From fefcc5b124ce6850aa566f394c1ec4aa2227008a Mon Sep 17 00:00:00 2001
From: acelinkio <31336038+acelinkio@users.noreply.github.com>
Date: Sat, 10 Jan 2026 01:40:07 -0800
Subject: [PATCH] auth/transcoder: fix tripple responses on errors (#1261)

---
 auth/main.go       | 6 ++++++
 transcoder/main.go | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/auth/main.go b/auth/main.go
index 856c53f0..a3b4b67f 100644
--- a/auth/main.go
+++ b/auth/main.go
@@ -31,6 +31,12 @@ import (
 )
 
 func ErrorHandler(err error, c echo.Context) {
+	// otelecho & RequestLoggerWithConfig middleware call c.Error
+	// otelecho docs: https://pkg.go.dev/go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho#WithOnError
+	if c.Response().Committed {
+		return
+	}
+
 	code := http.StatusInternalServerError
 	var message string
 
diff --git a/transcoder/main.go b/transcoder/main.go
index 76bf82a1..a93ecfa5 100644
--- a/transcoder/main.go
+++ b/transcoder/main.go
@@ -27,6 +27,12 @@ import (
 )
 
 func ErrorHandler(err error, c echo.Context) {
+	// otelecho & RequestLoggerWithConfig middleware call c.Error
+	// otelecho docs: https://pkg.go.dev/go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho#WithOnError
+	if c.Response().Committed {
+		return
+	}
+
 	code := http.StatusInternalServerError
 	var message string
 	if he, ok := err.(*echo.HTTPError); ok {