Questions tagged [jsp]
JSP (Jakarta Server Pages, formerly JavaServer Pages) is a Java-based view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript and so on) and interact with backend Java code.
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How can I avoid Java code in JSP files, using JSP 2?
I know that something like the following three lines
<%= x+1 %>
<%= request.getParameter("name") %>
<%! counter++; %>
is an old school way of coding and in JSP version 2 ...
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720
votes
14
answers
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How can I upload files to a server using JSP/Servlet?
How can I upload files to server using JSP/Servlet?
I tried this:
<form action="upload" method="post">
<input type="text" name="description" />
...
- 38.6k
499
votes
26
answers
1.0m
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Download a file by jQuery.Ajax
I have a Struts2 action in the server side for file downloading.
<action name="download" class="com.xxx.DownAction">
<result name="success" type="stream">
<param name="...
- 35.7k
61
votes
6
answers
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Show JDBC ResultSet in HTML in JSP page using MVC and DAO pattern
I'm implementing MVC using JSP and JDBC. I have imported a database class file to my JSP file and I would like to show the data of a DB table. I don't know how I should return the ResultSet from the ...
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23
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How to install JSTL? It fails with "The absolute uri cannot be resolved" or "Unable to find taglib" or NoClassDefFoundError or ClassCastException
I don't know what I've done incorrectly, but I can't include JSTL. I have jstl-1.2.jar, but unfortunately I get exception:
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/...
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33
votes
6
answers
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How to retrieve and display images from a database in a JSP page?
How can I retrieve and display images from a database in a JSP page?
- 339
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5
answers
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Design Patterns web based applications [closed]
I am designing a simple web-based application. I am new to this web-based domain.I needed your advice regarding the design patterns like how responsibility should be distributed among Servlets, ...
- 9,299
86
votes
10
answers
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Browser can't access/find relative resources like CSS, images and links when calling a Servlet which forwards to a JSP
I'm having trouble with loading CSS and images and creating links to other pages when I have a servlet forward to a JSP. Specifically, when I set my <welcome-file> to index.jsp, the CSS is being ...
- 9,417
105
votes
7
answers
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Prevent user from seeing previously visited secured page after logout
I have the requirement that the end user should not be able to go back to the restricted page after logout/sign out. But currently the end user is able to do that by the browser back button, visiting ...
- 12.5k
887
votes
16
answers
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What is the difference between JSF, Servlet and JSP?
I have some questions. These are :
How are JSP and Servlet related to each other?
Is JSP some kind of Servlet?
How are JSP and JSF related to each other?
Is JSF some kind of Pre-Build UI based JSP ...
- 15.5k
84
votes
10
answers
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XSS prevention in JSP/Servlet web application
How can I prevent XSS attacks in a JSP/Servlet web application?
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46
votes
4
answers
158k
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How to transfer data from JSP to servlet when submitting HTML form
I have a JSP page with an HTML form:
<form action="SERVLET">
<input type="text" name="name"/><br>
<input type="text" name="group"/>
<input type="text" ...
- 1,021
18
votes
5
answers
12k
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EL expressions not evaluated in JSP
There's a small problem with my servlets/jsp web application. I'm trying to use jstl in jsp page. When I use any tag for example:
<c:out value="${command}"/>
it shows me
${command}
in my ...
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votes
9
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Java / Jakarta EE web development, where do I start and what skills do I need? [closed]
I want to learn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground ...
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15
votes
5
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Access Java / Servlet / JSP / JSTL / EL variables in JavaScript
I have a form in JSP. I have to populate it based on the request object (from the servlet). How do I use Java Script for accessing request object attributes or if you can suggest me any other better ...
- 1,628