SAP Knowledge Base Article - Preview

3727580 - Error: OAuth2AuthenticationException with message "OAuth 2.0 Parameter: grant_type" in SAP Commerce Cloud when OAuth token requests from CPI failed with 400 code

Symptom

  • OAuth token requests from CPI to SAP Commerce return response with 400 code.
  • On SAP Commerce Cloud side following can be found via Dynatrace:
    Exception:
    org.springframework.security.oauth2.core.OAuth2AuthenticationException
    Message:
    OAuth 2.0 Parameter: grant_type
  • On CPI side following error is shown:
    com.sap.gateway.core.ip.component.odata.exception.OsciException Error in retrieving Authorization header IllegalArgumentException: Status code: 400 { "error_description": "OAuth 2.0 Parameter: grant_type", "error": "unsupported_grant_type" }".


Read more...

Environment

  • SAP Commerce Cloud
  • SAP Commerce Cloud, integration extension pack
  • Cloud Integration(CPI)

Product

Cloud Integration all versions ; SAP Commerce Cloud all versions ; SAP Commerce Cloud, integration extension pack all versions

Keywords

OAuth, CPI, grant_type, unsupported_grant_type , KBA , CEC-SCC-INT-S4I-AOM , SAP Asynchronous Order Management , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.