don't refresh is navigation has not yet happened

vaadin · Jun 18, 2024 · ca50465 · ca50465
1 parent 30c624e
commit ca50465
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/flow-server/src/main/java/com/vaadin/flow/hotswap/Hotswapper.java b/flow-server/src/main/java/com/vaadin/flow/hotswap/Hotswapper.java
@@ -268,6 +268,10 @@ private UIRefreshStrategy computeRefreshStrategy(UI ui,
             Set<Class<?>> changedClasses) {
         List<HasElement> targetsChain = new ArrayList<>(
                 ui.getActiveRouterTargetsChain());
+        if (targetsChain.isEmpty()) {
+            // Navigation to a view has not yet happened
+            return UIRefreshStrategy.SKIP;
+        }
         HasElement route = targetsChain.get(0);
         boolean pushEnabled = ui.getPushConfiguration().getPushMode()
                 .isEnabled();