1365960 - Error if a translation's parent is deleted

Status: RESOLVED FIXED

(developer.mozilla.org Graveyard :: Wiki pages, defect)

Description

[John Whitlock [:jwhitlock]]

What did you do?
================
Go to https://developer.mozilla.org/ja/docs/MDN/Contribute/Structures/スクリーンキャスト 

What happened?
==============
A 500 ISE error

What should have happened?
==========================
The page should have displayed

Is there anything else we should know?
======================================
This page is translated from this page:

https://developer.mozilla.org/en-US/docs/MDN/Contribute/Structures/Screencasts

This page was deleted on May 2, 2017.

Document.objects is a custom manager that filters out deleted documents, so this query raises a DoesNotExist error:

get_parent_id = Document.objects.values_list('parent_topic', flat=True).get(pk=(screencast doc PK))

https://github.com/mozilla/kuma/blob/88786d47cc2d44f16a989036c497be905dd2e14a/kuma/wiki/jobs.py#L20

This new logic was added in mozilla/kuma#4234, part of bug 944186

Comment 1

[John Whitlock [:jwhitlock]]

Tracked in Sentry: https://sentry.prod.mozaws.net/operations/mdn-prod/issues/605712/

Comment 2

[[github robot]]

Commit pushed to master at https://github.com/mozilla/kuma

https://github.com/mozilla/kuma/commit/9c5750b65b084ece623a66321e2c70ecf18e4b2c
bug 1365960: fix nearest-zone error when parent-topic deleted

Comment 3

[Ryan Johnson (:rjohnson)]

Commit pushed to production at 10:10am Friday, May 19, 2017.

Comment 4

[Ryan Johnson (:rjohnson)]

https://developer.mozilla.org/ja/docs/MDN/Contribute/Structures/スクリーンキャスト works fine now.