This topic tells you how to resolve common errors that arise when configuring a single sign-on partnership between Okta and Single Sign‑On for VMware Tanzu Application Service.

Page Not Found

Symptom

You see an error similar to the following screenshot:

The error message page reads, 404 Page not found. We couldn't find the page you were looking for. The message is followed by the button Go to Homepage.

Explanation

Possible explanations are as follows:

  • The Okta instance is inactive.

  • The Recipient URL is misconfigured in Okta.

  • The identity provider SSO URL is misconfigured in the Single Sign‑On plan settings.

No Valid Assertion

Symptom

You see an error similar to the following screenshot:

The error message page reads, Response doesn't have any valid assertion which would pass subject validation.

Explanation

Possible explanations are as follows:

  • The service provider Entity ID is misconfigured in Okta.

  • The Destination URL is misconfigured in Okta.

Webpage Not Available

Symptom

You see an error similar to the following screenshot:

The error message page reads, This webpage is not available. DNS_PROBE_FINISHED_NXDOMAIN. The message is followed by a link for Details.

Explanation

The SSO URL is misconfigured in Okta.

Metadata Not Found

Symptom

You see an error similar to the following screenshot:

The error message page reads, Metadata for issuer http://www.okta.com/exk5s... wasn't found.

Explanation

The identity provider Entity ID is misconfigured in the Single Sign‑On plan settings.

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