Hidden tag in a jsp
I would like to give a hidden tag a value. The value i need to give the hidden tag is from the previous jsp's hidden tag. how do i do this thank you.
As already stated, some of this depends on the developer and his/her preferences and skillset. However, any business logic that I wanted to protect or hide would automatically go on the server side rather than in plaint-to-see JavaScript. I am more comfortable with the server-side coding and I prefer not to have to deal with browser idiosyncrasies, so I generally prefer Java EE or JavaScript unless there are compelling reasons to perform the work on the client side (such as need for highly dynamic behavior without server accesses).
Similar Messages
-
I have two forms Page1.jsp and Page2.jsp
when i invoke page1.jsp i pass a customer id to it ... the actionclass gets it and displays Page 1.jsp
now when i click on Page 1.jsp i need to pass the same id to Page 2.jsp's Action class
How do i do it
Is it possible using <html:hidden> tag
Thanks
~Kthat's certainly 1 way to do it, sure.
-
Access HTML hidden field value in JSP
Hi,
I have a JSP and need to access the hidden fields on that HTML page,
i.e. in HTML i have a hidden tag
<form name="login">
<input type="hidden" name="language" value="en">
</form>
in my jsp i want to read the value of hidden field language
how can i do it???You read it as any other field :
String lng=request.getParameter("language");
The string lng will contain the value "en"
regards -
Escape attributes for hidden tags
Hi all,
We have a migrated app that created escape attributes for some hidden tags.
ie.
<jato:hidden name="stBeginningCommission" fireDisplayEvents="true"
escape="true" /> <br>
Looking at the jato.tld and the code for HiddenTag.java, the escape
attribute isn't one that get used for hiddens.
We did a quick clean up and removed the attribute from the JSP but I though
I might be worth a mention for future releases.
It's interesting is tomcat 3.2.1 allows this and 3.2.3 does not.
Kostas
org.apache.jasper.compiler.CompileException:
C:\apps\jakarta-tomcat-3.2.3\webapps\ras\ras\voyager4\pgVoucherOffTheTopNew.
jsp(473,4) Attribute escape invalid according to the specified TLD
at
org.apache.jasper.compiler.TagBeginGenerator.validate(TagBeginGenerator.java
:170)
at
org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java:119
[Non-text portions of this message have been removed]Dude,
How was the holiday? Hope you had a great time. I see iRise have
you busy again.
Things are going well over here with bug fixing and the new work, so
I'm ultra busy...that life. Give me a shout if you are in my part of
town again, and we can sink a few JDs.
Harry
______________________________ Reply Separator _________________________________
Subject: [iPlanet-JATO] RE: escape attributes for hidden tags
Author: kmorfis (kmorfis@i...) at unix,mime
Date: 25/08/01 02:26
I take everything back.
The tag was originally a text field. It was changed after translation to a
hidden without removing the attribute.
Kostas
-----Original Message-----
From: Kostas Morfis
Sent: 8/24/01 6:14 PM
Subject: escape attributes for hidden tags
Hi all,
We have a migrated app that created escape attributes for some hidden
tags.
ie.
<jato:hidden name="stBeginningCommission" fireDisplayEvents="true"
escape="true" /> <br>
Looking at the jato.tld and the code for HiddenTag.java, the escape
attribute isn't one that get used for hiddens.
We did a quick clean up and removed the attribute from the JSP but I
though I might be worth a mention for future releases.
It's interesting is tomcat 3.2.1 allows this and 3.2.3 does not.
Kostas
org.apache.jasper.compiler.CompileException:
C:\apps\jakarta-tomcat-3.2.3\webapps\ras\ras\voyager4\pgVoucherOffTheTop
New.jsp(473,4) Attribute escape invalid according to the specified TLD
at
org.apache.jasper.compiler.TagBeginGenerator.validate(TagBeginGenerator.
java:170)
at
org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java
:119)
[Non-text portions of this message have been removed]
[email protected]
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for the individual named. If you are not the named addressee you
should not disseminate, distribute or copy this e-mail. Please
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How to use Flex tag library in jsp
Hi All,
We are planning to use flex in our J2EE application in order
to show some charts. Our j2ee application is in JSP,Struts. I have
searched on google about this and found that I can include flex 3
tab library in the jsp in order to use mxml tag in the jsp. I have
written a sample program in the jsp which uses flex.
