Hi, I have succesfull connected my database to Jaspersoft Studio using curly braces, I also need to create data source in Jaspersoft server using the same database but problem using curly braces. Url : jdbc:sqlserver://192.170.170.3:1433;databaseName={Astrindo Starvision [Operational]_tes} Error : The JDBC URL contains invalid characters. You might have mistyped it Please help Thanks