private String StaffByJSPDirect() throws SQLException {
Connection cn = null;
StringBuffer sb = new StringBuffer();

try {
cn = DriverManager.getConnection("jdbc:oracle:thin:@serv_w2kl:1521:W2KL", "dlo_adm", "corban");
}
catch (SQLException e) { };

Statement st = null;
ResultSet rs = null;

try {

st = cn.createStatement();
rs = st.executeQuery("SELECT * from Log_table");

while (rs.next()) {
sb.append("Number=" + rs.getString(1) + "\n");
};
cn.close();
}

catch (SQLException e) { };

return sb.toString();
}

Ругается на st = cn.createStatement();

А как проверить соединение прошло или не прошло ????