22, 2:15 AM
In T115#2086, @Harvici wrote:

@Justarandomamerican I believe you should update the database, as it is possible that some references to the old user were not updated properly in the database

Ah, good thought.

Dmehus added a comment.Tue, Oct 22, 2:16 AM
In T115#2084, @Justarandomamerican wrote:

I think it might be a bug in the UserMerge extension, which was previously used to merge Nexovia and The woman into one, and delete Nexovia.

Ah, that might do it, since UserMerge isn't used much anymore; it may not be compatible with the latest iterations of CheckUser.

I didn't even know we still had UserMerge on Test Wiki. I do like it for merging multiple vandal accounts into one.