node-aws-lex-bot-communicator-demo

A demo repository to do the AWS Lex Bot communication with AWS JS SDK (v2/v3)

• This app is created to demostrate the AWS JS SDK V3 library NODEHTTP2 session error

Setup & Run the app

# Clone the repo into your local
git clone https://github.com/hari-007/node-aws-lex-bot-communicator-demo.git

# Go inside the app
cd node-aws-lex-bot-communicator-demo

# Install the libraires
npm i

Make sure you have updated the .env file

I have not included the senstive information like access_key, access_secrete, bot_id, and bot_alias_id. So,please use yours.

# Finally start the app. Default port is > 3007
npm start

How to reproduce this:

• Check below two libraries approach after setup and installation completes

With V3 AWS-SDK-JS library -- Session destroy issue (until the version 3.16.0)

Description:

• lex-client-v3.js :: File contains the @aws-sdk/client-lex-runtime-v2 client of aws-sdk-js-v3 implementation.
• postMessage() :: Method contians two ways of initializing the client-lex-runtime-v2.
• We can try both the approaches to reproduce the session destroyed issue

Steps to reproduce:

• Use postman/insomnia to call below endpoint with JSON body as { "text": "***** anything ***"}

POST :: http://localhost:3007/v3/send

• Or use below curl

curl --location --request POST 'http://localhost:3007/v3/send' \
--header 'Content-Type: application/json' \
--data-raw '{ "text": "getting started"}'

With V2 AWS-SDK-JS library -- No issues

• This is working as expected and no issues noted.
• To call this endpoint use below details with JSON body as { "text": "***** anything ***"}

POST :: http://localhost:3007/v2/send

• Or use belwo curl

curl --location --request POST 'http://localhost:3007/v3/send' \
--header 'Content-Type: application/json' \
--data-raw '{ "text": "getting started"}'