Breadcrumbs disappear until cache clear for one language [#3230481]

Problem/Motivation

After deploying breadcrumbs will break depending on which language is visited first. E.g. if you visit about on spanish first after deploying then the spanish breadcrumb will be correct, but the english breadcrumb will be just `Home` This also happens in reverse if the english site is visited first after a deploy.

Clearing the cache in the ui fixes the breadcrumbs for both languages at least temporarily

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes

Comment	File	Size	Author
#5	menuBreadcrumbLanguageSupport-3230481-5.patch	1.2 KB	nicxvan

Issue fork menu_breadcrumb-3230481

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3230481-breadcrumbs-disappear-until changes, plain diff MR !6
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Comments

Comment #1

30 August 2021 at 13:54

nicxvan created an issue. See original summary.

Comment #2

30 August 2021 at 17:53

nicxvan opened merge request !6

Comment #3

nicxvan CreditAttribution: nicxvan commented 30 August 2021 at 19:49

@greg-boggs pointed me at a similar solution in easy breadcrumb. If this gets merged please include him in the credit.

Comment #4

30 August 2021 at 20:21

Greg Boggs made their first commit to this issue’s fork.

Comment #5

nicxvan CreditAttribution: nicxvan commented 31 August 2021 at 17:57

File	Size
menuBreadcrumbLanguageSupport-3230481-5.patch	1.2 KB

Here is a patch file for deployments

Comment #6

Sutharsan CreditAttribution: Sutharsan at LimoenGroen commented 9 November 2021 at 15:34

Status:

Active

» Needs work

This duplicates adding the route and url.path context. However, without this breadcrumbs still disappear occassionally.

This comment gives me an uncomfortable feeling, it sounds like a hack to me. Do we understand why the bug occurs?

Comment #7

Sutharsan CreditAttribution: Sutharsan at LimoenGroen commented 10 November 2021 at 07:31

It would be beneficial to have at least the steps to reproduce the problem, i.e. which Drupal setup. Some suggestion: Interface translation y/n, content translation y/n, menu translatable y/n, menu-items translatable y/n, url alias differs per language y/n, active trail differs per language y/n

I don't experience the problem in my set-up (yet), but I do have collected the cache contexts of the breadcrumb block (used renderviz module):

"languages:language_content",
"languages:language_interface",
"route.menu_active_trails:main",
"url.path",
"user.permissions"

Comment #8

nicxvan CreditAttribution: nicxvan commented 10 November 2021 at 14:14

Thank you for responding, I am not sure what you mean about the change being unrelated.

It is a bit hard to reproduce but I will answer your questions.

We do have some interface translation but not for breadcrumbs.
Content, menu, menu items are all translated.

The url alias is the same on both languages, but we use the path '/es' to handle language negotiation.
The active trail is the same on both.

Comment #9

nicxvan CreditAttribution: nicxvan commented 8 December 2021 at 16:11

This may not be related to the languages. I found a core bug that has the exact same behavior:

https://www.drupal.org/project/drupal/issues/2875276

If I clear the cache while on the home page then no breadcrumbs ever show up.

Comment #10

renatog

Campinas

CreditAttribution: renatog at CI&T commented 29 August 2022 at 15:27

@nicxvan do you know the steps to "how to reproduce" that?

I have a similar issue that that breadcrumb doesn't appear in some languages in production, but is working fine locally. I have a guess that is related to memcached. But I'm not really sure. I'm curious because seems to be similar

Comment #11

nicxvan CreditAttribution: nicxvan commented 1 September 2022 at 15:48

@renatoG I've never been able to fully pin down the cause. We don't use Memcache anymore so it's not likely related to that.

Comment #12

stefan.korn

German

Jossgrund

CreditAttribution: stefan.korn commented 10 February 2023 at 16:45

I also experienced this issue, little different. All of a sudden menu breadcrumb stopped working. Finally found out that it was related to facet pretty paths and Search API. There was a node that had the same URL Alias as a search display. As soon as I renamed the node and cleared the cache, menu breadcrumb was working again.

It seemed that facet pretty paths somehow added its query parameters to all node requests and thus menu breadcrumb did not find itself responsible anymore (applies method) for any nodes. Strange enough that this kills all node breadcrumbs ...