From 80bef08c3fc678096f31b8a1ea46ec8b3e635db9 Mon Sep 17 00:00:00 2001
From: Bob Potterveld <potterve@amazon.com>
Date: Wed, 7 Jul 2021 22:14:00 -0600
Subject: [PATCH] Fix "TypeError: AWS.LexRuntimeV2 is not a constructor" when
 using Lex V2 based Elicit Response Bots. Fix "Cannot read property 'buttons'
 of undefined" when no buttons specified in response card. Bug fix - protect
 against TypeError exception while processing fallback intent case for an
 invalid response provided to a LexV2 Response Bot.

---
 CHANGELOG.md                                   | 4 ++++
 lambda/fulfillment/Makefile                    | 2 +-
 lambda/fulfillment/lib/middleware/lexRouter.js | 3 ++-
 package.json                                   | 2 +-
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32d558b3d..83dbb0588 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [4.7.2]
+- Bug fix "TypeError: AWS.LexRuntimeV2 is not a constructor" when using Lex V2 based Elicit Response Bots.
+- Bug fix "Cannot read property 'buttons' of undefined" when no buttons specified in response card.
+- Bug fix Protect against TypeError exception while processing fallback intent case for an invalid response provided to a LexV2 Response Bot. 
 ## [4.7.1]
 - Amazon Elasticsearch version 7.10 is now utilized.
 - Encrypted Elasticsearch (production) instance types now use m6g.large.elasticsearch for improved price/performance/memory.
diff --git a/lambda/fulfillment/Makefile b/lambda/fulfillment/Makefile
index f231bc435..f2e1ef5c2 100644
--- a/lambda/fulfillment/Makefile
+++ b/lambda/fulfillment/Makefile
@@ -3,4 +3,4 @@ DST=../../build/lambda/$(NAME).zip
 RESOURCES := $(shell  find . | grep -v node_modules | grep -v test )
 
 $(DST): $(RESOURCES) 
-	echo "Building $(NAME)"; npm install -production && zip -r -q $(DST) .
+	echo "Building $(NAME)"; rm $(DST); npm install -production && zip -r -q $(DST) .
diff --git a/lambda/fulfillment/lib/middleware/lexRouter.js b/lambda/fulfillment/lib/middleware/lexRouter.js
index e53232f79..7105a63b9 100644
--- a/lambda/fulfillment/lib/middleware/lexRouter.js
+++ b/lambda/fulfillment/lib/middleware/lexRouter.js
@@ -79,6 +79,7 @@ function lexV1ClientRequester(params) {
     });
 }
 function lexV2ClientRequester(params) {
+    console.log(`aws sdk version is ${AWS.VERSION}`);
     const lexV2Client = new AWS.LexRuntimeV2();
     return new Promise(function(resolve, reject) {
         lexV2Client.recognizeText(params, function(err, data) {
@@ -319,4 +320,4 @@ async function processResponse(req, res, hook, msg) {
     return resp;
 }
 
-exports.elicitResponse=processResponse;
\ No newline at end of file
+exports.elicitResponse=processResponse;
diff --git a/package.json b/package.json
index 694c843ae..0e0f42a66 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-ai-qna-bot",
-  "version": "4.7.1",
+  "version": "4.7.2",
   "engines": {
     "node": ">=12.16.1",
     "npm": ">=7.8.0"