菜鸟问题

Question

<%@page contentType="text/html;charset=8859_1"%>
<%@page import ="java.sql.Connection"%>
<%@page import ="java.sql.PreparedStatement"%>
<%@page import ="java.sql.ResultSet"%>
<%
Connection conn;
PreparedStatement pStmt;
ResultSet rs=null;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 
    conn=java.sql.DriverManager.getConnection("jdbc:odbc:xsgl","sa","123456");
pStmt=conn.prepareStatement("select * from usertable where uname=? and upwd=?");
String ss=request.getParameter("B1");
if(ss.equals("denglu"))
{
String username=request.getParameter("username");
String userPWD=request.getParameter("userPWD");
pStmt.setString(1,username);
pStmt.setString(2,userPWD);
rs=pStmt.executeQuery();
if(rs.next()){%>
welcome
<%}else{%>
denglushibai.<a href="login.html">back</a>
<%}
rs.close();
}
   conn.close();
   }
%>报错：
An error occurred at line: 25 in the jsp file: /check.jsp
Generated servlet error:
Syntax error, insert "Finally" to complete TryStatementGenerated servlet error:
Syntax error on token "catch", Identifier expectedGenerated servlet error:
out cannot be resolvedGenerated servlet error:
_jspx_out cannot be resolvedGenerated servlet error:
out cannot be resolvedGenerated servlet error:
out cannot be resolvedGenerated servlet error:
out cannot be resolvedGenerated servlet error:
_jspx_page_context cannot be resolvedGenerated servlet error:
_jspx_page_context cannot be resolvedGenerated servlet error:
Syntax error on token "finally", { expectedGenerated servlet error:
_jspxFactory cannot be resolvedGenerated servlet error:
_jspxFactory cannot be resolvedGenerated servlet error:
_jspx_page_context cannot be resolved

Answer 1

Connection conn 没初始化把，初始化下看看
还有下边那个