Hi,
i'm facing a similiar Problem like in issue 1773 with Active Directory Plugin
for security using hudson 1.220.

Before that i got 403 Errors but only for non-admin users now i'm getting the
following for all users including Admins.

Access Denied

org.acegisecurity.providers.UsernamePasswordAuthenticationToken@1f1ac90e:
Username: hudson.plugins.active_directory.ActiveDirectoryUserDetail@0: Username: XXX
...
...
Users is missing check