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JSF web application nul pointer exception

Greenhorn

Posts: 13

posted 5 years ago

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Please help my website gives null pointer exception when i submit my form
My index.xhtml page

my newManagedJSFbean

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import javax.inject.Named;
import javax.enterprise.context.Dependent;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;

/**
 *
 * @author Keep Smiling
 */

@ManagedBean(name="user")
@RequestScoped
public class NewJSFManagedBean {
String pname="";
    /**
     * Creates a new instance of NewJSFManagedBean
     */
    public NewJSFManagedBean() {
    }
    
    
    // Add business logic below. (Right-click in editor and choose
    // "Insert Code > Add Business Method")

public String getPname() {
        return pname;
    }

public void setPname(String pname) {
        this.pname = pname;
    }
    
    public String insert() throws ClassNotFoundException, SQLException
    {
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        Connection c=DriverManager.getConnection("jdbc:odbc:adb");
        PreparedStatement ps=c.prepareStatement("INSERT INTO product(pname) VALUES(?)");
        ps.setString(1,pname);
        ps.executeUpdate();
        return "success";
        
    }

}

my faces config page

Tim Holloway

Saloon Keeper