From 76660fc4d56878cd74b96f7a010d3437fabfc1c4 Mon Sep 17 00:00:00 2001
From: Carl Zogheib <carlzogh@amazon.com>
Date: Wed, 8 Dec 2021 12:30:08 +0000
Subject: [PATCH] Log function error on failure

---
 lambda/invoke_loop.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lambda/invoke_loop.go b/lambda/invoke_loop.go
index f2843ded..f9f7005a 100644
--- a/lambda/invoke_loop.go
+++ b/lambda/invoke_loop.go
@@ -6,6 +6,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"log"
 	"strconv"
 	"time"
 
@@ -47,8 +48,9 @@ func handleInvoke(invoke *invoke, function *Function) error {
 	}
 
 	if functionResponse.Error != nil {
-		payload := safeMarshal(functionResponse.Error)
-		if err := invoke.failure(payload, contentTypeJSON); err != nil {
+		errorPayload := safeMarshal(functionResponse.Error)
+		log.Printf("%s", errorPayload)
+		if err := invoke.failure(errorPayload, contentTypeJSON); err != nil {
 			return fmt.Errorf("unexpected error occurred when sending the function error to the API: %v", err)
 		}
 		if functionResponse.Error.ShouldExit {