From 3c7a2a675282cde06ca6c99c289f3a8b9a454aa8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20Ko=CC=88ninger?=
 <stephan.koeninger@codecentric.de>
Date: Fri, 29 Nov 2024 09:02:53 +0100
Subject: [PATCH] fix(#3829): error 404 is shown when /<context-path>/ is
 opened in browser

---
 .../server/ui/config/AdminServerUiAutoConfiguration.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiAutoConfiguration.java b/spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiAutoConfiguration.java
index 80f8ef5612d..ba26a6d3371 100644
--- a/spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiAutoConfiguration.java
+++ b/spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiAutoConfiguration.java
@@ -258,9 +258,11 @@ public HomepageForwardingFilterConfig homepageForwardingFilterConfig() throws IO
 
 				List<String> extensionRoutes = new UiRoutesScanner(this.applicationContext)
 					.scan(this.adminUi.getExtensionResourceLocations());
-				List<String> routesIncludes = Stream.concat(DEFAULT_UI_ROUTES.stream(), extensionRoutes.stream())
+				List<String> routesIncludes = Stream
+					.concat(DEFAULT_UI_ROUTES.stream(), Stream.concat(extensionRoutes.stream(), Stream.of("/")))
 					.map(this.adminServer::path)
 					.collect(Collectors.toList());
+
 				List<String> routesExcludes = Stream
 					.concat(DEFAULT_UI_ROUTE_EXCLUDES.stream(), this.adminUi.getAdditionalRouteExcludes().stream())
 					.map(this.adminServer::path)