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Questions tagged [jakarta-ee]

Jakarta EE (formerly known as Java Enterprise Edition, Java EE, and J2EE) is a specification defining a collection of Java-based server and client technologies and how they interoperate. This is the master tag. For more specific API questions, please use [jsf], [servlets], [jpa], [cdi], [ejb], etc.

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. Numerous implementations are available in the form of both commercial products and open source projects. It is also possible to assemble full or partial implementations using constituent components.

From the Java EE 6 specification:

All Java EE profiles share a set of common features, such as naming and resource injection, packaging rules, security requirements, etc. This guarantees a degree of uniformity across all products, and indirectly applications, that fall under the "Java EE platform" umbrella. This also ensures that developers who are familiar with a certain profile, or with the full platform, can move easily to other profiles, avoiding excessive compartmentalization of skills and experience.

Java EE is currently migrating to the Eclipse Foundation under the top-level project EE4J, with the intent of introducing a more open community process with a faster release cycle. Under this process, Java EE has been rebranded as Jakarta EE.

References

Specifications


Official documentation


Official tutorials


Java EE learning resources


Java EE version history


Java EE on Social Media

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Maven tomcat7-maven-plugin not found error

I am new to working with Maven. Searched alot but no success. Tried my best. Someone explain to me what to do to fix this issue. Any of your current pom with struts2 and tomcat 7 will be very helpful. I am using maven3 ERROR Plugin…
Pirzada
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How does it work with bean validation messages and i18n in JSF2?

I created validation messages(ValidationMessages.properties) file to make the i18n possible in my project. It looks like: pwtNumber.error=PWT Number error.. I defined it in…
Kayser
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How can I use a JMS adapter to listen Amazon SQS

Is there any way to setup an Amazon SQS Queue or Amazon SNS Topic in order to work as a native XA JMS Resource Adapter? The idea is to replace the use of activemq in a large application with SQS, but avoid unnecessary code rewriting…
Alessandro Oliveira
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How to determine by what IP Address my website has been accessed?

I have a web application and for that I want to capture the IP address of the clients who are accessing my website so that I can know what region is the most accessing the application. I am using Java EE in my application. Probably there is some…
Prateek
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How to include values from .properties file into web.xml?

I need to include some values from a file.properties into the WEB-INF/web.xml something like this: uploadDirectory myFile.properties['keyForTheValue'] I'm currently working with this: JBoss JEE5
lancha90
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PostgreSQL inheritance with JPA, Hibernate

we have question about inheritance in PostgreSQL and mapping it as entities in JPA. Our database, and tables we want to map are: CREATE TABLE Answer ( idAnswer SERIAL, answerContent VARCHAR, idQuestion INTEGER, version INTEGER, …
Atais
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CDI injection is not working in Servlets

I really need your help. I'm working on this problem for weeks or months now. I apologize for the long post, but I want to explain the problem and my settings as precisely as possible. My JAVA EE 6 web application mainly contains 3 Servlets: a…
Sebastian S.
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Java EE Filters not able to get cookies?

Why aren't cookies able to be referenced from a servlet filter? It just seems beyond me that Java EE wouldn't allow you to sanitize cookie values: public void doFilter(ServletRequest request, ServletResponse response, …
Zombies
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Can ejb interceptors change the return value of a method before the calling class gets it?

If we have code in the field that has a method that another product calls, and gets a list of objects back. And we need to make changes to the code to make it more flexible in populating the list to return, can we in the interim create an…
AntóinÓg
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ClickJacking Filter to add X-FRAME-OPTIONS in response

In order to tackle clickJacking and blocking my site to be opened by iframe I have created a servlet filter in which I am adding below line to add "X-FRAME-OPTIONS" response header. But when I run page and see response headers of that page I never…
Dev G
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JPA/Hibernate - Embedding an Attribute

I am having a trouble mapping an embedded attribute of a class. I have created some classes that are similar to what I am trying to do to illustrate. Basically, I have an @Embeddable class hierarchy that uses Inheritance. The top level class…
mainstringargs
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ActiveMQ standalone server deployment or embedded in a Spring Webapp

I have a requirement to design an application which notifies/publishes, its subsystems to send out emails. I have planned to do that using jms publish/subscribe (topic) messages The visibility for now , there would be 20 to 30 subscribers and the…
Sudhakar
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Spring 3.1.1 and Cache configuration issue

I'm testing the Spring cache and, this is my context file
Andrea Girardi
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cannot create session after response has been committed

i am getting the following error on my application startup page load : SEVERE: Error Rendering View[/HomeTemplate/equityVolume.xhtml] javax.el.ELException: /HomeTemplate/equityVolume.xhtml @70,78 value="#{equityBean.scripList}":…
z22
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What are the pitfalls when upgrading to Java 7

I am switching an enterprise application built on Spring 3.1.0, Hibernate 3.6.0 from Java 6 32bit to Java 7 64 bit. Has anybody done that? Any problems? Are there any resources on the subject?
AndreyKo
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