It wasn't necessary to deal with tools like tcpdump etc. Adding the
following to the logging.xml did the trick:
So now I know what's going on. Bad credentials:
DEBUG 2018-12-27T11:18:41,593 (Thread-1508) - http-outgoing-2 <<
"HTTP/1.1 401 Unauthorized[\r][\n]"
Strange, because connection
Thanks for looking harder into this!
The credential encoding in httpcomponents/httpclient has been problem free
as far as I have seen, so if you determine that that's the issue I am sure
it will be news to a lot of people. But by using the wire logging you
should be able to see the headers,