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Exception in JSP using Java beans  RSS feed

salmanhassan jaffery
Posts: 1
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I m having a TRY and Catch error , when i try to call java beans from my JSP page ....TRY nad catch error occour.

The code of my JSP file is given below :


<body bgcolor="#0000ff">

<jsp:useBean id="authentic" class="authentication.authenticateBean" scope="session">


String username = request.getParameter("username");
String password = request.getParameter("password");

if (username!=null) validate.checkUsername(username);

if(password!=null) validate.checkPassword(password);


Please Login

<form action="abc.jsp" method="POST">

USERNAME: <input type="text" name="username" > <br>
PASSWORD: <input type="text" name="password" > <br>

<input TYPE="submit" value="Login">



package authentication;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;

public class authenticateBean
implements SessionBean {
SessionContext sessionContext;

public void ejbCreate() throws CreateException {

public void ejbRemove() {

public void ejbActivate() {

public void ejbPassivate() {

public void setSessionContext(SessionContext sessionContext) {
this.sessionContext = sessionContext;

public void checkUsername(String username)

if(username.length() < 4 )
System.out.println("the password "+username+ "is too short");

public void checkPassword(String password)
if(password.length() < 4 )
System.out.println("the password "+password+ "is too short");

Can anyone tell what i am doing wrong?
Ben Souther
Posts: 13411
Firefox Browser Redhat VI Editor
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You're aware that JavaBeans and EJB are two different technologies, aren't you? Are you using an EJB Container?

The useBean tag is for simple JavaBeans.
[ January 17, 2005: Message edited by: Ben Souther ]
It is sorta covered in the JavaRanch Style Guide.
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