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Questions tagged [usebean]

46 questions
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How to display data of an ArrayList using useBean; no JSTL

My servlet is building an ArrayList of a specific class (or a null ArrayList) and then setting it as an attribute in request and then forward to a JSP. In the JSP I am displaying the contents of that ArrayList using scriptlet. Now in the JSP I want…
ChumboChappati
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InstanciationException Java bean

im trying to do my first practices in JSP. I need instanciate a Java Bean using standard actions. I have the next bean: package bean; public class Cotizacion implements java.io.Serializable { private static final long serialVersionUID = 1L; …
ramiromd
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Cannot instantiate the type Iterator in JSP (Exception: The value for the useBean class attribute ... is invalid)

this is my code, it seems right to me! i don't know why it keeps saying this: "Cannot instantiate the type Iterator" this is the servlet: package uges.servlets; import jess.*; import java.io.*; import javax.servlet.*; import…
Lama
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In JSP setProperty useBean how do we populate Lists

My source code is: public class ContestForm { List subContests; } public class SubContestForm { int minAgeInclusive; }
Deepak Singhal
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Is it possible to use usebean on conditions in JSP?

I have a application which allows user to make a search. Based on the search criteria entered, a service call to DAO function is made (pattern jsp event -> interceptors -> processors -> services -> DAO -> database) and list of results is returned…
Vicky
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What is best way of JSTL or jsp:useBean

I have currently use jstl to my jsp pages. I displayed some data in tag. In that data length exceed the 15 characters i need to only display the first 15 characters and followed by ... In that case i can use jstl and validate the…
Amila
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Why java useBean saying invalid class value?

When trying to use a java bean in the jsp useBean attribute it's always generating errors like "invalid bean class" For example: But it still throws invalid class value Exception.
Moses Henen
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java - useBean in jsp and getAttribute in jsp but NULL

Possible Duplicate: jsp useBean is NUll by getAttribute by servlet user is null in servlet. Pls let me if doing mistake. i m trying to get all html element in bean rateCode.jsp **<%@page import="com.hermes.data.RateCode_" %>**
Ravi Parekh
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invalid standard action error on Tomcat

I have started to learn JSP and I tried to write my first JSP page and use action tag. The bean is an empty class that has no property and only one method print(): package foo; import java.io.Serializable; public class FirstBean…
olzha bala
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Using model value as bean in JSP

Given the following controller: @Controller public class LandingPageController { @RequestMapping(value = "/landingPage", method = RequestMethod.GET) public String landingPage(Map model) { model.put("page", new…
Streetshark
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How to call a servlet from JSP page?

Possible Duplicate: Calling a servlet from JSP file I have used following code to call a conn.java (servlet) from index.jsp. It works. <%@page import= "java.util.ArrayList"%> <%@page contentType="text/html" pageEncoding="UTF-8"%>
Parith
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Why in jsp jsp:useBean "scope" attribute has proposals?but c:set "scope" attribute don't has proposals?

Why in jsp jsp:useBean "scope" attribute has proposals? but c:set "scope" attribute don't has proposals?
feilong
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Why I am unable to access the values of methods in a Beanclass?

<% out.println( bc.getUserid()); %> I want to access the methods in my bean class Credentials. When I am trying to do so, I am getting null. Why?
Niks Arora
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How to retrieve the attribute session a second time

I want to put a form to add a picture on my website and refresh the page with the added page. I use an object ("catalogue") which contain all the pictures and put it in a session attribute. Then the jsp file retrieve this attribute and show all the…
user3185672
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How to fill JSTL var with an ArrayList and iterate it to populate a select without using Servlet

I'm trying to get some specialities from a function called getAllSpecialities() (which's inside of MedicBean) and store them in a JSTL/EL var called specialitiesList. This function returns an ArrayList of Strings and it works fine, it returns all…
Drumnbass
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