Request to http://jbws.dyndns.org:8280/hudson/loginEntry?from=%2Fhudson%2F

returns an empty page

Apr 10, 2008 8:00:18 PM org.apache.catalina.authenticator.FormAuthenticator
forwardToLoginPage
WARNING: Unexpected error forwarding to login page
javax.servlet.ServletException:
jar:file:/usr/share/java/workspace/jbossws-hudson-3.0.1.GA/apache-tomcat/webapps/hudson/WEB-INF/lib/hudson-core-1.206.jar!/lib/hudson/queue.jelly:14:61:
<j:if>
org.acegisecurity.providers.anonymous.AnonymousAuthenticationToken@ffffffc4:
Username: anonymous; Password: [PROTECTED]; Authenticated: true; Details: null;
Granted Authorities: anonymous is missing Administer
at org.kohsuke.stapler.MetaClass$3.dispatch(MetaClass.java:127)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:352)
at org.kohsuke.stapler.Stapler.service(Stapler.java:112)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)