** Changed in: apt (Ubuntu Bionic)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1766542
Title:
Installation blocks when the machine is behind a proxy server
Status in OEM Priority Project:
Confirmed
Status in apt package in Ubuntu:
Fix Released
Status in ubiquity package in Ubuntu:
Incomplete
Status in apt source package in Bionic:
In Progress
Status in ubiquity source package in Bionic:
New
Bug description:
[Impact]
APT takes a long time to notice when certain connections time out
[Test case]
* Change the default route to not route stuff successfully (wrong gateway,
for example)
* Make your sources.list look like this:
deb http://archive.ubuntu.com/ubuntu bionic main restricted
deb http://archive.ubuntu.com/ubuntu bionic-updates main restricted
* Run apt update
You should see that it fails with a long verbose error message for the
first entry, with all possible IP addresses listed in it; while for
the second one it fails with just "Unable to connect to
archive.ubuntu.com:http:" as it recognizes it has been blacklisted.
[Original bug report]
When the machine is behind a proxy server, the installation will block for a
while (several minutes) to retrieve the package lists. The timeouts are too
long and makes user feels the machine may have some problems.
The symptom is similar with bug #14599, but it seems the apt-setup
module was rewritten.
Another method to trigger this issue is to make the machine cannot
access to the Internet, for instance: a wrong gateway.
Image: 16.04
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