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Maniphest T74537

support regular action=purge
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Description

The first expression in the following paragraph:

Die beiden letzten Ausdrücke für <math>x_{1}^{*}</math> und <math>x_{2}^{*}</math> sind nichts anderes als die jeweiligen ''marshallschen Nachfragefunktionen nach Gut 1 bzw. Gut 2.''

is not rendered properly in MathML mode (no problems with MathJax and PNG), resulting instead in the following error message:

Fehler beim Parsen (MathML mit SVG- oder PNG-Rückgriff (empfohlen für moderne Browser und Barrierefreiheitswerkzeuge): Ungültige Antwort („<p>Fehler beim Abruf der URL: Empty reply from server </p>“) von Server „http://mathoid.svc.eqiad.wmnet:10042“:): x_{1}^{*}

(From https://de.wikipedia.org/w/index.php?title=Marshallsche_Nachfragefunktion&oldid=134992435#Beispiel_im_Zwei-G.C3.BCter-Fall)

Version: master
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=72536

Details

Reference
bz72537
SubjectRepoBranchLines +/-
Purge formulae on action=purgemediawiki/extensions/Mathmaster+8 -10
WIP: Support regular action purgemediawiki/extensions/Mathdevelop+57 -9
WIP: Support regular action purgemediawiki/extensions/Mathmaster+57 -9
Customize query in gerrit

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Event Timeline

• bzimport raised the priority of this task from to Needs Triage.Nov 22 2014, 3:51 AM
• bzimport added a project: Math.
• bzimport set Reference to bz72537.
• bzimport added a subscriber: Unknown Object (MLST).
pajz created this task.Oct 26 2014, 5:28 PM
Aklapper added a comment.Oct 26 2014, 6:18 PM

I've enabled "MathML mit SVG- oder PNG-Rückgriff" on https://de.wikipedia.org/wiki/Spezial:Einstellungen#mw-prefsection-rendering and can confirm this on
https://de.wikipedia.org/w/index.php?title=Marshallsche_Nachfragefunktion&oldid=134992435#Beispiel_im_Zwei-G.C3.BCter-Fall

Slightly confused that passing uselang=en in https://de.wikipedia.org/w/index.php?title=Marshallsche_Nachfragefunktion&uselang=en&oldid=134992435#Beispiel_im_Zwei-G.C3.BCter-Fall does not expose the problem.

• GWicke added a comment.Oct 26 2014, 6:59 PM

This looks like a math caching problem to me, as purging that page with ?action=purge&mathpurge=true clears it. (The mathpurge=true bit is currently necessary as the math extension doesn't seem to properly get access to the action parameter; hopefully that can be dropped soon.)

The Math extension stores rendered math in the database. I think it should not do this if there was a (temporary) error from the backend server. I'm re-titling this bug to mention both issues.

• GWicke added a comment.Oct 26 2014, 7:04 PM
  • Bug 72536 has been marked as a duplicate of this bug. ***
Aklapper added a comment.Oct 31 2014, 10:00 PM

I saw the same issue again on https://de.wikipedia.org/wiki/Potenzmengenkonstruktion#Automat_zum_regul.C3.A4ren_Ausdruck_.0A.0A_.0A_.28.0A_a.0A_.0A_.7C.0A_.0A_b.0A_.29.0A_.0A_.0A_.0A_.E2.88.97.0A_.0A_a.0A_b.0A_a (first cell in second table) and ?action=purge&mathpurge=true indeed fixed it.

• bzimport added a comment.Nov 2 2014, 11:59 PM

physik wrote:

If there is an error on the page nothing should be stored in the database. So I would be surprised if normal &acition=purge would not be sufficient in this situation.
Quite a few people tried to implement the access to the purge parameter. All failed. So I think this should be a bug on it's own.

• bzimport added a comment.Nov 3 2014, 12:00 AM

physik wrote:

See MathRenderer.php l 520 ff

		// TODO: Figure out if ?action=purge
		// $action = $request->getText('action'); //always returns ''
		// until this issue is resolved we use ?mathpurge=true instead
Physikerwelt moved this task from Inbox to Next-up on the Math board.Dec 9 2014, 3:47 AM
gerritbot added a project: Patch-For-Review.Feb 9 2015, 9:46 AM
gerritbot subscribed.

Change 189448 had a related patch set uploaded (by Physikerwelt):
Support regular action purge

https://gerrit.wikimedia.org/r/189448

Patch-For-Review

gerritbot added a comment.Mar 16 2015, 10:44 PM

Change 189448 abandoned by Physikerwelt:
WIP: Support regular action purge

Reason:
this is not important at the moment

https://gerrit.wikimedia.org/r/189448

gerritbot added a comment.Mar 16 2015, 10:52 PM

Change 197242 had a related patch set uploaded (by Physikerwelt):
WIP: Support regular action purge

https://gerrit.wikimedia.org/r/197242

Physikerwelt triaged this task as Medium priority.Mar 20 2015, 2:59 PM
Physikerwelt set Security to None.
Physikerwelt removed a project: Patch-For-Review.
Physikerwelt subscribed.

The WIP patch is not really ready for review.

Physikerwelt mentioned this in T106940: Not all Sans serif Greek appear in SVG mode.Jul 26 2015, 9:15 AM
Physikerwelt moved this task from Next-up to Blocked: needs help on the Math board.Feb 2 2016, 4:52 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 2 2016, 4:52 PM
Physikerwelt moved this task from Blocked: needs help to Inbox on the Math board.Feb 18 2016, 11:47 AM
gerritbot added a comment.May 23 2016, 9:07 PM

Change 197242 abandoned by Physikerwelt:
WIP: Support regular action purge

Reason:
purge does not work anymore for math anyhow since cache is now handled by restbase

https://gerrit.wikimedia.org/r/197242

Danny_B mentioned this in T135170: Require POST in ?action=purge.May 25 2016, 4:38 PM
jayvdb subscribed.May 26 2016, 2:52 AM
Jdforrester-WMF subscribed.Jun 29 2016, 9:35 PM

Is this now Invalid, then?

Liuxinyu970226 subscribed.Jul 13 2016, 6:04 AM
Liuxinyu970226 unsubscribed.
gerritbot added a comment.Mar 15 2017, 6:20 PM

Change 342869 had a related patch set uploaded (by Physikerwelt):
[mediawiki/extensions/Math] Purge formulae on action=purge

https://gerrit.wikimedia.org/r/342869

gerritbot added a project: Patch-For-Review.Mar 15 2017, 6:20 PM
gerritbot added a comment.May 30 2017, 8:55 PM

Change 342869 merged by jenkins-bot:
[mediawiki/extensions/Math@master] Purge formulae on action=purge

https://gerrit.wikimedia.org/r/342869

ReleaseTaggerBot added a project: MW-1.30-release-notes (WMF-deploy-2017-06-06_(1.30.0-wmf.4)).May 30 2017, 9:00 PM
Debenben closed this task as Resolved.Nov 11 2018, 7:36 PM
Debenben claimed this task.
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