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UTL_HTTP Fails With Ora-28750 And The Trace Contains "C_SetCertBER() returned error 1793" (Doc ID 2229645.1)

Last updated on SEPTEMBER 14, 2021

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


The UTL_HTTTP code is failing with the following error in database but the same SHA-2 type certificate is working fine with 12c database.

ERROR at line 1:
ORA-29273: HTTP request failed
ORA-06512: at "SYS.UTL_HTTP", line 1720
ORA-28750: unknown error
ORA-06512: at line 1

And the trace file shows following error

C_SetCertBER() returned error 1793 


 New SHA256 type certificates are installed to external site. Earlier it was using SHA-1 certificates.


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