Browsing to /secure/project/ViewProjects.jspa when not logged in results in ERROR messages in the catalina.out

The following error is logged when you browse to /secure/project/ViewProjects.jspa when not logged in.

2008-07-08 15:39:37,826 http-8080-Processor25 ERROR [atlassian.plugin.web.DefaultWebInterfaceManager] Could not evaluate condition: java.lang.IllegalArgumentException: User passed to this function cannot be null