fix issue http://java.net/jira/browse/GLASSFISH-18680

("[devtest] request-dispatcher-forward-send-error-commit-response failure")


git-svn-id: https://svn.java.net/svn/glassfish~svn/trunk/main@53779 6f3ba3e3-413c-0410-a8aa-90bee3ab43b5

appserver/web/web-core/src/main/java/org/apache/catalina/connector/Request.java

@@ -504,6 +504,8 @@ protected synchronized Object initialValue() {
     private String servletPath;
     private String pathInfo;
 
+    private boolean initRequestFacadeHelper = false;
+
     // Allow Grizzly to auto detect a remote close connection.
     public final static boolean discardDisconnectEvent =
             Boolean.getBoolean("org.glassfish.grizzly.discardDisconnect");
@@ -616,6 +618,7 @@ public void recycle() {
 
         mappingData.recycle();
 
+        initRequestFacadeHelper = false;
         if (enforceScope) {
             if (facade != null) {
                 facade.clear();
@@ -836,16 +839,25 @@ public HttpServletRequest getRequest(boolean maskDefaultContextMapping) {
         if (!maskDefaultContextMapping || !isDefaultContext) {
             if (facade == null) {
                 facade = new RequestFacade(this);
+            }
+
+            if (!initRequestFacadeHelper) {
                 attributes.put(Globals.REQUEST_FACADE_HELPER,
                         facade.getRequestFacadeHelper());
+                initRequestFacadeHelper = true;
             }
             return facade;
         } else {
             if (defaultContextMaskingFacade == null) {
                 defaultContextMaskingFacade = new RequestFacade(this, true);
+            }
+
+            if (!initRequestFacadeHelper) {
                 attributes.put(Globals.REQUEST_FACADE_HELPER,
                         defaultContextMaskingFacade.getRequestFacadeHelper());
+                initRequestFacadeHelper = true;
             }
+
             return defaultContextMaskingFacade;
         }
     }