Java Enterprise Edition (Java EE) is a specification defining a collection of Java-based technologies and how they interoperate. Java EE specifies server and client architectures and uses profiles to define technology sets targeted at specific classes of applications.
424
votes
22answers
51k views
How to avoid Java Code in JSP-Files?
I'm new to Java EE and I know that something like the following three lines
<%= x+1 %>
<%= request.getParameter("name") %>
<%! counter++; %>
is an oldschool way of coding and in ...
124
votes
3answers
90k views
How to upload files to server using JSP/Servlet?
How can I parse an uploaded file using Apache Common FileUpload? I tried this:
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List ...
169
votes
6answers
66k views
What is the difference between JSF, Servlet and JSP?
Is JSP = Servlet? And JSF = Pre-build UI based JSP (like asp.net web control)?
38
votes
3answers
50k views
JSF - get managed bean by name
I'm trying to write a custom servlet (for AJAX/JSON) in which I would like to reference my @ManagedBeans by name. I'm hoping to map:
http://host/app/myBean/myProperty
to:
...
53
votes
2answers
6k views
Difference between JSP EL, JSF EL and Unified EL [closed]
I would like to know the detailed difference between the Expression Languages (EL).
There is JSP EL, JSF EL and Unified EL.
I would like to know the history behind the EL and what the latest EL is ...
48
votes
10answers
14k views
What to learn for making Java web applications in Java EE 6? [closed]
My goal is to make web applications!
I finished reading the Books "Headfirst - Java" and "Headfirst - Servlets and JSP".
Because this topic (web applications) is so big and complicated, I would like ...
19
votes
6answers
31k views
JSF 2.0 File upload
I am looking around a few blogs, to try to find how to upload files using JSF 2.0
But all the solutions kind of confuse me. I would like to know what do I exactly need to be able to successfully ...
47
votes
8answers
18k views
Why spawning threads in Java EE container is discouraged?
One of the first things I've learned about Java EE development is that I shouldn't spawn my own threads inside a Java EE container. But when I come to think about it, I don't know the reason.
Can you ...
66
votes
12answers
53k views
Servlet for serving static content
I deploy a webapp on two different containers (Tomcat and Jetty), but their default servlets for serving the static content have a different way of handling the URL structure I want to use (details).
...
91
votes
18answers
54k views
Choosing a Java Web Framework now? [closed]
we are in the planning stage of migrating a large website which is built on a custom developed mvc framework to a java based web framework which provides built-in support for ajax, rich media content, ...
33
votes
2answers
11k views
Why does JSF need to save the state of UI components on the server side?
Until what point in time does JSF save the state of UI components on the server side and when exactly is the UI component's state information removed from the server memory? As a logged-in user on ...
17
votes
3answers
5k views
Conditionally displaying JSF components
First, I am new to Java EE, came from a strong ASP .NET development background.
I have gone through the net, and I might miss this but it seems like there is no simple and straight-to-the-point ...
6
votes
2answers
4k views
How to use JSF generated HTML element ID in CSS selectors?
I've been working with a simple Java EE project using JSF.
<h:form id="phoneForm">
<h:dataTable id="phoneTable">
</h:dataTable>
</h:form>
It generates an id for ...
21
votes
3answers
4k views
What exactly is Java EE?
I have been doing Java SE for some years now and moving on to Java EE. However I have some trouble understanding some aspects of Java EE.
Is Java EE just a specification? What I mean is: Is EJB Java ...
23
votes
11answers
12k views
What are good InstallAnywhere replacements for installing a Java EE application?
Which (commercial or free) installer tool would you recommend to replace InstallAnywhere as the installer for a Java EE application? What do you specifically like about it, and what are its downsides?
...
