Repository -> Charts 503 HTTP Error because of invalid character '`'

Summary

Onprem installation of Gitlab when navigating to Repository -> Charts I get an 503 Error

Steps to reproduce

  • Setting up Gitlab (Omnibus)
  • Creating a project (happens with all local projects)
  • Navigating to Repository -> Charts

Example Project

not possible due to onprem installation

What is the current bug behavior?

seeing no chart page and get a 503 error

What is the expected correct behavior?

Seeing the chart page as in gitlab.com

Relevant logs and/or screenshots

==> /var/log/gitlab/gitlab-rails/production.log <==
Gitlab::Git::CommandError (2:invalid character '`' looking for beginning of value):
  lib/gitlab/git/repository.rb:1182:in `rescue in wrapped_gitaly_errors'
  lib/gitlab/git/repository.rb:1175:in `wrapped_gitaly_errors'
  lib/gitlab/git/repository.rb:873:in `languages'
  app/models/repository.rb:477:in `method_missing'
  app/controllers/projects/graphs_controller.rb:46:in `get_languages'
  app/controllers/projects/graphs_controller.rb:28:in `charts'
  lib/gitlab/i18n.rb:51:in `with_locale'
  lib/gitlab/i18n.rb:57:in `with_user_locale'
  app/controllers/application_controller.rb:370:in `set_locale'
  lib/gitlab/middleware/multipart.rb:97:in `call'
  lib/gitlab/request_profiler/middleware.rb:14:in `call'
  ee/lib/gitlab/jira/middleware.rb:15:in `call'
  lib/gitlab/middleware/go.rb:17:in `call'
  lib/gitlab/etag_caching/middleware.rb:11:in `call'
  lib/gitlab/middleware/read_only/controller.rb:38:in `call'
  lib/gitlab/middleware/read_only.rb:16:in `call'
  lib/gitlab/request_context.rb:18:in `call'
  lib/gitlab/metrics/requests_rack_middleware.rb:27:in `call'
  lib/gitlab/middleware/release_env.rb:10:in `call'

Results of GitLab environment info

Expand for output related to GitLab environment info 
oot@gitlab-c7b8978df-hxfr7:/# gitlab-rake gitlab:env:info
/var/opt/gitlab is not writable.
Bundler will use `/tmp/bundler/home/unknown' as your home directory temporarily.


System information
System:
Proxy:          no
Current User:   git
Using RVM:      no
Ruby Version:   2.4.4p296
Gem Version:    2.7.6
Bundler Version:.
Rake Version:   12.3.1
Redis Version:  3.2.11
Git Version:    2.17.1
Sidekiq Version:5.1.3
Go Version:     unknown


GitLab information
Version:        11.1.4-ee
Revision:       d17962f
Directory:      /opt/gitlab/embedded/service/gitlab-rails
DB Adapter:     postgresql
DB Version:     9.6.8
URL:            https://gitlab.xxx
HTTP Clone URL: https://gitlab.xxx/some-group/some-project.git
SSH Clone URL:  ssh://git@gitlab.xxx/some-group/some-project.git
Elasticsearch:  no
Geo:            no
Using LDAP:     no
Using Omniauth: no


GitLab Shell
Version:        7.1.4
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 
root@gitlab-c7b8978df-hxfr7:/# gitlab-rake gitlab:check SANITIZE=true
`/var/opt/gitlab` is not writable.
Bundler will use `/tmp/bundler/home/unknown' as your home directory temporarily.
Checking GitLab Shell ...

GitLab Shell version >= 7.1.4 ? ... OK (7.1.4)
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: ...
3/3 ... ok
3/4 ... ok
4/5 ... ok
4/6 ... repository is empty
4/7 ... ok
5/8 ... repository is empty
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 ...


LDAP is disabled in config/gitlab.yml


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: ...
3/3 ... yes
3/4 ... yes
4/5 ... yes
4/6 ... yes
4/7 ... yes
5/8 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.3.5 ? ... yes (2.4.4)
Git version >= 2.9.5 ? ... yes (2.17.1)
Git user has default SSH configuration? ... yes
Active users: ... 1
Elasticsearch version 5.1 - 5.5? ... skipped (elasticsearch is disabled)


Checking GitLab ... Finished

Possible fixes

do not know a fix