From 3e51d8029ba34d3a76b3afe53e257f1fb5fb9da1 Mon Sep 17 00:00:00 2001
From: Brent Bovenzi <brent.bovenzi@gmail.com>
Date: Tue, 7 Jun 2022 13:25:31 +0200
Subject: [PATCH] Check that edge nodes actually exist (#24166)

---
 airflow/www/static/js/dag_dependencies.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/airflow/www/static/js/dag_dependencies.js b/airflow/www/static/js/dag_dependencies.js
index 4e342288efcd97..81ba457522b542 100644
--- a/airflow/www/static/js/dag_dependencies.js
+++ b/airflow/www/static/js/dag_dependencies.js
@@ -198,8 +198,14 @@ const renderGraph = () => {
     g.setNode(node.id, node.value);
   });
 
+  // filter out edges that point to non-existent nodes
+  const realEdges = edges.filter((e) => {
+    const edgeNodes = nodes.filter((n) => n.id === e.u || n.id === e.v);
+    return edgeNodes.length === 2;
+  });
+
   // Set edges
-  edges.forEach((edge) => {
+  realEdges.forEach((edge) => {
     g.setEdge(edge.u, edge.v, {
       curve: d3.curveBasis,
       arrowheadClass: 'arrowhead',