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support regular action=purge
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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}^{*}


Version: master
Severity: normal
See Also:

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).

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.

  • Bug 72536 has been marked as a duplicate of this bug. ***

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.

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
gerritbot subscribed.

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


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

this is not important at the moment

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

Physikerwelt set Security to None.
Physikerwelt removed a project: Patch-For-Review.
Physikerwelt subscribed.

The WIP patch is not really ready for review.

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

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

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

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

Debenben claimed this task.