Why am I getting "Code '<uuid>' already used for userSession '<another UUID>' and client '<the other UUID>'" warning?

Solution Unverified - Updated -

Issue

I received following waring:

WARN  [org.keycloak.protocol.oidc.utils.OAuth2CodeParser] (default task-n) Code '<uuid>' already used for userSession '<another UUID>' and client '<the other UUID>'

What is the issue? Can I ignore it?

Environment

  • Red Hat Single Sign-On (RH-SSO)
    • 7.x

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