fix: Navigate with full url

flow-server/src/main/resources/com/vaadin/flow/server/frontend/Flow.tsx

@@ -382,7 +382,11 @@ function Flow() {
         (event: CustomEvent<{ state: unknown; url: string; replace?: boolean; callback: boolean }>) => {
             // @ts-ignore
             window.Vaadin.Flow.navigation = true;
-            const path = '/' + event.detail.url;
+            // clean base uri away if for instance redirected to http://localhost/path/user?id=10
+            // else the whole http... will be appended to the url see #19580
+            const path = event.detail.url.startsWith(document.baseURI)
+                ? '/' + event.detail.url.slice(document.baseURI.length)
+                : '/' + event.detail.url;
             fromAnchor.current = false;
             queuedNavigate(path, event.detail.callback, { state: event.detail.state, replace: event.detail.replace });
         },

flow-tests/test-react-router/src/main/java/com/vaadin/flow/AddQueryParamView.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2000-2024 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.vaadin.flow;
+
+import com.vaadin.flow.component.UI;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.NativeButton;
+import com.vaadin.flow.component.page.Page;
+import com.vaadin.flow.router.BeforeEnterEvent;
+import com.vaadin.flow.router.BeforeEnterObserver;
+import com.vaadin.flow.router.Route;
+
+@Route("com.vaadin.flow.AddQueryParamView")
+public class AddQueryParamView extends Div {
+
+    public static final String PARAM_BUTTON_ID = "setParameter";
+    public static final String QUERY_ID = "query";
+
+    public AddQueryParamView() {
+        NativeButton button = new NativeButton("Add URL Parameter", e -> {
+            updateUrlRequestParameter("test", "HELLO!");
+        });
+        button.setId(PARAM_BUTTON_ID);
+        add(button);
+    }
+
+    public void updateUrlRequestParameter(String key, String value) {
+        Page page = UI.getCurrent().getPage();
+        page.fetchCurrentURL(url -> {
+            String newLocation = url + "?" + key + "=" + value;
+            page.getHistory().replaceState(null, newLocation);
+            Div div = new Div(newLocation);
+            div.setId(QUERY_ID);
+            add(div);
+        });
+    }
+}

flow-tests/test-react-router/src/test/java/com/vaadin/flow/AddQueryParamIT.java

@@ -0,0 +1,30 @@
+package com.vaadin.flow;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openqa.selenium.By;
+
+import com.vaadin.flow.component.html.testbench.DivElement;
+import com.vaadin.flow.component.html.testbench.NativeButtonElement;
+import com.vaadin.flow.component.html.testbench.SpanElement;
+import com.vaadin.flow.testutil.ChromeBrowserTest;
+
+public class AddQueryParamIT extends ChromeBrowserTest {
+
+    @Test
+    public void validateReactInUse() {
+        open();
+
+        waitForDevServer();
+
+        $(NativeButtonElement.class).id(AddQueryParamView.PARAM_BUTTON_ID)
+                .click();
+
+        waitForElementPresent(By.id(AddQueryParamView.QUERY_ID));
+
+        Assert.assertEquals(
+                $(DivElement.class).id(AddQueryParamView.QUERY_ID).getText(),
+                driver.getCurrentUrl());
+    }
+
+}