[GitHub] [airflow] bbovenzi commented on a change in pull request #16711: Add error message to dag dependency view

[GitBox <gi...@apache.org>]

bbovenzi commented on a change in pull request #16711:
URL: https://github.com/apache/airflow/pull/16711#discussion_r662282120



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File path: airflow/www/static/js/dag_dependencies.js
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@@ -37,6 +37,15 @@ const g = new dagreD3.graphlib.Graph()
   })
   .setDefaultEdgeLabel(() => ({ lineInterpolate: 'basis' }));
 
+// Sometimes the data doesn't load when the scheduler isn't running.
+if (!nodes.length) {
+  $('#error').show();
+  $('#error_msg').text(`
+    There was an issue loading dependencies.
+    Make sure you have dags loaded and that everything is running, then try again.

Review comment:
       I agree. I was trying to keep it simple, but that didn't work out. I'll have it check if there are any dags before showing an error.




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