Getting "invalid_client_credentials" exception when using special characters in client secret on RHBK

Solution Verified - Updated -

Issue

  • Clients encounter authentication issues, resulting in HTTP 401 errors.

  • Server logs display an invalid_client_credentials error for the affected client.

    WARN  [org.keycloak.events] (executor-thread-18) type="LOGIN_ERROR", realmId="***", realmName="***", clientId="***", userId="null", ipAddress="***", error="invalid_client_credentials", grant_type="password"

Environment

  • Red Hat build of Keycloak (RHBK)
    • 22
    • 24
    • 26

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