I see, well then you did a really good thing
Would it be possible you paste those errors maybe we can have an idea ? Just to check for others.
We use Gunicorn 19.6 (which is not latest) However there are few concearning things for 19.7 so we’re holding the release until it stabilizes, and other reported issues from users are addressed.
I’d try to upgrade Ubuntu itself.
I’m not sure how is your python knowledge, but you could put some prints here: /opt/rhodecode/store/v8v0xjg7sl1mis7bkliavihdmnch4alz-python2.7-rhodecode-enterprise-ce-4.7.1/lib/python2.7/site-packages/rhodecode/lib/middleware/utils/scm_app_http.py in line 112
When we use requests to do a call to VCSServer that sends mercurial data over.