[AIRFLOW-6375] Webserver returns 500 when running Airflow behind a reverse proxy

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.10.7
• Component/s: webserver
• Assignee: Unassigned
• Reporter: Mauro Schilman
• Created: 27/Dec/19 21:54
• Updated: 07/Jan/20 12:31

Description

When running with:

 

[webserver]
enable_proxy_fix = True

 

proxy_fix_x_for is being setup/converted to str at some point causing the following TypeError:

[2019-12-27 19:44:59 +0000] [34] [ERROR] Error handling request /
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 135, in handle
    self.handle_request(listener, req, client, addr)
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 176, in handle_request
    respiter = self.wsgi(environ, resp.start_response)
  File "/usr/local/lib/python3.6/site-packages/werkzeug/middleware/dispatcher.py", line 66, in __call__
    return app(environ, start_response)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 2463, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python3.6/site-packages/werkzeug/middleware/proxy_fix.py", line 195, in __call__
    x_for = self._get_trusted_comma(self.x_for, environ_get("HTTP_X_FORWARDED_FOR"))
  File "/usr/local/lib/python3.6/site-packages/werkzeug/middleware/proxy_fix.py", line 166, in _get_trusted_comma
    if len(values) >= trusted:
TypeError: '>=' not supported between instances of 'int' and 'str'

 

Reverting Airflow to version 1.10.6 solved the issue.

 

Issue Links

• duplicates: AIRFLOW-6345 ProxyFix fails on 1.10.7 due to TypeError