I've tried to run Jenkins both from the latest/greatest and from the stable version and in both cases Jenkins installs fine (windows installer package) but doesn't show / start the website. The error log has the following data in it:
May 31, 2014 10:56:34 PM winstone.Logger logInternal
INFO: Beginning extraction from war file
May 31, 2014 10:56:37 PM org.eclipse.jetty.util.log.JavaUtilLog info
INFO: jetty-8.y.z-SNAPSHOT
May 31, 2014 10:56:39 PM org.eclipse.jetty.util.log.JavaUtilLog info
INFO: NO JSP Support for , did not find org.apache.jasper.servlet.JspServlet
May 31, 2014 10:56:39 PM org.eclipse.jetty.util.log.JavaUtilLog info
May 31, 2014 10:56:39 PM winstone.Logger logInternal
INFO: Winstone Servlet Engine v2.0 running: controlPort=disabled
May 31, 2014 10:56:40 PM jenkins.InitReactorRunner$1 onAttained
INFO: Started initialization
May 31, 2014 10:56:52 PM org.eclipse.jetty.util.log.JavaUtilLog warn
WARNING: HttpParser Full for SCEP@11aee49{l(/0:0:0:0:0:0:0:1:58237)<->r(/0:0:0:0:0:0:0:1:8080),s=1,open=true,ishut=false,oshut=false,rb=false,wb=false,w=true,i=0r}-{AsyncHttpConnection@1120157,g=HttpGenerator{s=0,h=-1,b=-1,c=-1},p=HttpParser{s=-1,l=5755,c=-3},r=0}
May 31, 2014 10:56:52 PM org.eclipse.jetty.util.log.JavaUtilLog warn
WARNING: HttpParser Full for SCEP@1d5d4e5{l(/0:0:0:0:0:0:0:1:58238)<->r(/0:0:0:0:0:0:0:1:8080),s=1,open=true,ishut=false,oshut=false,rb=false,wb=false,w=true,i=1r}-{AsyncHttpConnection@18c3269,g=HttpGenerator{s=0,h=-1,b=-1,c=-1},p=HttpParser{s=-1,l=5841,c=-3},r=0}