All Questions
1,148
questions
0
votes
2
answers
75
views
How to evaluate EL expression in Tomcat servlet environment?
How to evaluate EL expression in Tomcat servlet?
Tomcat uses Jasper EL.
https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-jasper-el
https://tomcat.apache.org/tomcat-9.0-doc/api/org/apache/...
- 5,266
0
votes
3
answers
59
views
How to put Java code in JSP file with SpringBoot?
I got this error after I put this code on my index.jsp file
The code :
<body>
<h1>Student</h1>
<p>
Status Connection : ${connStatus == "Connected" ? &...
- 1
1
vote
1
answer
48
views
Why ${message} appear as it is in View and not the real message passed in Spring MVC controller [duplicate]
I'm trying to learn Spring MVC and encountered an issue. Please see the attached code. I'm not getting the real message on View and instead ${message} on View. What could be the issue here?
This is ...
- 897
1
vote
1
answer
103
views
How to get rid of mysterious JSP Problems in Eclipse
I have the following errors in (just) one of the dozens *.jsp files we have in our project:
Eclipse Problems view
line 0 in a text editor is somehow funny, but OK, we devs often start to count there. ...
- 14.5k
0
votes
1
answer
40
views
The server does not display the answer when calculating [duplicate]
After running the program (calculator test sample), the result is not displayed. The Result line: ${requestScope.result} - does not change, although the result should be displayed instead of ${...
0
votes
0
answers
33
views
EL expressions are not evaluated in JSP [duplicate]
My index.jsp page:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<title>JSP page</title>
&...
- 29
0
votes
1
answer
123
views
Access JavaBean object and pass argument to JSP using EL
I am trying to convert our legacy code into JSTL+EL in our application. I just wanted to know if there's a way to access a JavaBean object and methods with arguments in JSP using EL?
So here's the ...
- 21
-1
votes
1
answer
47
views
How to remove previous request parameter from URL query string
when i click on one category, it show the list of products of this category, the url will be:
http://localhost:9999/toyshop/home?category=Đồ%20chơi%20theo%20phim
but when I click on the next ...
1
vote
1
answer
61
views
How to evaluate a scriptlet variable in EL
I have
<%@taglib prefix="e" uri="https://www.owasp.org/index.php/OWASP_Java_Encoder_Project" %>
and also just for testing
<%@ taglib prefix="c" uri="http://...
- 9,497
1
vote
2
answers
109
views
JSP question about accessing keys in an object?
Let's say you have something like this:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<table>
<c:forEach items="${products}" var=&...
-1
votes
1
answer
49
views
Literally causing a StackOverflowError - Tiles 3
Migrating from the Struts 1.3/Tiles 1.x combo to the Struts 2/Tiles 3.
But this is really a Tiles question
Previously there was support for a bean declaration within the definition to support ...
0
votes
1
answer
78
views
JSP does not recognize the fn prefix when compiling
I'm unfamiliar with Jsp and Jstl , I created this little comparator to sort all my users by name:
<c:set var="userList" value="${fn:toList(users)}"/>
<c:set var="...
- 373
0
votes
0
answers
26
views
Data and Images are not being displayed on JSP page and I couldn't figure it out why? [duplicate]
I am working on a personal project to get some coding practice with JSP and servlets. I am using MySql for storing data and I want to render 'user' data to user_list.jsp.
Even though the page is ...
- 132
1
vote
1
answer
85
views
Substring function in JSP does not respond in an alert function
The following code does not show the alert of "abc" but there is no any error message? Any idea to solve it?
<%@ include file="includes.jsp"%>
<script src="js/...
- 632
0
votes
1
answer
72
views
How does EL know which methods of which Java files to call? [duplicate]
I came across the following code:
<c:set var="list value="${actionBean.ABC}"> in a JSP file.
Then I found it is calling the following method in one of the Java files:
List<...&...
- 4,064