# Sidekiq Jobs::CreateThumbnails Error

**URL:** <https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391>\
**Category:** Bug\
**Tags:** docker\
**Created:** [28.Май.2015 22:46:50 UTC](https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391 "2015-05-28T22:46:50Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![KazWolfe](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/kazwolfe/32/64441_2.png) [@KazWolfe](https://meta.discourse.org/u/KazWolfe)\
**Post date:** [28.Май.2015 22:46:50 UTC](https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391/1 "2015-05-28T22:46:50Z")

</div>

After updating to the latest version (v1.3.0.beta10 +48), my Discourse has been printing some errors to the log:

```
Message

Job exception: undefined local variable or method `max' for #<Jobs::CreateThumbnails:0x007ff4cc284b00>

Backtrace

/var/www/discourse/app/jobs/regular/create_thumbnails.rb:26:in `block (2 levels) in create_thumbnails_for_avatar'
/usr/local/lib/ruby/2.0.0/set.rb:232:in `each_key'
/usr/local/lib/ruby/2.0.0/set.rb:232:in `each'
/var/www/discourse/app/jobs/regular/create_thumbnails.rb:24:in `block in create_thumbnails_for_avatar'
/var/www/discourse/app/jobs/regular/create_thumbnails.rb:23:in `each'
/var/www/discourse/app/jobs/regular/create_thumbnails.rb:23:in `create_thumbnails_for_avatar'
/var/www/discourse/app/jobs/regular/create_thumbnails.rb:17:in `execute'
/var/www/discourse/app/jobs/base.rb:153:in `block (2 levels) in perform'

Env

current_db: default
current_hostname: [redacted]
job: Jobs::CreateThumbnails
problem_db: default

opts:
  upload_id: 83
  type: avatar
  current_site_id: default

```

Sidekiq keeps queuing these taks for “Retry” but they keep failing.

**Steps to Reproduce:**

Unknown

---

<div class="post-metadata">

**Author:** ![zogstrip](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/zogstrip/32/512781_2.png) [@zogstrip](https://meta.discourse.org/u/zogstrip)\
**Post date:** [28.Май.2015 22:55:47 UTC](https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391/2 "2015-05-28T22:55:47Z")

</div>

Thanks for reporting this issue. It will soon be fixed as a part of a larger commit.

---

<div class="post-metadata">

**Author:** ![zogstrip](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/zogstrip/32/512781_2.png) [@zogstrip](https://meta.discourse.org/u/zogstrip)\
**Post date:** [29.Май.2015 08:00:00 UTC](https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391/3 "2015-05-29T08:00:00Z")

</div>

Just extracted the fix and pushed it 🐐

> <https://github.com/discourse/discourse/commit/c3227b69fa383f1fc29b3e2714a978d92e281d94>

---

<div class="post-metadata">

**Author:** ![zogstrip](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/zogstrip/32/512781_2.png) [@zogstrip](https://meta.discourse.org/u/zogstrip)\
**Post date:** [29.Май.2015 08:00:04 UTC](https://meta.discourse.org/t/sidekiq-jobs-createthumbnails-error/29391/4 "2015-05-29T08:00:04Z")

</div>