Prep flow works fine when running via GUI but fails with the error below when we try to automate it from the command line. Machine is 64bit, maybe a class path needs to be added to tableau-prep-cli.bat in order to get the driver working?
JAVA_HOME is set to : F:\Tableau\Tableau Prep 2018.3\scripts\..\Plugins\jre temporarily
Preparing to run the flow : F:\Tableau\Prep Flows\Job1.tfl
Loading the flow.
Loaded the flow.
Updated the connections with supplied credentials.
Established input connections to remote connection: XXXXXXX
Failed to connect to server with connection ID b98067cd-b8b3-496e-adf9-baae0d617636:
An error occurred while communicating with Teradata.
Specified driver could not be loaded due to system error 126: The specified module could not be found. (Teradata, C:\Program Files\Teradata\Client\15.00\ODBC Driver for Teradata nt-x8664\Lib\tdata32.dll). Unable to connect to the Teradata server "XXXX". Check that the server is running and that you have access privileges to the requested database.