I have created one AWS Lex bot and I am invoking one lambda function from that bot. When testing the lambda function I am getting proper response but at bot I am getting below error:
An error has occurred: Received invalid response from Lambda: Can not construct instance of IntentResponse: no String-argument constructor/factory method to deserialize from String value ('2017-06-22 10:23:55.0') at [Source: "2017-06-22 10:23:55.0"; line: 1, column: 1]
Not sure, what is wrong and where I am missing. Could anyone assist me please?
The solution to above problem is that we need to make sure response returned by lambda function, to be used at AWS lex chat bot should be in below format:
{
"sessionAttributes": {
"key1": "value1",
"key2": "value2"
...
},
"dialogAction": {
"type": "ElicitIntent, ElicitSlot, ConfirmIntent, Delegate, or Close",
Full structure based on the type field. See below for details.
}
}
By this, chat bot expectd DialogAction and corresponding elements in order to process the message i.e. IntentResponse.
Reference: http://docs.aws.amazon.com/lex/latest/dg/lambda-input-response-format.html