fix: Display generic not found page for corp groups that do not exist

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/GmsGraphQLEngine.java

@@ -1291,7 +1291,8 @@ private void configureCorpUserResolvers(final RuntimeWiring.Builder builder) {
      */
     private void configureCorpGroupResolvers(final RuntimeWiring.Builder builder) {
         builder.type("CorpGroup", typeWiring -> typeWiring
-            .dataFetcher("relationships", new EntityRelationshipsResultResolver(graphClient)));
+            .dataFetcher("relationships", new EntityRelationshipsResultResolver(graphClient))
+            .dataFetcher("exists", new EntityExistsResolver(entityService)));
         builder.type("CorpGroupInfo", typeWiring -> typeWiring
                 .dataFetcher("admins",
                     new LoadableTypeBatchResolver<>(corpUserType,

datahub-graphql-core/src/main/resources/entity.graphql

@@ -3783,6 +3783,11 @@ type CorpGroup implements Entity {
     Additional read only info about the group
     """
     info: CorpGroupInfo @deprecated
+
+    """
+    Whether or not this entity exists on DataHub
+    """
+    exists: Boolean
 }
 
 """

datahub-web-react/src/app/entity/group/GroupProfile.tsx

@@ -11,6 +11,7 @@ import { RoutedTabs } from '../../shared/RoutedTabs';
 import GroupInfoSidebar from './GroupInfoSideBar';
 import { GroupAssets } from './GroupAssets';
 import { ErrorSection } from '../../shared/error/ErrorSection';
+import NonExistentEntityPage from '../shared/entity/NonExistentEntityPage';
 
 const messageStyle = { marginTop: '10%' };
 
@@ -110,6 +111,9 @@ export default function GroupProfile() {
         urn,
     };
 
+    if (data?.corpGroup?.exists === false) {
+        return <NonExistentEntityPage />;
+    }
     return (
         <>
             {error && <ErrorSection />}

datahub-web-react/src/graphql/group.graphql

@@ -3,6 +3,7 @@ query getGroup($urn: String!, $membersCount: Int!) {
         urn
         type
         name
+        exists
         origin {
             type
             externalType