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AWS Cognito seems to be broken (20/2/2018).

We had a user pool with users and the users list is now empty.

I replicated the issue creating a new user pool, and adding a user, yet the user list is empty.

enter image description here

Even the cli gives an empty list

aws cognito-idp list-users --user-pool-id <my-region>_<my_UP_ID>
{
    "Users": []
}

On the existing pool, it happened to be using groups, and there, the users are shown. With a curious detail, when linking on a user that was being accessed recently, the last activity is older than a month. enter image description here

It is bound to be a problem, so logged into technical support already, will wait for an answer. In the meantime maybe someone can find workarounds.

Efren
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1 Answers1

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AWS was broken and a whole working day does not fit the criteria to notify customers.

On Tuesday afternoon 21/2/2017 AEDT we discovered an issue that led to increased error rates with ListUsers API calls in Sydney region where empty results were being returned for a limited number of customers. At the time, it was still possible to search for users by specifying Username or user attributes or filters such as Status or Enabled using the same API. Apart from impacted functionality of ListUsers API used for listing existing users, all other service functions were operating as expected.

The issue which was isolated to Sydney region and a limited number of customers only, was resolved soon after being detected and the service has been operating normally since. According to AWS management this issue did not meet the criteria for an announcement in service health dashboard and on behalf of AWS I apologize for any inconvenience this may have caused in your environment.

Efren
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