use Robert Metzger patch from https://issues.apache.org/jira/browse/F…

flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/utils/EventUtils.java

@@ -23,6 +23,8 @@
 import io.fabric8.kubernetes.api.model.ObjectMeta;
 import io.fabric8.kubernetes.api.model.ObjectReferenceBuilder;
 import io.fabric8.kubernetes.client.KubernetesClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nullable;
 
@@ -37,6 +39,7 @@
  * https://github.com/EnMasseProject/enmasse/blob/master/k8s-api/src/main/java/io/enmasse/k8s/api/KubeEventLogger.java
  */
 public class EventUtils {
+    private static final Logger LOG = LoggerFactory.getLogger(EventUtils.class);
 
     public static String generateEventName(
             HasMetadata target,
@@ -125,6 +128,11 @@ public static boolean createOrUpdateEventWithLabels(
             @Nullable Duration interval,
             @Nullable Predicate<Map<String, String>> dedupePredicate,
             @Nullable Map<String, String> labels) {
+        var namespace = target.getMetadata().getNamespace();
+        if (isNamespaceMarkedForDeletion(client, namespace)) {
+            LOG.info("Ignoring event because namespace is marked for deletion");
+            return true;
+        }
         String eventName =
                 generateEventName(
                         target, type, reason, messageKey != null ? messageKey : message, component);
@@ -213,4 +221,13 @@ private static boolean labelCheck(
                 || (existing.getMetadata() != null
                         && dedupePredicate.test(existing.getMetadata().getLabels()));
     }
+
+    private static boolean isNamespaceMarkedForDeletion(KubernetesClient client, String namespace) {
+        try {
+            return client.namespaces().withName(namespace).get().isMarkedForDeletion();
+        } catch (Exception e) {
+            LOG.warn("Error while checking namespace status", e);
+            return false;
+        }
+    }
 }

helm/flink-kubernetes-operator/templates/rbac.yaml

@@ -29,6 +29,7 @@ rules:
       - events
       - configmaps
       - secrets
+      - namespaces
     verbs:
       - "*"
 {{- if .Values.rbac.nodesRule.create }}