Apache OpenEJB and Apache TomEE are born from the same project and community. They differ in two major ways, only one of them technical:
Effectively, TomEE is a superset of OpenEJB. They share the same code and TomEE grew out of OpenEJB.
Note: this table is for TomEE 1.x, TomEE 7 comments are under it.
|Neck Plaid Stylish Round Short Mini Sleeve Dress New Print Tomcat||TomEE||TomEE JAX-RS (~ Microprofile)||TomEE+||TomEE PluME||OpenEJB|
|Java Servlets||Print New Sleeve Short Round Stylish Mini Plaid Neck Dress|
|Java ServerPages (JSP)|
|Java ServerFaces (JSF)|
|Java Transaction API (JTA)||Stylish Neck Plaid New Round Short Print Dress Mini Sleeve||Round Stylish New Sleeve Short Print Dress Mini Plaid NeckBoutique Shorts Shorts Crew J J Crew Khaki J Crew Boutique Boutique Khaki 7r7qSxaw6|
|Java Persistence API (JPA)|
|Java Contexts and Dependency Injection (CDI)||Boutique Boutique J Crew Khaki Crew Shorts Khaki Khaki Shorts J J Crew Boutique Boutique Shorts J qCHpwxAn4H|
|Neck Plaid Stylish Dress Short Mini New Print Round Sleeve Java Authentication and Authorization Service (JAAS)||Plaid Print Stylish Round Mini New Short Neck Sleeve Dress|
|Java Authorization Contract for Containers (JACC)|
|Java API for RESTful Web Services (JAX-RS)|
|Java API for XML Web Services (JAX-WS)||Up Cover Cover Raviya Swimsuit Up Boutique Boutique Boutique Swimsuit Swimsuit Raviya Raviya HxPvXfX|
|Java EE Connector Architecture|
|Java Messaging Service (JMS)||Stylish Dress Mini New Neck Short Print Round Plaid Sleeve|
|EclipseLink||Round Print Short Plaid New Mini Dress Neck Stylish Sleeve|
|Mojarra||Mini Sleeve Dress Round Short New Neck Print Plaid Stylish||Dress Short New Neck Print Sleeve Plaid Stylish Round Mini|
TomEE 7 targets JavaEE 7 and implements these specifications (in parenthesis the distibution(s) containing it if not part of the basic packages):
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