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SF_AutoeditAPI.php: Call to a member function formHTML() on a non-object (null)
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Description

Seeing this error on translatewiki.net a lot lately. [no req] means that it is a command line request. First observed in 2016-01-17.

2016-01-20 08:13:32 translatewiki.net translatewiki_net-bw_: [90ee8af6] [no req] BadMethodCallException from line 933 of /srv/mediawiki/tags/2016-01-19_16:04:04/extensions/SemanticForms/includes/SF_AutoeditAPI.php: Call to a member function formHTML() on a non-object (null)
#0 /srv/mediawiki/tags/2016-01-19_16:04:04/extensions/SemanticForms/includes/SF_AutoeditAPI.php(115): SFAutoeditAPI->doAction()
#1 /srv/mediawiki/tags/2016-01-19_16:04:04/extensions/SemanticForms/specials/SF_FormEdit.php(92): SFAutoeditAPI->execute()
#2 /srv/mediawiki/tags/2016-01-19_16:04:04/extensions/SemanticForms/specials/SF_FormEdit.php(43): SFFormEdit->printForm(string, string, NULL)
#3 /srv/mediawiki/tags/2016-01-19_16:04:04/includes/specialpage/SpecialPage.php(384): SFFormEdit->execute(string)
#4 /srv/mediawiki/tags/2016-01-19_16:04:04/includes/specialpage/SpecialPageFactory.php(563): SpecialPage->run(string)
#5 /srv/mediawiki/tags/2016-01-19_16:04:04/includes/MediaWiki.php(280): SpecialPageFactory::executePath(Title, RequestContext)
#6 /srv/mediawiki/tags/2016-01-19_16:04:04/includes/MediaWiki.php(738): MediaWiki->performRequest()
#7 /srv/mediawiki/tags/2016-01-19_16:04:04/includes/MediaWiki.php(510): MediaWiki->main()
#8 /srv/mediawiki/tags/2016-01-19_16:04:04/index.php(43): MediaWiki->run()
#9 {main}

Details

SubjectRepoBranchLines +/-
Move defined( 'SF_VERSION' ) down to below wfLoadExtension callmediawiki/extensions/SemanticFormsmaster+9 -10
Set global sfgFormPrintermediawiki/extensions/SemanticFormswmf/1.27.0-wmf.10+9 -2
Set global sfgFormPrintermediawiki/extensions/SemanticFormswmf/1.27.0-wmf.11+3 -3
Set global sfgFormPrintermediawiki/extensions/SemanticFormsmaster+3 -3
Customize query in gerrit

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Event Timeline

Nikerabbit created this task.Jan 20 2016, 8:31 AM
Nikerabbit raised the priority of this task from to Needs Triage.
Nikerabbit updated the task description. (Show Details)
Nikerabbit added a project: MediaWiki-extensions-Page_Forms.
Nikerabbit subscribed.
Restricted Application added subscribers: StudiesWorld, Aklapper. · View Herald TranscriptJan 20 2016, 8:31 AM
Nemo_bis added a parent task: T41480: [DO NOT USE] Issues affecting translatewiki.net [superseded by #affects-translatewiki.net].Jan 20 2016, 8:33 AM
Yaron_Koren subscribed.Jan 20 2016, 2:44 PM

Does this happen every time you go to a form, or only sometimes, or what?

The issue is that the $sfgFormPrinter global variable is not getting set. I assume this has to do with the recent change in the the code to use extension.json, but beyond that I don't know.

Nikerabbit added a comment.Jan 20 2016, 4:32 PM

I thought it comes from the job queue since there is no url for the request, but it is definitely executing a special page as if it were a request...
I am not using extension.json for SemanticForms at this time.

Foxtrott subscribed.Jan 20 2016, 7:16 PM

Getting this as well when calling .../Special:FormEdit/SomeForm

Reedy subscribed.Jan 20 2016, 8:30 PM

This is affecting Wikitech too on https://wikitech.wikimedia.org/wiki/Special:FormEdit/Tools_Access_Request

Reedy added a comment.Jan 20 2016, 8:31 PM

902 is another possible line with a problem. PhpStorm sees it as undefined too

Reedy added a comment.Jan 20 2016, 8:34 PM

I guess, it's still a stub object

reedy@ubuntu64-web-esxi:/var/www/wiki/mediawiki/extensions/SemanticForms$ grep -R sfgFormPrinter * | grep "\$sfgFormPrinter ="
includes/SF_Utils.php:				$sfgFormPrinter = new StubObject( 'sfgFormPrinter', 'SFFormPrinter' );
includes/SF_Utils.php:			$sfgFormPrinter = new StubObject( 'sfgFormPrinter', 'SFFormPrinter' );
reedy@ubuntu64-web-esxi:/var/www/wiki/mediawiki/extensions/SemanticForms$

Where is it ever assigned to anything else?

