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APEX Builder 502 Bad Gateway / SSO Token Error - eu-frankfurt-1

in Database

Summary:

APEX Builder and Database Actions are inaccessible in eu-frankfurt-1. The APEX instance is Available and deployed APEX applications run normally, but the authentication flow for APEX Builder and Database Actions fails with “Failed to exchange auth code for tokens” and then returns “502 Bad Gateway”. A full restart of the APEX instance and underlying database did not resolve the issue.

Content (please ensure you mask any confidential information):

Hello Oracle Team,

I am experiencing an authentication issue with my Oracle APEX Service instance in eu-frankfurt-1 (Germany Central – Frankfurt).

Environment:

  • APEX Instance: KHALIDAPEX
  • Instance Type: Always Free / Free Tier
  • Region: eu-frankfurt-1
Tagged:

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