[FIXED HUDSON-2770] resurrected the awtProblem as boolean.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@13837 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -116,8 +116,8 @@ public final class WebAppMain implements ServletContextListener {
             }
 
             // make sure AWT is functioning, or else JFreeChart won't even load.
-            if(ChartUtil.awtProblem!=null) {
-                context.setAttribute(APP,new AWTProblem(ChartUtil.awtProblem));
+            if(ChartUtil.awtProblemCause!=null) {
+                context.setAttribute(APP,new AWTProblem(ChartUtil.awtProblemCause));
                 return;
             }
 
@@ -151,7 +151,7 @@ public final class WebAppMain implements ServletContextListener {
                 }
             }
 
-            Stapler.setExpressionFactory(event, new ExpressionFactory2());
+            installExpressionFactory(event);
 
             context.setAttribute(APP,new HudsonIsLoading());
 
@@ -196,6 +196,10 @@ public final class WebAppMain implements ServletContextListener {
         }
     }
 
+    public static void installExpressionFactory(ServletContextEvent event) {
+        Stapler.setExpressionFactory(event, new ExpressionFactory2());
+    }
+
     protected void computeVersion(ServletContext context) {
         // set the version
         Properties props = new Properties();