fix: Ignore CancellationException for running UI update tasks (#13708) (

#13765) Ignore CancellationException if the task is cancelled in the meantime. Authored-by: @HawkSK Fixes #13610 Co-authored-by: @mshabarov Co-authored-by: Mikhail Shabarov <[email protected]>
vaadin · May 16, 2022 · bd4d772 · bd4d772
1 parent 0a5c358
commit bd4d772
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/flow-server/src/main/java/com/vaadin/flow/server/VaadinService.java b/flow-server/src/main/java/com/vaadin/flow/server/VaadinService.java
@@ -38,6 +38,7 @@
 import java.util.Optional;
 import java.util.ServiceLoader;
 import java.util.Set;
+import java.util.concurrent.CancellationException;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.Future;
@@ -2059,6 +2060,10 @@ public void runPendingAccessTasks(VaadinSession session) {
                     try {
                         pendingAccess.get();
 
+                    } catch (CancellationException ignored) { // NOSONAR
+                        // Ignore canceled UI access tasks exceptions and don't
+                        // let it to be processed by the error handler and shown
+                        // on the UI
                     } catch (Exception exception) {
                         pendingAccess.handleError(exception);
                     }