Java Enterprise Edition (JavaEE) is a platform for enterprise computing for Java.
2
votes
0answers
89 views
Persistent async queue - reviewing various architecture options
I'm writing a system that dispatches reports and need some help with the design:
The requirements in high level:
reports are being created ad hoc
reports are being sent via emails to a list of ...
7
votes
1answer
498 views
Why isn't reflection on the SCJP / OCJP?
I read through Kathy Sierra's SCJP study guide and I will read it again more throughly to improve myself as a Java programmer and be able to take the certification either Java 6 or wait for the Java 7 ...
0
votes
2answers
73 views
Building Website with JAX-RS (Jersey)
Is it discouraged/not-common to build Websites (not web-services!) using Jersey or any other JAX-RS implementation ?
I didn't find any guide/tutorial/article regarding that..
At first impression , ...
1
vote
0answers
28 views
mix cdi with no-cdi code [closed]
I'm currently working in a big project (Banking), and there are a lot of sources not using cdi alignments, but recently, someone suggested take a look at cdi as a long-term solution .
What are the ...
1
vote
1answer
41 views
High-Load Java Server for Multiplayer
I am making a multiplayer game. Now I am trying to choose the technology to connect the android devices to the server. The clients run on Android, and the game is MMORPG. I would like to write the ...
-5
votes
0answers
44 views
Which technology to choose? [closed]
I'm node.js and web-designer in one face now, and i want to learn something new.
The problem is choose of the right technology stack.
What i'm thinking about, so:
iOs programming.
Java EE Server ...
0
votes
1answer
35 views
Creating a separate project for JPA entities
Where I work it is a common practice to create a separate for JPA entities and a project for the web application (the WAR). So basically you have (at least) two project for each application - appJPA ...
1
vote
2answers
111 views
j2ee implementing security and using a framwork pros and cons
I'm a newbie to j2ee security, and i'm not j2ee expert either, though i'm really willing to put some effort and learn I've an application that i'm about to develop on Google App Engine (GAE) --with ...
6
votes
3answers
165 views
How will writing the transaction part in Java benefit the security of the application, when all other parts are being written in PHP?
A friend of mine while working on a PHP application asked me to write one part of the application in Java. The part that involved transactions. He said it will be better to write this portion in Java. ...
3
votes
4answers
504 views
Is there a recommended order to take the Oracle Java EE certification exams?
I recently passed the Oracle Certified Professional, Java SE 6 Programmer examination. Now, my boss would like me to take "the next step" to broaden my competence. I tried to explain that there is no ...
0
votes
1answer
61 views
Controller JSP - no view
Most people say do not use JSPs. But what if I have a JSP that does not show anything, it only acts as a controller? Why would I do that? Because we do not need to redeploy complete webapp to make a ...
1
vote
2answers
682 views
Oracle Enterprise JavaBeans (EJB) Developer Certification
I would like to gain the "Oracle Enterprise JavaBeans (EJB) Developer" certification.
According to this page I have to take a number of classes each of which costs up to a couple of thousand GB£.
Is ...
0
votes
0answers
37 views
Unit Test the integration layer using CDI
JEE-CDI allows you to create applications integrating components with annotations and configuration files. What I call integration layer is the set of annotation and configuration file that enables ...
1
vote
1answer
70 views
Understanding the meaning of “multiple lifecycles application development”?
Some Agile job posts have a requirement "strong understanding of multiple lifecycles application development", what does it means ?
So my question would be: what's that field for, and what would I ...
0
votes
6answers
381 views
Looking to build a 2 java applications. should it be web-based application or standalone application?
The first application (web-based) will be located at site1 and once the information is processed, it will be sent to the second application(web-based) located at site2. Application2 needs to be able ...
-1
votes
2answers
499 views
Best Java framework for Backend Application [closed]
I'm planning to create an application in Android and Web which relies on a back-end java application for data. So, currently I'm thinking of having the business logic in java layer which communicates ...
3
votes
2answers
164 views
java classes and database queries
Can someone please explain the best way to solve this problem.
