hi ! i have nealry the same problem. but in my case everthing runs fine : i can logon and use my own portlets - the others are not interesting for me - at the moment.
but i get in the tomcat-cmd a stackoverflow. i have a little piece of the tomcat log: 2005-03-15 10:15:50 StandardContext[/demo]JetspeedContainerServlet: Error rendering portlet "BookmarkPortlet": java.lang.StackOverflowError java.lang.StackOverflowError 2005-03-15 10:15:50 StandardContext[/demo]JetspeedContainerServlet: Error rendering JetspeedContainerServlet error page: java.lang.StackOverflowError java.lang.StackOverflowError 2005-03-15 10:23:36 StandardContext[/demo]JetspeedContainerServlet: Error rendering portlet "BookmarkPortlet": java.lang.StackOverflowError java.lang.StackOverflowError 2005-03-15 10:23:36 StandardContext[/demo]JetspeedContainerServlet: Error rendering JetspeedContainerServlet error page: java.lang.StackOverflowError java.lang.StackOverflowError best regards