I am trying to use the below aws cli command to invoke the lambda function.
aws lambda invoke --invocation-type RequestResponse --function-name HelloWorldJava --payload \"world\" outputfile.txt
But Iam getting below error.
Invalid base64: ""world""
The book I am referring to is using the same method.
Your payload has to be JSON according to the docs, but I think there is no hard requirement for that. When you want to pass in a string value directly (JSON or otherwise) you also need to be sure that you pass --cli-binary-format raw-in-base64-out.
So you command should be:
aws lambda invoke --invocation-type RequestResponse --function-name HelloWorldJava --cli-binary-format raw-in-base64-out --payload \"world\" outputfile.txt
--payload
The JSON that you want to provide to your Lambda function as input.
You can enter the JSON directly. For example,
--payload '{ "key": "value" }'. You can also specify a file path. For example,--payload file://payload.json.
you need to clarify with this command:
--cli-binary-format raw-in-base64-out
Here is the correct syntax:
aws lambda invoke \
> --invocation-type RequestResponse \
> --function-name HelloWorldJava \
> --cli-binary-format raw-in-base64-out \
> --payload \"world\" outputfile.txt
Run your code again
You need to pass payload as a json-string - https://docs.aws.amazon.com/cli/latest/reference/lambda/invoke.html#examples
--payload (blob)
The JSON that you want to provide to your Lambda function as input.
You can enter the JSON directly. For example, --payload '{ "key": "value" }' . You can also specify a file path. For example, --payload file://payload.json .
aws lambda invoke \
--function-name my-function \
--payload '{ "name": "Bob" }' \
response.json