<%@ taglib uri="FlexTagLib" prefix="mm" %>
<SCRIPT LANGUAGE="JavaScript">
function showMessage() {
message.value = "Use this application wisely";
function hideMessage() {
message.value = "";
</SCRIPT>
<mm:mxml border="5" onmouseover="showMessage();"
onmouseout="hideMessage();">
</mm:mxml>
<TABLE>
<TR>
<TD><input type="text" name="message"
size="50"></TD>
</TR>
</TABLE>
I have added entry inweb.xml. See below,
<taglib>
<taglib-uri>FlexTagLib</taglib-uri>
<taglib-location>/WEB-INF/tlds/flex-bootstrap.jar</taglib-location>
</taglib>
Following are the problems that I am currently facing.
1) Could anybody let me know whether the entry of
<taglib> tag is correct in the web.xml. Is it the correct
jar(flex-bootstrap.jar) that I should include?
2) If yes, from where to download it? or
If no, what is correct jar that i should include and how?
your response will be highly appriciated as this is the major
requirement in our project?
Thanks ,
ChandanHi,
Pleas find details at the URL below.
http://labs.adobe.com/wiki/index.php/Flex_2_Tag_Library_for_JSP
Hope this helps. -
Custom tag in included JSP page cause exception (WLS 5.1 SP 9)
An application use custom tags (JSP Tag extensions) in JSP page
included into another JSP page by means <jsp:include> instruction.
After we had installed Service Pack 9 for Weblogic 5.1
browser's call of including JSP began show an error.
When I remove Weblogic510sp9.jar and Weblogic510sp9boot.jar
references from startWebLogic.cmd, the error diagnostic disappear.
Is Service Pack Number 9 wrong?
==========================
Web browser diagnostic:
Error 500--Internal Server Error
From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
10.5.1 500 Internal Server Error
The server encountered an unexpected condition which prevented it from fulfilling
the request.
==========================
Console diagnostic:
Tue Jun 05 17:40:14 MSD 2001:<I> <WebAppServletContext-dscat> looking for taglib
uri /exttags.tld as resource /WEB-INF/e
xttags.tld in Web Application root:
Tue Jun 05 17:40:15 MSD 2001:<I> <WebAppServletContext-dscat> Generated java file:
C:\weblogic\dscat\WEB-INF\_tmp_war_ds
cat\jsp_servlet\_jsp\_opos\_catalog.java
Tue Jun 05 17:40:25 MSD 2001:<E> <WebAppServletContext-dscat> Servlet failed with
Exception
java.lang.VerifyError: (class: jsp_servlet/_jsp/_opos/_catalog, method: _jspService
signature: (Ljavax/servlet/http/Http
ServletRequest;Ljavax/servlet/http/HttpServletResponse;)V) Register 12 contains
wrong type
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Unknown Source)
at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:469)
at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java,
Compiled Code)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:442)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:228)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:200)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:115)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:138)
at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:915)
at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:879)
at weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletContextManager.java:269)
at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:365)
at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:253)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled Code)
==========================
Including JSP file:
<%@ include file="catalog_real.jsp" %>
==========================
Included JSP file:
<%@ taglib uri="/exttags.tld" prefix="dscat" %>
<dscat:pageheader>Catalog header</dscat:pageheader>
==========================
Tag extansions library (WEB-INF/exttags.tld file):
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<taglib>
<tlibversion>1.0</tlibversion>
<jspversion>1.1</jspversion>
<shortname>dscat</shortname>
<tag>
<name>pageheader</name>
<tagclass>ru.ibs.xbcat.view.tag.PageHeader</tagclass>
</tag>
</taglib>
==========================
Class PageHeader:
package ru.ibs.xbcat.view.tag;
import java.io.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public class PageHeader extends BodyTagSupport {
public int doStartTag() throws javax.servlet.jsp.JspException {
return BodyTag.EVAL_BODY_TAG;
public int doAfterBody() throws javax.servlet.jsp.JspException {
return(SKIP_BODY);
Are you using Jikes? See if this helps ...
http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=article&group=weblogic.developer.interest.jsp&item=6287&utag=
Mike
"Radik Usmanov" <[email protected]> wrote:
>
>An application use custom tags (JSP Tag extensions) in JSP page
>included into another JSP page by means <jsp:include> instruction.
>
>After we had installed Service Pack 9 for Weblogic 5.1
>browser's call of including JSP began show an error.
>When I remove Weblogic510sp9.jar and Weblogic510sp9boot.jar
>references from startWebLogic.cmd, the error diagnostic disappear.
