Resolved! – AWS Lex: ‘An error has occurred: Received error response from Lambda: Handled’

While invoking Lambda function through AWS Lex we generally get below error. An error has occurred: Received error response from Lambda: Handled There could be many reasons for this error to occur. Suppose lambda has following callback response function in node.js: Now according to the AWS docs here the fullfilmentState is a mandatory key field also … Continue reading Resolved! – AWS Lex: ‘An error has occurred: Received error response from Lambda: Handled’

Node.js: Developing a chat bot on Microsoft Azure Portal

To develop  chat bot on Microsoft Azure Portal you should have Microsoft Outlook ID and you need to login to the Azure Account and activate the free trial  for next 30 days. After you have setup the Azure account he we need to go to: New > AI+Cognitive Services > Web App Bot As shown in … Continue reading Node.js: Developing a chat bot on Microsoft Azure Portal

Java-Spring or JavaScript-Node.js?

Spring Framework for Java has been around past 15 years since its initial release.  Most of the web developers prefer spring to build enterprise level web apps. But since last 3-4 years the Javascript has become more popular not only in the client-side development(Angular and React) but also towards the server-side development, thanks to nodejs.  … Continue reading Java-Spring or JavaScript-Node.js?