safaehar commented on code in PR #74663:
URL: https://github.com/apache/airflow/pull/74663#discussion_r4405052545


##########
airflow-core/src/airflow/ui/src/router.tsx:
##########
@@ -16,289 +16,356 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+import type { ComponentType } from "react";
+
 import { queryOptions } from "@tanstack/react-query";
 import { createBrowserRouter } from "react-router-dom";
 
 import { UseConfigServiceGetConfigsKeyFn } from "openapi/queries";
 import { ConfigService } from "openapi/requests/services.gen";
 
 import { BaseLayout } from "src/layouts/BaseLayout";
-import { DagsLayout } from "src/layouts/DagsLayout";
 
-import { Asset } from "src/pages/Asset";
-import { AssetEvents } from "src/pages/Asset/AssetEvents";
-import { AssetStateStore } from "src/pages/Asset/AssetStateStore";
-import { AssetsList } from "src/pages/AssetsList";
-import { Configs } from "src/pages/Configs";
-import { Connections } from "src/pages/Connections";
-import { Dag } from "src/pages/Dag";
-import { Backfills } from "src/pages/Dag/Backfills";
-import { Calendar } from "src/pages/Dag/Calendar/Calendar";
-import { Code } from "src/pages/Dag/Code";
-import { Details as DagDetails } from "src/pages/Dag/Details";
-import { Overview } from "src/pages/Dag/Overview";
-import { Tasks } from "src/pages/Dag/Tasks";
-import { Versions } from "src/pages/Dag/Versions";
-import { DagBundle } from "src/pages/DagBundle";
-import { DagBundles } from "src/pages/DagBundles";
-import { DagRuns } from "src/pages/DagRuns";
-import { DagsList } from "src/pages/DagsList";
-import { Dashboard } from "src/pages/Dashboard";
-import { Deadlines } from "src/pages/Deadlines";
 import { ErrorPage } from "src/pages/Error";
-import { Events } from "src/pages/Events";
-import { ExternalView } from "src/pages/ExternalView";
-import { GroupTaskInstance, GroupTaskInstances } from 
"src/pages/GroupTaskInstance";
-import { HITLTaskInstances } from "src/pages/HITLTaskInstances";
-import { Jobs } from "src/pages/Jobs";
-import { LandingPage } from "src/pages/LandingPage";
-import { MappedTaskInstance } from "src/pages/MappedTaskInstance";
-import { Details as MappedTaskInstanceDetails } from 
"src/pages/MappedTaskInstance/Details";
-import { Plugins } from "src/pages/Plugins";
-import { Pools } from "src/pages/Pools";
-import { Providers } from "src/pages/Providers";
-import { Run } from "src/pages/Run";
-import { AssetEvents as DagRunAssetEvents } from "src/pages/Run/AssetEvents";
-import { Callbacks as DagRunCallbacks } from "src/pages/Run/Callbacks";
-import { Details as DagRunDetails } from "src/pages/Run/Details";
-import { Security } from "src/pages/Security";
-import { Settings } from "src/pages/Settings";
-import { Task } from "src/pages/Task";
-import { Overview as TaskOverview } from "src/pages/Task/Overview";
-import { TaskInstance, Logs } from "src/pages/TaskInstance";
-import { AssetEvents as TaskInstanceAssetEvents } from 
"src/pages/TaskInstance/AssetEvents";
-import { DefaultTab as TaskInstanceDefaultTab } from 
"src/pages/TaskInstance/DefaultTab";
-import { Details as TaskInstanceDetails } from 
"src/pages/TaskInstance/Details";
-import { HITLResponse } from "src/pages/TaskInstance/HITLResponse";
-import { RenderedTemplates } from "src/pages/TaskInstance/RenderedTemplates";
-import { TaskInstances } from "src/pages/TaskInstances";
-import { TaskStateStore } from "src/pages/TaskStateStore";
-import { Variables } from "src/pages/Variables";
-import { XCom } from "src/pages/XCom";
 
 import { TabEntity, TabName, TaskInstanceTab } from "src/constants/tab";
 
 import { client } from "./queryClient";
 
+const ROUTE_MODULE_RELOAD_KEY = "airflow-route-module-reload-attempted";
+
+export const loadRouteModule = async <Module,>(factory: () => Promise<Module>) 
=> {
+  try {
+    return await factory();
+  } catch (error) {

Review Comment:
   Good catch. I moved the automatic reload to ErrorPage, so it runs after 
react router has committed the requested URL. A repeated failure still reloads 
only once, while a successful route-module load now clears the guard so a later 
deployment can recover again. I added regression tests for both cases in last 
commit (5ad366d773).



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