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Impossible to uncollapose termbox
Closed, ResolvedPublic


Steps to reprodue:

Expected result:

  • You should be able to see the number of the devil in lots of languages

Actual result:

  • Nothing happens

Debug info:
I get this in my console when I load the page:

HierarchyRequestError: Node cannot be inserted at the specified point in the hierarchy

And this when I click on collapsing: TypeError: "e is undefined"

I think there's nothing we can do here, it's the devil not letting us see his number in more languages :(

Event Timeline

In my case (logged in)

HierarchyRequestError: Node cannot be inserted at the specified point in the hierarchy

happens right after page load

TypeError: "e is undefined"

upon click on "in more languages".

Bildschirmfoto von 2019-10-28 13-08-57.png (624×694 px, 88 KB)
Bildschirmfoto von 2019-10-28 13-09-11.png (624×694 px, 87 KB)

I can not observe an error (neither on load nor on click) on the respective actual mobile page.

Reminds me of T235429: Mismatched frontend JS and backend DOM should not be shipped & T235192: Bump up Termbox Cache version

Thanks for the comments @Pablo-WMDE
I think this needs to be investigated further on the camp

Talked with product and this was considered as High priority, leaning towards UBN looking at the behavior I experienced (error right on load).

My suspicion is that this is exactly the same problem that we had a few weeks ago (no ticket, yay) and opened T235261 for. This patch changes the markup and is part of the termbox pin bump that got deployed last week. I suspect that deploying the latest termbox version to the SSR fixes the problem when purging the page.

Change 546899 had a related patch set uploaded (by Jakob; owner: Jakob):
[mediawiki/extensions/Wikibase@master] Increment TermboxView::CACHE_VERSION

This is now deployed on prod. Entity pages should be fine after purge, e.g. needs to be merged (and SWATted or just let it roll in with the train?), then this should be as fixed as it gets for now.

Change 546899 merged by jenkins-bot:
[mediawiki/extensions/Wikibase@master] Increment TermboxView::CACHE_VERSION