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Thread: Can any One answer it !!!!!!!!!!!!!!!!!!!!!

  1. #1
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    Exclamation Can any One answer it !!!!!!!!!!!!!!!!!!!!!

    how to send the form data to database using servlets and hibernate???????

    m getting org.hibernate.Session. showing ClassNotFoundException..

    help!!!!!!!!!!!!!!!!!

    mycode:
    login.jsp
    <form action="Servlet" >
    id
    <input type="text" name="id"></br>
    username
    <input type="text" name="username"></br>
    lastname
    <input type="text" name="lastname"></br>
    <input type="submit" value="submit">
    </form>
    hibernate.cfg.xml

    <?xml version='1.0' encoding='utf-8'?>
    <!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

    <hibernate-configuration>

    <session-factory>

    <!-- Database connection settings -->
    <property name="connection.driver_class">oracle.jdbc.driver. OracleDriver</property>
    <property name="connection.url">jdbcracle:thin:@localhost:1521:XE</property>
    <property name="connection.username">system</property>
    <property name="connection.password">system</property>

    <!-- JDBC connection pool (use the built-in) -->
    <property name="connection.pool_size">2</property>

    <!-- SQL dialect -->
    <property name="dialect">org.hibernate.dialect.OracleDialect </property>

    <!-- Enable Hibernate's current session context -->
    <property name="current_session_context_class">org.hibernate .context.ManagedSessionContext</property>

    <!-- Disable the second-level cache -->
    <property name="cache.provider_class">org.hibernate.cache.No CacheProvider</property>

    <!-- Echo all executed SQL to stdout -->
    <property name="show_sql">true</property>

    <!-- Drop and re-create the database schema on startup -->
    <property name="hbm2ddl.auto">update</property>

    <mapping resource="com/com/Person.hbm.xml"/>

    </session-factory>

    </hibernate-configuration>

    Pojo:
    Person.java

    package com.com;

    public class Person {
    private String id;
    private String username;
    private String lastname;
    public String getId() {
    return id;
    }
    public void setId(String id) {
    this.id = id;
    }
    public String getUsername() {
    return username;
    }
    public void setUsername(String username) {
    this.username = username;
    }
    public String getLastname() {
    return lastname;
    }
    public void setLastname(String lastname) {
    this.lastname = lastname;
    }


    }


    servlet.java
    package com.com;

    import java.io.IOException;
    import java.io.PrintWriter;

    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;

    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.cfg.Configuration;

    /**
    * Servlet implementation class Servlet
    */
    public class Servlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
    * @see HttpServlet#HttpServlet()
    */
    public Servlet() {
    super();
    // TODO Auto-generated constructor stub
    }

    /**
    * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    PrintWriter out=response.getWriter();
    String s1=request.getParameter("id");
    String s2=request.getParameter("username");
    String s3=request.getParameter("lastname");

    Session s=HibernateUtil.getSession();

    Person p=new Person();
    //p.setId(s1);
    p.setUsername(s2);
    p.setLastname(s3);
    s.beginTransaction();
    s.save(p);
    s.getTransaction().commit();
    s.flush();
    s.close();
    System.out.println("done");
    out.print("done");
    out.close();














    }

    }


  2. #2
    Forum VIP
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    Default Re: Can any One answer it !!!!!!!!!!!!!!!!!!!!!

    The best I can guess is that you are missing the dependency for org.hibernate.Session (I think it is a JBoss dependency?).
    If the program compiles correctly but throws this exception during deployment, this would indicate that the dependency does not exist at runtime. If you are running your program on a server, your first step would be seeing if you can find the dependency in the server files. Depending on how you deploy to your server, you can sometimes have issues where the dependencies are not deploying alongside your product.
    NOTE TO NEW PEOPLE LOOKING FOR HELP ON FORUM:

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