>
>Is Service Pack Number 9 wrong?
>==========================
>Web browser diagnostic:
>
>Error 500--Internal Server Error
>From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
>10.5.1 500 Internal Server Error
>The server encountered an unexpected condition which prevented it from
>fulfilling
>the request.
>
>==========================
>Console diagnostic:
>
>Tue Jun 05 17:40:14 MSD 2001:<I> <WebAppServletContext-dscat> looking
>for taglib
>uri /exttags.tld as resource /WEB-INF/e
>xttags.tld in Web Application root:
>Tue Jun 05 17:40:15 MSD 2001:<I> <WebAppServletContext-dscat> Generated
>java file:
>C:\weblogic\dscat\WEB-INF\_tmp_war_ds
>cat\jsp_servlet\_jsp\_opos\_catalog.java
>Tue Jun 05 17:40:25 MSD 2001:<E> <WebAppServletContext-dscat> Servlet
>failed with
>Exception
>java.lang.VerifyError: (class: jsp_servlet/_jsp/_opos/_catalog, method:
>_jspService
>signature: (Ljavax/servlet/http/Http
>ServletRequest;Ljavax/servlet/http/HttpServletResponse;)V) Register 12
>contains
>wrong type
> at java.lang.Class.newInstance0(Native Method)
> at java.lang.Class.newInstance(Unknown Source)
> at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:469)
> at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java,
>Compiled Code)
> at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:442)
> at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:228)
> at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:200)
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:115)
> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:138)
> at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:915)
> at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:879)
> at weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletContextManager.java:269)
> at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:365)
> at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:253)
> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled
>Code)
>
>==========================
>Including JSP file:
>...
> <%@ include file="catalog_real.jsp" %>
>...
>
>==========================
>Included JSP file:
>...
> <%@ taglib uri="/exttags.tld" prefix="dscat" %>
>...
><dscat:pageheader>Catalog header</dscat:pageheader>
>...
>==========================
>Tag extansions library (WEB-INF/exttags.tld file):
>
><?xml version="1.0" encoding="ISO-8859-1" ?>
><!DOCTYPE taglib
> PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
> "http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
>
><taglib>
> <tlibversion>1.0</tlibversion>
> <jspversion>1.1</jspversion>
> <shortname>dscat</shortname>
>
> <tag>
> <name>pageheader</name>
> <tagclass>ru.ibs.xbcat.view.tag.PageHeader</tagclass>
> </tag>
>
></taglib>
>==========================
>Class PageHeader:
>
>package ru.ibs.xbcat.view.tag;
>
>import java.io.*;
>import javax.servlet.jsp.*;
>import javax.servlet.jsp.tagext.*;
>
>public class PageHeader extends BodyTagSupport {
>
> public int doStartTag() throws javax.servlet.jsp.JspException {
> return BodyTag.EVAL_BODY_TAG;
> }
>
> public int doAfterBody() throws javax.servlet.jsp.JspException {
> ...
> return(SKIP_BODY);
> }
>}
>
-
Error in parsing the taglib tag in the JSP page
Hi
We are trying to deploy and run a Web Application in CE 7.1 SP01. We are successful in deploying and running servlet based web pages, but when it comes to JSP's the taglibs are not parsed and we get the following error message
Runtime error in processing of the JSP file E:\usr\sap\CE1\J01\j2ee\cluster\apps\sap.com\TestNWEAR\servlet_jsp\TestNW\root\admin\main.jsp.
The error is: com.sap.engine.services.servlets_jsp.jspparser_api.exception.JspParseException: Error in parsing the taglib tag in the JSP page. Cannot resolve URI: [webwork]. Possible reason - validation failed. Check if your TLD is valid against its scheme.02004C4F4F5000190000004E000013400191D308B45
Processing HTTP request to servlet [jsp] finished with error.
The error is: java.io.FileNotFoundException: E:\usr\sap\CE1\J01\j2ee\cluster\apps\sap.com\TestNWEAR\servlet_jsp\TestNW\root\admin\webwork (The system cannot find the file specified)02004C4F4F50001900000051000013400191D308B45AF1AB
We followed the below weblog to correct the TLD's in JAVA EE 5 @ SAP but it did not work for us.
