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Oracle Access Manager 12c PS3 (OAM OAuth: API Gateway Authorization Error Occurred in Enforcing an Access Token OAuthAccessTokenException: Signature Validation (Doc ID 2473424.1)

Last updated on APRIL 21, 2023

Applies to:

Oracle Access Manager - Version and later
Information in this document applies to any platform.
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On : Oracle Access Manager 12c PS3 (OAM

We have API Gateway at client's side which is being configured to validate OAuth Tokens with OAM

API Gateway is securing APIs which are to be consumed by front end applications.

Front end application is generating OAuth token by calling token generation rest api at http://<OAM_HOSTNAME>:<OAM_PORT>oauth2/rest/token

We have provided "oracert.der" from "<DOMAIN_HOME>/config/fmwconfig/default-keystore.jks" to API Gateway.

But now when API cloud gateway tries to validate OAuth token, it throws below error:



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