Suppose I have three classes
Person
Venue
Vehicle
I have a DAO method that needs to return some or all of these attributes from each ...
0
votes
2answers
300 views
Migrating web app from php to Java [closed]
Hi I had today my first interview for a position of android developer.In my portfolio I had a php e-commerce application that has a catalog , ajax powered shopping cart , and administrator ...
3
votes
2answers
277 views
Recruiter asking for help understanding JEE5 or JEE6 and J2EE. (NOT A JOB POSTING NOT LOOKING FOR CANDIDATES)
I am a recruiter. I want to learn as much as I can about JEE5/JEE6 so when I try and find these types of candidates I can at least talk intelligently with them.
What I need to understand is what goes ...
6
votes
4answers
973 views
Why do almost all Java jobs (postings and from recruiters) say J2EE rather than the newer JEE versions?
I'm still fairly new to Java but have definite comfort now working within the framework I am used to which would mainly be focused on Spring, Hibernate and JEE 6. It seems like every time I talk to a ...
1
vote
1answer
137 views
JUnitEE vs JUnit
I know what unit testing is in general and what JUnit is in particular. But here I see that there is a project called JUnitEE which seems to me to be a wrapper over JUnit. So I would like to better ...
1
vote
1answer
149 views
What should be stored in UserContext?
From my general understanding I believe UserContext for a web application is supposed to hold user authentication and authorization (user roles) information.
As part of user roles, there are ...
4
votes
1answer
208 views
Good design for delegates in a service oriented architecture
My problem is quite complex to explain and my English is not excellent, so I hope you can understand my question.
In a service oriented architecture there are some modules that own data used by all ...
0
votes
1answer
142 views
How do remote interfaces work with JavaEE and glassfish?
I would like to know what is going on "under the hood" if I use remote interfaces in JavaEE. In the project I use a stateless enterprise bean that implements a remote interface. And I can call methods ...
4
votes
2answers
190 views
JavaEE server experience matters for a developer?
Lately I am seeing quite a few application development job ads asking for experience with this or that Java EE server. I can understand this if it is for a server administrator, however I find it ...
0
votes
2answers
68 views
1 Interface 2 Implementations and an EJB exception
In my JavaEE project I have an interface like this:
@Local
public interface DataAccess { ... }
And two stateless beans implementing it:
@Stateless
public class DataAccess_Online implements ...
2
votes
1answer
321 views
Why isn't Java being used for web multimedia applications?
I've been focusing on multimedia applications and I've noticed that most applications don't use Java in the back end. Instead, I see solutions with PHP/ROR/Python and Flash/Silverlight without any ...
4
votes
3answers
205 views
How should I go about “overhauling” a large legacy application? [duplicate]
Possible Duplicate:
I’ve inherited 200K lines of spaghetti code — what now?
For my next project, I've been tasked with "overhauling" a large legacy web application with many parts. It is a ...
3
votes
2answers
254 views
How to remove duplicate exception block code
I have good number of Service and DAO classes which has the same set of 30 line exception code block which gets repeated and it shows up in Code Duplication report.
The approach which i can think of ...
5
votes
2answers
180 views
Is it fine to use logs in the Helper Methods?
I have been doubting for a long time whether or not to have a logger in methods (usually helper methods) like the one below.
Whether we can print it in the method or print the response where the ...
1
vote
1answer
329 views
Transition from enterprise-level PHP with Zend Framework to more enterprisey Java EE
I've been seriously considering my career progress and would like to know your opinion on the following:
5 years full-time employment as a software developer / web technologies / best practices
MSc ...
0
votes
1answer
112 views
What factors should I consider when logging a (JSF) web-app?
I've recently read the article The Problem with logging and was wondering about my current logging strategy.
Usualy I use Log4J in my projects and just have to decide which line/attributes I would ...
1
vote
3answers
375 views
What is meant by 4 GL?
I came across the term 4GL(generation language) in reading about Oracle ADF Busniess components . I want to know what exactly is 4GL ?
This is the actual quote from the book Oracle Fusion Guide:
...
