try { Class.forName("com.mysql.jdbc.Driver").newInstance(); String ConnectionString="jdbc:mysql://" + hostname + "/" + database + "?user=" + username + "&password=" + password; System.out.println(ConnectionString); Connection conn = DriverManager.getConnection(ConnectionString); Statement stmt=conn.createStatement(); stmt.execute("call error_test_proc(1)"); } catch(SQLException SQLEx) { System.out.println("MySQL error: "+SQLEx.getErrorCode()+ " SQLSTATE:" +SQLEx.getSQLState()); System.out.println(SQLEx.getMessage()); }