• Open “ODBC Administrator” and click on “Configure” button of the DSN created for connecting Tableau with OBIEE. 
  • Click on Advanced Settings Icon to open the advanced settings dialog box.
  • Select the “Enable Query Logging” checkbox.
  • Click OK and close BI Connector dialog box. 

This will generate all necessary logs in "biconnector.log" file for deeper analysis along with an additional log file named "biconnector.log-w.txt".

NOTE: After collecting the logs for analysis, remember to deselect the same checkbox. This will help in stop growing the log files unnecessarily.