-2
votes
2answers
226 views
How can I test database access methods in Java? [closed]
I want to write a test for a method that accesses a database such as following.
public class MyClass{
public String getAddress(Int id){
String query = "Select * from Address where ...
0
votes
3answers
2k views
Relationship DAO, Servlet, JSP and POJO
I want to implement a JSP, POJO, DAO and Servlet in my J2EE program. However, I don't fully understand how the relationship between these elements should be. Is the following (MVC) setup the right way ...
3
votes
4answers
523 views
Why JSP over Servlets for view?
Although servlets does the task of sending the HTML code to the client programmers weight JSP over servlets for that. Even a JSP code is compiled into servlet before giving the response to the browser ...
5
votes
4answers
624 views
Java but no JEE experience
I have quite extensive Java experience (many years of Swing, desktop apps, gigantic applets), but have done very little JEE - only one single gig for 9 months, but that was very narrow work where I ...
4
votes
1answer
931 views
Node.js Or servlets?
I have heard a lot and read about the Javascript server side language i.e Node.js, and saw many comparisons in favor of Node.
I don't understand what makes it better or faster, or how it even relates ...
5
votes
1answer
351 views
Resources relating to Java EE and Scala
Are there any good sites / blogs / books / articles on using Java EE together with Scala? Or indeed articles saying that it should not be done.
Many Scala resources talk about using Akka and Lift. ...
3
votes
2answers
247 views
Is it possible to migrate struts/spring based application to GWT?
I am using the combination of spring, spring-security, struts and iBatis in my application. Now I am looking to migrate the struts UI to GWT.
The new combination must be spring, spring-security, GWT ...
2
votes
5answers
3k views
How to unit test a jsp file?
I'm developing a Java 6 EE application and I'm testing my jsp code with another one with a testing version of the function calls and code used in the original one but it seems loose and impractical. ...
6
votes
1answer
712 views
exact answer for “what is j2ee?” - job interview
I'd like to ask if someone of you knows the exact meaning of JEE.
That's because a collegue of mine was asked this question in a job interview, and was "unable to answer properly"... to speak with ...
4
votes
3answers
203 views
When, how and why should one upgrade (Java) frameworks?
Short summary as introduction:
We are a small Java web development team, creating applications using various frameworks and libraries like JSF, Hibernate, Seam, all together deployed in JBoss AS.
...
1
vote
1answer
172 views
Best Persistence choice for J2EE-App with frequently changing Data Model [closed]
Whenever I develop a J2EE-Application, I at some point decide to switch from my dummy Persistence (Simply Using Lists and other Data Structures) to some Sort of Database Persistence. Mostly when I ...
0
votes
1answer
172 views
EJB Lifecycle and Relation to WARs
I've been reading up on EJBs (3.x) and believe I understand the basics. This question is a "call for confirmation" that I have interpreted the Java EE docs correctly and that I understand these ...
9
votes
5answers
5k views
Creating Java EE Projects with Maven
I've been developing Java EE web apps with Eclipse for about a year. My employer doesn't use Maven, but the more I read about it, the more convinced I am that Maven + Hudson will be greatly beneficial ...
12
votes
2answers
5k views
Selecting a JAX-RS implementation for a new project
I'm starting a new Java project which will require a RESTful API. It will be a SaaS business application serving mobile clients.
I have developed one project with Java EE 6, but I'm not very familiar ...
4
votes
1answer
422 views
How to move to Java enterprise development after Python and Ruby?
I used to develop in Django/Python and Rails/Ruby (and before that C/C++ and C#), and I'm now at a job where we do enterprise Java development (Spring, Hibernate, RESTEasy, Maven, etc.) for web ...
2
votes
2answers
155 views
Where to start when digging into an existing J2EE codebase?
I work for a company that produces enterprise applications to be used by schools and districts to manage all of their tests and standards data. Their existing application is written in J2EE and is ...
-2
votes
1answer
77 views
Migrating the specification level of Java EE projects [closed]
What do we mean when we say "Migrating the specification level of Java EE projects"? Does this actually entail an application rewrite? TIA.
