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Error "ORA-03137 malformed TTC packet from client rejected" When Connecting to an Oracle Database v12.2


Published: 12 Feb 2018
Last Modified Date: 02 Jul 2018

Issue

When Tableau Desktop and Tableau Server are connected to an Oracle Database v12.2, the following errors occur in the database logs:

"ORA-03137: malformed TTC packet from client rejected.
Bad TTC Packet Detected."

Environment

  • Tableau Server 10.4.0
  • Oracle 12.2.0.1

Resolution

This is a known issue that is currently being investigated by Tableau's Engineering team
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