From 10f787abfbfca1af2c2397fcc7f02a2cd961ac3f Mon Sep 17 00:00:00 2001
From: Gavin Bunney <409207+gavinbunney@users.noreply.github.com>
Date: Wed, 19 Oct 2022 09:48:54 -0700
Subject: [PATCH] Only capture the first failure state in passport future
 listener (#1347)

---
 .../zuul/netty/insights/PassportStateListener.java        | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/zuul-core/src/main/java/com/netflix/zuul/netty/insights/PassportStateListener.java b/zuul-core/src/main/java/com/netflix/zuul/netty/insights/PassportStateListener.java
index ec987d03ad..17127f80b7 100644
--- a/zuul-core/src/main/java/com/netflix/zuul/netty/insights/PassportStateListener.java
+++ b/zuul-core/src/main/java/com/netflix/zuul/netty/insights/PassportStateListener.java
@@ -48,8 +48,12 @@ public void operationComplete(Future future) throws Exception
             passport.add(successState);
         }
         else {
-            if (failState != null)
-                passport.add(failState);
+            if (failState != null) {
+                // only capture a single failure state event,
+                // as sending content errors will fire for all content chunks,
+                // and we only need the first one
+                passport.addIfNotAlready(failState);
+            }
         }
     }
 }
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