/people/community.user/blog/2006/10/13/porting-the-java-blueprint-solutions-catalogue-applications-to-sap-netweaver-application-server-java-ee-5-edition
Any immediate help will be rewarded with full points
Thanks in advance
Lakshmi
Edited by: lakshmi N Munnungi on May 5, 2008 11:36 PM
Edited by: lakshmi N Munnungi on May 5, 2008 11:39 PMHi Lakshmi,
I have also the same problem. If you have found the solution please post it thanks,
Thanks,
Tariq -
Problem redering h:outputText tag on a jsp fragment
Hello to all... I'm trying to understand and use this new technology and I have encountered a problem that I cannot find any documentation as how to solve it. First I have my welcome.jsp page that I am using to call my fragment:
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="c" uri="http://java.sun.com/jstl/core"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<f:view>
<h1><h:outputText value="Java Server Faces" /></h1>
<f:subview id="banner">
<c:import url="/banner.jsp"/>
</f:subview>
</f:view>
</body>
</html>then I have my jsp fragment, banner.jsp:
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="c" uri="http://java.sun.com/jstl/core"%>
<f:loadBundle basename="com.gm.gsip.messages" var="msgs"/>
<table border="1">
<tr>
<td> <h:outputText value="#{msgs.hour}"/> � </td>
<td> <h:outputText value="#{msgs.hour1}"/> �</td>
<td> <h:outputText value="#{msgs.hour2}"/>� </td>
<td> <h:outputText value="#{msgs.hour3}"/> �</td>
<td> <h:outputText value="#{msgs.hour4}"/>� </td>
<td> <h:outputText value="#{msgs.hour5}"/> �</td>
<td> <h:outputText value="#{msgs.hour6}" /> �</td>
<td> <h:outputText value="#{msgs.hour7}" /> �</td>
<td> <h:outputText value="#{msgs.total}" />� </td>
</tr>
</table>My problem is that the <h:outputText> tag is rendering the values outside the table. This is what gets displayed:
Java Server Faces
Hour1234567TOTAL
If I copy/paste the table tags (including the <h:outputText> tags) on the main jip, it renders without any problem:
Java Server Faces
Hour 1 2 3 4 5 6 7 TOTAL
I'm guessing that I might be missing some other jsf tag inside the jsp fragment. Any help will be greatly appreciated.
-thanks
RolandoI can suggest you with the following solutions
1. try having <%out.flush();%> before and after c:import
2. try with jsp:include with flush=true
Can you reply back with which one works? I didnt try out both of them
Thanks -
No. of hidden fields in a jsp..
Hi,
I would like to know if there is any limit to the no. of hidden fields in a jsp page. What effect does the page/browser have if there are many hidden fields(like about say 50) in a single page.
any ideas.
thanks
jagThe only limitations I know about are in HTTP itself.
GET request on Internet Explorer supports a maximum of 2,048 characters
(ex. http://whatever.com/index.jsp?id=23&hidden1=2912912&hidden2=123987123)
POST request not sure of the limitations but I know its more than 2,048
hope this helps -
How we can use jsf tags in included jsp enclosed in subview tags
Hello everybody,
I am developing web app by using jsf. I am including a jsp page "header.jsp" into another jsp page "main.jsp". The header.jsp page is enclosed in jsf subview tag on main.jsp page. The header.jsp contains some static html code and some jsf tags like "outputText". When i added tag library url in header.jsp then my app was not even not initiating and i was getting following exception
ERROR [UIComponentTag] Faces context not found. getResponseWriter will fail. Check if the FacesServlet has been initialized at all in your web.xml.
16:22:16,890 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
at javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:929)
at javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:310)
....Now i removed jsf tag library url from included jsp "header.jsp" so now my app is running but only static html data is being displayed but the value in the jsf tag "outputText" is not being printed in the browser
kindly help me. i would be very thankful....Your question has nothing to do with Sun Java System Directory Server.
Please use the right forum(s).
Thanks -
Can I use any Class in a Use Bean Tag of a JSP
I have tried to modify the existing EditForm.java file and created a new Class File which changes the presentation(render method)in the Edit Form.
can I use the new class as a Bean in the use bean tag of a JSP.You can use any class as part of the useBean tag. If you want to add your class to the list of available webbeans, you can add it to <jdev dir>\teamplates\webbeans.xml.
-
Overwriting the value of an html:hidden tag using javascript
Hi!
Can somebody help me with my problem?
I need to overwrite the value of my html:hidden tag using javascript, but I dont know how?
Any help?
Thankswhat are you talking about :x
thats a webapplication question, wrong forum..
