Fails on rss feeds that require basic http auth

[David Rubin]

uname -a
Linux 16cpt-drubin 2.6.28-13-generic #44-Ubuntu SMP Tue Jun 2 07:55:09 UTC 2009 x86_64 GNU/Linux
Description: Ubuntu 9.04
Release: 9.04

I can't give the rss feed location since it is an internal rss feed that requires basic authentication. The url isn't https.
Evolution does pick up that the feed requires auth and does bring up the username/password field but then comes up with below. The url is rss2.

If there is any other info I can provide please let me know.

"Error while fetching feed.
Unamed feed
Unauthorized"

EI: MAIL PREFScomponent_id:OAFIID:GNOME_Evolution_RSS:2.26
(evolution:14874): Gtk-CRITICAL **: gtk_list_store_get_path: assertion `iter->stamp == GTK_LIST_STORE (tree_model)->stamp' failed
(evolution:14874): GLib-GObject-WARNING **: invalid (NULL) pointer instance
(evolution:14874): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
(evolution:14874): Gtk-CRITICAL **: gtk_box_pack: assertion `child->parent == NULL' failed
(evolution:14874): Gtk-CRITICAL **: gtk_box_pack: assertion `child->parent == NULL' failed
(evolution:14874): libsoup-CRITICAL **: soup_auth_authenticate: assertion `username != NULL' failed

[Ricardo Andrade (ricardoluizandrade)]

I am having the exactly same problem here.
Adding some information I think might be useful:
I am moving from Mozilla Thunderbird to Evolution. I added all my RSS feeds to the plugin configurations and I was able to refresh all of them. The one wich requires authorization asked for name and password and I checked the box for remembering them later. Well, so far, so good, I was able to get the first messages. Then, later, when I clicked the button to update my feeds I notice a message saying that authorization has failed and the only feed that requires authorization did not update.
I removed that feed and tried adding it again, then the above problem appeared.