Failed to load code climate report

Summary

Sometimes the code climate report failes to load

Steps to reproduce

The issue happens from time to time, we dont know how to reproduce.

What is the current bug behavior?

The climate report failes to load.

I just checked the JSON response:

The first one giving a proper response, the second one not:

I retriggered the pipeline - it changes nothing in the widget, but the artifact uploaded to gitlab (checked in the pipeline itself) is a proper climate json report.

What is the expected correct behavior?

The code climate report should be served correctly from the server

Output of checks

This bug happens on GitLab.com