Request hangs on missing credentials

• I’ve gone though Developer Guide and API reference
• I’ve checked AWS Forums and StackOverflow for answers

---

When I attempt to run request without an AWS credentials it just hangs infinitely.

I’d expect it to crash immediately with Missing credentials error.

Why it’s not the case?

e.g. following will just hang if run without any AWS creds setup:

const { Lambda } = require('aws-sdk');
const lambda = new Lambda();

lambda
  .invoke({ FunctionName: 'foo' })
  .promise()
  .then(
    data => console.log('Success', data),
    error => console.log('Error', data)
  );

[mhart]

@medikoo have you tried connectTimeout? That worked for me last time I checked this issue

EDIT: connectTimeout, not connectionTimeout

[leonaves]

@ajredniwja

Regarding your statement:

I understand the concern there and it can be frustrating at times. I believe this is not necessarily a bug but the behavior of the SDK which can be enhanced. Hence would like to mark it as a feature request.

I’m not sure if anyone has mentioned/encountered this, but when I run the SDK with invalid credentials a few times, it occasionally does error with MissingCredentials, but usually hangs. This definitely would classify as a bug to me, if the behaviour is inconsistent. It should either hang consistently or throw an error consistently.