Using DEV Google App Engine behind a proxy server

Question

I am using the Google App Engine behind a proxy server using Python. All function calls using urlfetch.fetch (url) fail.

When I run the same code on a machine without a proxy, it works.

Does anyone have an idea how to solve this?

Note. Downloading code in the prod App Engine also does not work when I'm behind a proxy server.

Answer 1

This is apparently a known issue. There is an error recorded on it ; This page also describes some workarounds.