Reedy added a parent task: T123583: https://wikitech.wikimedia.org/wiki/Special:FormEdit/Tools_Access_Request down.Jan 20 2016, 8:36 PM
Reedy added a comment.Jan 20 2016, 8:38 PM

https://github.com/wikimedia/mediawiki-extensions-SemanticForms/blob/master/SemanticForms.php#L113-L121 too

gerritbot subscribed.Jan 20 2016, 8:47 PM

Change 265376 had a related patch set uploaded (by Foxtrott):
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265376

gerritbot added a project: Patch-For-Review.Jan 20 2016, 8:47 PM
gerritbot added a comment.Jan 20 2016, 9:00 PM

Change 265376 merged by jenkins-bot:
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265376

Reedy closed this task as Resolved.Jan 20 2016, 9:02 PM
Reedy assigned this task to Foxtrott.
gerritbot added a comment.Jan 20 2016, 9:04 PM

Change 265382 had a related patch set uploaded (by Reedy):
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265382

gerritbot added a comment.Jan 20 2016, 9:05 PM

Change 265382 merged by jenkins-bot:
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265382

ReleaseTaggerBot added projects: MW-1.27-release (WMF-deploy-2016-02-02_(1.27.0-wmf.12)), MW-1.27-release (WMF-deploy-2016-01-19_(1.27.0-wmf.11)).Jan 20 2016, 11:01 PM
gerritbot added a comment.Jan 20 2016, 11:53 PM

Change 265426 had a related patch set uploaded (by Reedy):
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265426

gerritbot added a comment.Jan 20 2016, 11:55 PM

Change 265426 merged by jenkins-bot:
Set global sfgFormPrinter

https://gerrit.wikimedia.org/r/265426

ReleaseTaggerBot added a project: MW-1.27-release (WMF-deploy-2016-01-12_(1.27.0-wmf.10)).Jan 21 2016, 12:00 AM
Nikerabbit reopened this task as Open.Jan 28 2016, 6:48 PM

Still happening on master. See also https://gerrit.wikimedia.org/r/#/c/265376/1/includes/SF_Utils.php

Paladox subscribed.Jan 28 2016, 8:24 PM

Seems this is an extension registration problem since we are using a callback for sfgFormPrinter. We should add configuration project.

@Nikerabbit could you test this with mediawiki 1.24 to confirm that it is indeed an extension registration problem please.

gerritbot added a comment.Jan 28 2016, 10:19 PM

Change 267161 had a related patch set uploaded (by Paladox):
Fix $sfgFormPrinter setting

https://gerrit.wikimedia.org/r/267161

Paladox added a comment.Jan 28 2016, 10:23 PM

@Nikerabbit I have now fixed the problem with the patch above. I have tested it and the errors go away with the patch.

gerritbot added a comment.Jan 29 2016, 6:49 PM

Change 267161 merged by Yaron Koren:
Move defined( 'SF_VERSION' ) down to below wfLoadExtension call

https://gerrit.wikimedia.org/r/267161

Paladox added a comment.Jan 29 2016, 8:52 PM

@Nikerabbit does the patch above work for you it was merged and should resolve the problem now.

Nikerabbit added a comment.Jan 30 2016, 8:40 PM

Yes.

Paladox added a comment.Jan 30 2016, 9:31 PM

Should this be re closed as resolved now.

Yaron_Koren closed this task as Resolved.Feb 3 2016, 3:54 AM

Closing again...

• Phabricator_maintenance edited projects, added affects-translatewiki.net; removed MW-1.27-release (WMF-deploy-2016-01-12_(1.27.0-wmf.10)), MW-1.27-release (WMF-deploy-2016-01-19_(1.27.0-wmf.11)).Sep 26 2019, 1:53 PM
• Phabricator_maintenance removed a parent task: T41480: [DO NOT USE] Issues affecting translatewiki.net [superseded by #affects-translatewiki.net].Sep 26 2019, 1:55 PM
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