Acegi security exception within JEXL should propagate through the call stack for us to commence the authentication protocol.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6355 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/WebAppMain.java

@@ -26,6 +26,8 @@ import java.util.logging.Logger;
 import java.net.URLClassLoader;
 import java.net.URL;
 
+import org.kohsuke.stapler.Stapler;
+
 /**
  * Entry point when Hudson is used as a webapp.
  *
@@ -98,6 +100,8 @@ public class WebAppMain implements ServletContextListener {
                 }
             }
 
+            Stapler.setExpressionFactory(event, new ExpressionFactory2());
+
             context.setAttribute(APP,new HudsonIsLoading());
 
             new Thread("hudson initialization thread") {
@@ -222,4 +226,5 @@ public class WebAppMain implements ServletContextListener {
     }
 
     private static final Logger LOGGER = Logger.getLogger(WebAppMain.class.getName());
+
 }