Thread: java web application

Hi!
I'm trying to learn about javavweb application project.(Student Login project)
I have login page created in jsp file.
servlet page connected.
how to move next page in jsp file.loginsucessful i am created but page not found..
//java compiler level does not match the version of the installed java project facet.// my error massege.
//This is my code

package studentlogin;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.PreparedStatement;
import java.sql.SQLException;
 
public class Loginfirst {
 
	public boolean insert(User user) throws SQLException {
 
		 Connection con=null;
 
		boolean result=false;
		try {
		Class.forName("Oracle.jdbc.driver.OracleDriver");
		con=DriverManager.getConnection("jdbc:oracle:Comforters24:thin:@localhost:1521:newconnectionn","system","system");
		String query="Insert into login(UserName,Password) value(?,?)";
		PreparedStatement pst=con.prepareStatement(query);
		pst.setString(1, user.getUserName());
		pst.setString(1, user.getPassword());
		ResultSet rs=pst.executeQuery();
		result=rs.next();
		}
		catch (ClassNotFoundException e){
			e.printStackTrace();
			return result;
		}
		return result;	
	}
 
}

java compiler level does not match the version of the installed java project facet.// my error message.

Get the compiler's version by the command: Javac -version. I don't know how to determine the version of the installed version. Does it have any documentation?

Sorry, I don't do database programming. Try asking on this site: https://www.coderanch.com/c/databases

suddenly stopped working

What changed from when it was working?

Net Configuration Assistant

What is that? Is it part of your IDE?

Can you post the code you are asking about? Be sure to wrap the code in code tags:


[code]
**YOUR CODE GOES HERE**
[/code]

to get highlighting and preserve formatting.