As mentioned in comment #31 this bug was due to an error in the proxy configuration tool for Ubuntu which would set http_proxy to http://:8080. This is no longer an issue with Ubuntu in 12.04 so I am marking this bug as Fix Released.
As mentioned in comment #31 this bug was due to an error in the proxy configuration tool for Ubuntu which would set http_proxy to http:// :8080. This is no longer an issue with Ubuntu in 12.04 so I am marking this bug as Fix Released.