[APIM-4.1.0] Error while invoking internal REST APIs using JWT

[sashansamarajeewa]

Description

When invoking internal REST APIs using a JWT token following error is printed in the wso2carbon.log

[2023-01-24 15:34:18,086] ERROR - OAuthJwtAuthenticatorImpl JWT token issuer validation failed. Reason: Issuer present in the JWT (https://localhost:9443/oauth2/token) does not match with the token issuer ([])
[2023-01-24 15:34:18,086] ERROR - OAuthJwtAuthenticatorImpl Invalid JWT token :...XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1FG8onHg

Steps to Reproduce

• Create an application in the devportal and generate keys.
• Generate a JWT token with the required scopes for invoking an internal REST API.
• Invoke the REST API using the JWT token.
  eg: https://localhost:9443/api/am/publisher/v3/apis/{apiId}/documents
• Following error is returned as the response.
  {
  "code": 401,
  "message": "",
  "description": "Unauthenticated request",
  "moreInfo": "",
  "error": []
  }

Affected Component

APIM

Version

4.1.0

Environment Details (with versions)

No response

Relevant Log Output

No response

Related Issues

No response

Suggested Labels

No response

[YasasRangika]

Closing this issue as per the comments in the internal issue. This request is not valid from the APIM perspective.