Nexus log too many message: "Basic authentication scheme selected" [ENH]

There are many and many log entry with this message:

...
2010-12-10 09:58:29 INFO [l-2-thread-3526] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3531] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3533] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3535] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3538] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3540] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3543] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3534] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3541] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3530] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3542] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3550] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3553] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3527] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3545] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3544] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3555] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3558] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3554] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
2010-12-10 09:58:29 INFO [l-2-thread-3529] - o.a.c.h.a.AuthChall~ - Basic authentication scheme selected
...

It should be into debug mode (or deleted) because there is no interesting information into this message to take an action.

Regards.