"Oracle database error 28759" Upon Connecting via SSL

Published: 13 Nov 2020
Last Modified Date: 08 Jul 2022


When opening a workbook in Tableau Server, the following error may occur:

Oracle database error 28759: ORA-28759: failure to open file



  • Tableau Server 2020.2 or older
  • Linux
  • Oracle with SSL


To use Oracle connections with SSL in Tableau Server on Linux, upgrade to Tableau Server 2020.3.


Oracle connections using SSL are supported in Tableau Server 2020.2 (and older) on Windows only.

Additional Information

When publishing a workbook that uses an Oracle connection with SSL to a Tableau Server on Linux, the following conditions are required:
  • The server uses the same Oracle JDBC connector as the Tableau Desktop computer.
  • The "Embedded password" option is selected when publishing the workbook.
Did this article resolve the issue?