I'm running Squid as a proxy server on my system.
ERROR The requested URL could not be retrieved
The following error was encountered while trying to retrieve the URL: /
Invalid URL
Some aspect of the requested URL is incorrect.
Some possible problems are:
Missing or incorrect access protocol (should be "http://" or similar)
Missing hostname
Illegal double-escape in the URL-Path
Illegal character in hostname; underscores are not allowed.
Your cache administrator is webmaster.
the url is work good