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UTL_HTTP Fails with "ORA-44102: Unknown or Unsupported Algorithm" After Upgrading Database to (Doc ID 2472051.1)

Last updated on JULY 20, 2024

Applies to:

PL/SQL - Version to [Release 12.1]
Information in this document applies to any platform.


The call to a remote web service using UTL_HTTP fails with "ORA-44102: Unknown or Unsupported Algorithm" after upgrading the database from to The same call works fine when invoked from database.

As can be seen above, the response contains an empty "Content-Encoding" header, which is illegal as per the HTTP specification documented at the following URL


The invocation of the web service is successful in RDBMS version and other 12c versions as well e.g., and onwards. The UTL_HTTP package fails with "ORA-44102" only in version


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