We are planning to integrate Apache TomEE [1] to AS to add out of the box
AS Java EE Web Profile[2] support.
*What is Java EE Web Profile?*
It is subset of complete Java EE APIs that is needed for majority of
modern web applications. It contains only the following APIs out of Full
JavaEE spec.
CDI, EJB, JPA, JSF, JSP, JSTL, JTA, Servlet, Javamail & Bean Validation.
*What is TomEE?*
TomEE is pronounced "Tommy". It is a *Java EE 6 Web Profile certified
stack*based on Apache Tomcat.
They are focused on:
- Don't mess with Tomcat
- Vanilla Tomcat + TomEE jars
- Keep it simple
- deliver JavaEE Web Profile in the simplest way possible.
The TomEE provides each of the above specs using popular Apache
implementations of the above Web Profile specs.
CDI - Apache OpenWebBeans
EJB - Apache OpenEJB
JPA - Apache OpenJPA
JSF - Apache MyFaces
JSP - Apache Tomcat
JSTL - Apache Tomcat
Servlet - Apache Tomcat
JTA - Apache Gerenimo Transaction
Javamail - Apache Gerenimo JavaMail
Bean Validation - Apache BVal
*What are the benefits of TomEE on AS?*
- All-Apache solution
- TomEE is a certified stack of Java EE 6 Web Profile
- interrelationship among the above mentioned Spec implementations are
handled by TomEE
- Annotation Scanning for each spec separately is time consuming. Tomee
has optimized scanning
- Low memory footprint.
- No tight coupling on Tomcat
Even though the WSO2 AS supports both JPA & JAX-WS, JPA is not available
for JAX-WS and JAX-RS applications. Because the JPA & JAX-WS intergration
is not completed.
This problem can be solved using TomEE+ which has integrated JAX-WS,
JAX-RS, JMS & Connector in addition to Web Profile. TomEE+ in future.
Your comments, concerns & suggestions are highly appreciated.
[1] http://tomee.apache.org/
[2] http://jaxenter.com/introducing-the-java-ee-web-profile-36201.html
--
K.D. Chamil Jeewantha
Associate Technical Lead
WSO2, Inc.; http://wso2.com
Mobile: +94716813892
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