But you are using STRUTS I would say...
<html:hidden property="hiddenfield"/>This is the proper way of doing it.. but overrighting it
I don't think you understand why we use that?
It is only for forms.... we use that for hidden input ... It is common sence not to overrde that value. -
Use var of sql:query tag into a jsp fragment code
Hi, i'm spanish and my english is not very good XD.
I need to use some data from <sql:query> tag into code jsp <% %>
EXAMPLE:
<sql:query var="variable">
</sql:query>
<% what can i do to access to "variable" here????????? %>
i need to save in session (session.setAttribute(...)) a field of the response of the query saved in "variable"
i need help!!!!, thanks!!!!!!!!i need to save in session (session.setAttribute(...)) a field of the response of the query saved in "variable"Why do you need java code to do this? If you are using JSTL sql tags, then why not keep using JSTL tags?
<c:set var="valueToSave" value="${variable.field}" scope="session"/>EL variables are actually already stored as attributes in scope.
So to get hold of "variable" you could use <%= pageContext.findAttribute("variable") %>
and that would give you the object stored by the EL.
cheers,
evnafets -
Found tag library, no jsp-tag-lib manifest entry
I get the following error when trying to reference my iPlanet tag libraries:
<Mar 16, 2001 7:05:00 AM MST> <Error> <HTTP>
<[WebAppServletContext(203409,java)
] Servlet failed with Exception
weblogic.servlet.jsp.JspException: (line -1): Found tag library, no
jsp-tag-lib
manifest entry
Any ideas? I've attached my taglib jar file.
Thanks,
Matt
[iplanet-tags.jar]
Yes sorry, you're correct. The uri I mentioned is just 1.0.
Do you have the "Oracle WebLogic Web App Extension" Facet for your web project? If not, try adding that and making sure that there is a weblogic.xml file created in the WEB-INF dir. The weblogic.xml file allows you to deploy usig a shared lib for JSTL. It should contain a library-ref element something like the following, with a version of 1.1.
<wls:library-ref>
<wls:library-name>jstl</wls:library-name>
<wls:specification-version>1.1</wls:specification-version>
<wls:exact-match>true</wls:exact-match>
</wls:library-ref> -
I have this next code, but the forEach tag doesn't seem to work! However, the line <c:out value='${lista[1]}'/> does work. Can you help me with the problem, please?
<%@ page
contentType = "text/html;charset=iso-8859-1"
session="true"
language="java"
import = "java.lang.*"
import = "java.util.*"
%>
<c_rt:if test='<%= request.getParameter("hinicio") != null %>'>
<%
ArrayList Valores = new ArrayList(4);
Valores.add(request.getParameter("text1"));
Valores.add(request.getParameter("text2"));
Valores.add(request.getParameter("text3"));
Valores.add(request.getParameter("text4"));
Valores.add(request.getParameter("text5"));
pageContext.setAttribute("lista", Valores);
%>
<c:forEach var='x' items='<%= Valores %>'>
<c:out value='${x}'/>
</c:forEach>
<c:out value='${lista[1]}'/>
</c_rt:if>
<html>
<head>
<title>Tarea</title>
<script type="text/javascript">
function Inicio()
forma.hinicio.value = "ok";
forma.submit();
</script>
</head>
<body>
<form name="forma" method="post" action="Tarea.jsp"> //Redirects to itself
<input type="hidden" name="hinicio">
<center>
<br>
<input type="text" name="text1" value="0">
<br>
<input type="text" name="text2" value="0">
<br>
<input type="text" name="text3" value="0">
<br>
<input type="text" name="text4" value="0">
<br>
<input type="text" name="text5" value="0">
<br>
<br>
<input type="text" name="rango1" value="0"> <input type="text" name="rango2" value="0">
<br>
<br>
<input type="button" value="Aceptar" onClick="Inicio()">
<br>
<br>
<input type="text" name="resultado" value="0">
</center>
</form>
</body>
</html>You seem to be using both the EL and the RT JSTL libs on the same page.
If you are in a JSP1.2 container, then you can only use EL with the EL tags, and <%= expr %> with the rt tags.
If you have a JSP2.0 container (eg Tomcat 5) properly configured (ie web.xml is version 2.4) then you should use JSTL1.1, which accepts both sorts of expressions. (${expr} is a runtime expression in JSP2.0)
Try either
<c:forEach var='x' items='${lista}'>
or
<c_rt:forEach var='x' items='<%= Valores %>'>
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