fix: Find production bundle theme on Windows (#16942)

Classloader always uses a / separated path Fixes #16941
vaadin · Jun 1, 2023 · d2c9916 · d2c9916
1 parent 0e99c17
commit d2c9916
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/flow-server/src/main/java/com/vaadin/flow/server/frontend/ThemeUtils.java b/flow-server/src/main/java/com/vaadin/flow/server/frontend/ThemeUtils.java
@@ -166,9 +166,9 @@ public static Optional<JsonObject> getThemeJson(String themeName,
     public static URL getThemeResourceFromPrecompiledProductionBundle(
             String themeAssetPath) {
         // lookup in the prod bundle, where themes are copied from project's
-        URL resourceUrl = ThemeUtils.class.getClassLoader()
-                .getResource(Paths.get(VAADIN_WEBAPP_RESOURCES,
-                        VAADIN_STATIC_FILES_PATH, themeAssetPath).toString());
+        URL resourceUrl = ThemeUtils.class.getClassLoader().getResource(
+                FrontendUtils.getUnixPath(Paths.get(VAADIN_WEBAPP_RESOURCES,
+                        VAADIN_STATIC_FILES_PATH, themeAssetPath)));
         if (resourceUrl == null) {
             // lookup in the JARs for packaged themes
             resourceUrl = ThemeUtils.class.getClassLoader().getResource(