From a4f47b41f4e8aee132845e1333d7debaf4ed7e84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrik=20Dudit=C5=A1?= <patrik.dudits@payara.fish>
Date: Tue, 5 Nov 2024 15:55:01 +0100
Subject: [PATCH] Handle empty mapping in normalizeRequestURI

Signed-off-by: Patrik Dudits <patrik.dudits@payara.fish>
---
 .../java/com/sun/faces/application/view/MultiViewHandler.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/impl/src/main/java/com/sun/faces/application/view/MultiViewHandler.java b/impl/src/main/java/com/sun/faces/application/view/MultiViewHandler.java
index 89f34122ca..7a7547ed82 100644
--- a/impl/src/main/java/com/sun/faces/application/view/MultiViewHandler.java
+++ b/impl/src/main/java/com/sun/faces/application/view/MultiViewHandler.java
@@ -458,6 +458,10 @@ protected String derivePhysicalViewId(FacesContext ctx, String requestViewId, bo
      * @since 1.2
      */
     protected String normalizeRequestURI(String viewId, String mapping) {
+        if (mapping.isEmpty()) {
+            return viewId;
+        }
+        
         boolean logged = false;
 
         while (viewId.startsWith(mapping)) {