nextcloud / nextcloud/previewgenerator

Undefined array key "previews" at /var/www/nextcloud/apps/previewgenerator/lib/Command/Generate.php#160

Open
#465 9 comments 1 reaction 0 assignees View on GitHub

Nobody has claimed this yet.

bug needs info
Dominant language
PHP
Stars
520
Forks
55
PR merge metrics
No merged PRs in 30d

Description

I am getting the above error message in my Nextcloud logs every 10 minutes.

[PHP] Error: Undefined array key "previews" at /var/www/nextcloud/apps/previewgenerator/lib/Command/Generate.php#160

The error is pointing to this line:
image

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start in apps/previewgenerator/lib/Command/Generate.php at line 160 and trace the command input that is expected to contain the "previews" key. Reproduce the scheduled generation run described in the issue and confirm the logs no longer report an undefined array key when the command completes.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.