Project Avatar not showing

Summary

After Upload of Project/Group Avatar, it doesn't show up.

Steps to reproduce

Go to (Sub-)Group/Project -> Settings -> General, Upload a JPG/PNG.

What is the current bug behavior?

Page refreshes, but Avatar doesn't show up.

What is the expected correct behavior?

After refresh, Avatar should show up.

Relevant logs and/or screenshots

...

Parameters: {"utf8"=>"✓", "authenticity_token"=>"[FILTERED]", "project"=>{"name"=>"gitlab", "id"=>"1", "description"=>"", "default_branch"=>"master", "repository_size_limit"=>"", "tag_list"=>"", "avatar"=>{".path"=>"/opt/gitlab/embedded/service/gitlab-rails/public/uploads/tmp/multipart-651362087/stacked_wm.jpg", ".name"=>"stacked_wm.jpg"}}, "namespace_id"=>"sys", "id"=>"gitlab"}

Redirected to https://git.DOMAIN.net/sys/gitlab/edit
...

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info 
gitlab-rake gitlab:env:info


System information
System:

Proxy:    no
Current User: git
Using RVM:  no
Ruby Version: 2.3.5p376
Gem Version:  2.6.13
Bundler Version:1.13.7
Rake Version: 12.3.0
Redis Version:  3.2.11
Git Version:  2.14.3
Sidekiq Version:5.0.4
Go Version: unknown


GitLab information
Version:  10.3.5-ee
Revision: 60e1308
Directory:  /opt/gitlab/embedded/service/gitlab-rails
DB Adapter: postgresql
DB Version: 9.6.5
URL:    https://git.DOMAIN.net
HTTP Clone URL: https://git.DOMAIN.net/some-group/some-project.git
SSH Clone URL:  ssh://git@git.DOMAIN.net:2222/some-group/some-project.git
Elasticsearch:  yes
Geo:    no
Using LDAP: yes
Using Omniauth: no


GitLab Shell
Version:  5.10.2
Repository storage paths:
  • default: /var/opt/gitlab/git-data/repositories Hooks: /opt/gitlab/embedded/service/gitlab-shell/hooks Git: /opt/gitlab/embedded/bin/git

Results of GitLab application Check

Expand for output related to the GitLab application check 
GitLab Shell version >= 5.10.2 ? ... OK (5.10.2)
Repo base directory exists?
default... yes
Repo storage directories are symlinks?
default... no
Repo paths owned by git:root, or git:git?
default... yes
Repo paths access is drwxrws---?
default... yes
hooks directories in repos are links: ... 
3/1 ... ok
9/2 ... ok
2/4 ... ok
7/5 ... repository is empty
2/6 ... ok
2/7 ... ok
9/8 ... ok
9/9 ... ok
5/10 ... ok
Running /opt/gitlab/embedded/service/gitlab-shell/bin/check
Check GitLab API access: OK
Redis available via internal API: OK

Access to /var/opt/gitlab/.ssh/authorized_keys: OK
gitlab-shell self-check successful


Checking GitLab Shell ... Finished


Checking Sidekiq ...


Running? ... yes
Number of Sidekiq processes ... 1


Checking Sidekiq ... Finished


Reply by email is disabled in config/gitlab.yml
Checking LDAP ...


Server: ldapmain
LDAP authentication... Success
LDAP users with access to your GitLab server (only showing the first 100 results)
...removed....


Checking LDAP ... Finished


Checking GitLab ...


Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... yes
Init script exists? ... skipped (omnibus-gitlab has no init script)
Init script up-to-date? ... skipped (omnibus-gitlab has no init script)
Projects have namespace: ...
3/1 ... yes
9/2 ... yes
2/4 ... yes
7/5 ... yes
2/6 ... yes
2/7 ... yes
9/8 ... yes
9/9 ... yes
5/10 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.3.5 ? ... yes (2.3.5)
Git version >= 2.7.3 ? ... yes (2.14.3)
Git user has default SSH configuration? ... yes
Active users: ... 4
Elasticsearch version 5.1 - 5.5? ... yes (5.5.2)


Checking GitLab ... Finished

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)

regards, Roman