OAuth 2.0 Device Authorization Grant fails with unknown_error

Solution Unverified - Updated -


  • "OAuth 2.0 Device Authorization Grant" fails if "Consent Required" is enabled for the client
  • RH-SSO responds with unknown_error in "OAuth 2.0 Device Authorization Grant" and following error is observed in logs
 Uncaught server error: java.lang.IllegalStateException: stream has already been operated upon or closed


  • Red Hat Single Sign-On (RH-SSO)
    • 7.5.0

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content