3273512 - Rest adapter with OAuth authentication failed

Symptom

You have rest adapter with OAuth authentication, using grant_type = "***(for example, abc)".
It failed with error:
java.lang.RuntimeException: java.lang.RuntimeException: HTTP Communication Error. Could not retrieve oAuth Token.: java.lang.RuntimeException: HTTP Communication Error. Could not retrieve oAuth Token.: HTTP Communication Error. Could not retrieve oAuth Token.: null

Environment

SAP NetWeaver 7.5

Product

SAP NetWeaver all versions ; SAP Process Integration all versions

Keywords

Rest receiver, OAuth 2.0, Client Credentials Grant, access token, Bearer, BearerToken, HTTP, Header, Query, Process Orchestration 7.5, PI 7.5, PO 7.5, AEX, oAuth Token. , KBA , BC-XI-CON-RST , Rest Adapter , Problem

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