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Maniphest T284397

Unhandled Exception ("RuntimeException"): Undefined offset: 5 when trying to access T16235
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Description

I'm trying to view a (very old) T16235 but Phabricator only prints:

Unhandled Exception ("RuntimeException")	
Undefined offset: 5

This very task is e.g. cited by @3BRBS and here the title of that task and two tags are being printed, so Phabricator seems to know that this task exists, but refuses to display the same:

T16235 Template misses its parameter when containing a link with "=" (equal sign) character in the URL, or HTML attributes
tags: MediaWiki-TemplatesMediaWiki-Parser

The browser console prints:

T16235:1 GET https://phabricator.wikimedia.org/T16235 500
Error with Permissions-Policy header: Unrecognized feature: 'interest-cohort'.      (MS Edge)
Some cookies are misusing the “SameSite“ attribute, so it won’t work as expected    (Mozilla Firefox)

Revisions and Commits

rPHAB Phabricator
rPHAB8a6a445c1608 Debug T284397

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Event Timeline

Ckujau created this task.Jun 6 2021, 1:12 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJun 6 2021, 1:12 PM
MarcoAurelio subscribed.Jun 6 2021, 1:46 PM

Confirmed:

Error with Permissions-Policy header: Unrecognized feature: 'interest-cohort'.
T16235:1 GET https://phabricator.wikimedia.org/T16235 500
Krinkle updated the task description. (Show Details)Jun 6 2021, 3:43 PM
Krinkle updated the task description. (Show Details)
Krinkle added a subscriber: 3BRBS.
Ciencia_Al_Poder subscribed.Jun 6 2021, 3:53 PM

Editing the task is possible:

https://phabricator.wikimedia.org/maniphest/task/edit/16235/

Aklapper renamed this task from Unhandled Exception ("RuntimeException") when viewing T16235 to Unhandled Exception ("RuntimeException"): Undefined offset: 5 when trying to access T16235.Jun 6 2021, 5:46 PM
Aklapper added a subscriber: • mmodell.
Stashbot added a comment.Jun 14 2021, 7:21 PM

Mentioned in SAL (#wikimedia-operations) [2021-06-14T19:21:01Z] <twentyafterfour_> applying hotfix for T284397 and restarting php7.3-fpm on phab1001

• mmodell added a comment.EditedJun 14 2021, 7:25 PM

Ok the task is now viewable (thanks to my hotfix try/catch block) but most of the comments fail to render. I'm not quite sure what's going on.

• mmodell added a commit: rPHAB8a6a445c1608: Debug T284397.Jun 14 2021, 7:25 PM
Aklapper changed the subtype of this task from "Task" to "Bug Report".Apr 25 2023, 10:14 AM
Ciencia_Al_Poder mentioned this in T16235: Template misses its parameter when containing a link with "=" (equal sign) character in the URL, or HTML attributes.Apr 25 2023, 11:05 AM
Aklapper edited projects, added Phabricator (Upstream), Upstream; removed Phabricator.EditedMay 9 2023, 12:20 PM

I could reproduce this locally on a (upstream) Phorge instance. This seems to be a faulty regex.
This is triggered for a {{{a}}} a . This is not triggered for {{{a}}} a or with a a {{{a}}} a .
I filed https://we.phorge.it/T15372 in upstream. Feel free take a look if you like starring at regexes.

Aklapper moved this task from Backlog to Upstreamed on the Phabricator (Upstream) board.May 9 2023, 12:20 PM
Aklapper moved this task from Backlog to Reported Upstream on the Upstream board.
Aklapper mentioned this in T326398: Writing {{#something:}} into a Phab comment makes text disappear.May 9 2023, 1:37 PM
Ckujau awarded a token.May 9 2023, 2:14 PM
Aklapper claimed this task.May 20 2023, 3:33 PM
Aklapper triaged this task as Low priority.
Aklapper moved this task from Reported Upstream to Patch proposed upstream on the Upstream board.
Aklapper changed the task status from Open to Stalled.Jun 12 2023, 2:09 AM
Aklapper edited projects, added Phabricator (2023-10-03); removed Phabricator (Upstream).Sep 4 2023, 11:12 AM
Aklapper moved this task from Patch proposed upstream to Patch merged upstream on the Upstream board.

I just merged https://we.phorge.it/D25415 in upstream which should fix this issue once also deployed in our installation.

Aklapper moved this task from 2023-10-03 to 2023-10-17 on the Phabricator board.Oct 3 2023, 3:22 PM
Aklapper edited projects, added Phabricator (2023-10-17); removed Phabricator (2023-10-03).
• brennen edited projects, added Phabricator (2023-11-14); removed Phabricator (2023-10-17).Oct 16 2023, 10:13 PM
Aklapper edited projects, added Phabricator (Upstream); removed Phabricator (2023-11-14).Nov 9 2023, 4:50 PM

[Move tasks resolved in upstream from #phabricator-next (as not every deployment will also pull an updated upstream) to the "Solved upstream" column on the Phabricator (Upstream) workboard]

Aklapper moved this task from Upstreamed to Solved upstream on the Phabricator (Upstream) board.Nov 9 2023, 4:51 PM
Novem_Linguae subscribed.Dec 25 2023, 11:50 PM
• Quiddity subscribed.Jan 24 2024, 7:24 PM

Similar problem with T4777: Provide a recursive subst: function in the PST – {{substall:foo}} but it fails with Undefined offset: 3 (instead of 5)

Aklapper added a subtask: T358610: Update wmf/stable to Phorge upstream's 2023.49 stable release.Mar 17 2024, 4:39 PM
Aklapper closed this task as Resolved.Mar 21 2024, 3:29 PM

This issue should be resolved in phabricator.wikimedia.org since 2024-03-19 thanks to brennen's deployment in T358610. Please reopen if you still experience this issue.

Aklapper closed subtask T358610: Update wmf/stable to Phorge upstream's 2023.49 stable release as Resolved.Mar 21 2024, 8:04 PM
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