Class.forName("oracle.jdbc.driver.OracleDriver"); DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver()); Hi, I am having problems calling a stored procedure. i want to call a stored procedure with no arguments. but i kept getting invalid arguments in call so i recompiled my procedure to take a number argument. now here is a snippit of the code i'm using to make the call. still getting invalid arguments in call in my catch.