Solution : https://service.sap.com/sap/support/notes/1993254 (SAP Service marketplace login required)
Key words :
customer component han-db-cli sap hana clients, priority recommendations / additional info category faq validity, exe] config trace filename <tracefile, / __%pdfstyle%__font-size, __%pdfstyle%__ / } symptom, sap hana odbc interface, odbc api calls debug, \program files\sap\hdbclient, sap hana client, /usr/sap/hdbclient