Apache TomEE

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.

Tomcat

TomEE

TomEE JAX-RS (~ Microprofile)

TomEE+

TomEE PluME

OpenEJB

Java Servlets

(/)

Java ServerPages (JSP)

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Java ServerFaces (JSF)

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Java Transaction API (JTA)

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Java Persistence API (JPA)

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Java Contexts and Dependency Injection (CDI)

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Java Authentication and Authorization Service (JAAS)

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Java Authorization Contract for Containers (JACC)

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JavaMail API

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Bean Validation

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Enterprise JavaBeans

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Java API for RESTful Web Services (JAX-RS)

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Java API for XML Web Services (JAX-WS)

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Java EE Connector Architecture

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Java Messaging Service (JMS)

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EclipseLink

(/)

Mojarra

(/)

TomEE 7 targets JavaEE 7 and implements these specifications (in parenthesis the distibution(s) containing it if not part of the basic packages):

WebSocket JSR 356
JSON-P JSR 353
Servlet 3.1 JSR 340
JSF 2.2 JSR 344
EL 3.0 JSR 341
JSP 2.3 JSR 245
JSTL 1.2 JSR 52
JBatch (plus) JSR 352
Concurrency utilities for EE JSR 236
CDI 1.2, DI, Interceptors 1.2, Common Annotations JSR 346 + JSR 330
JSR 318 + JSR 250
Bean Validation 1.1 JSR 349
EJB 3.2 JSR 345
JavaEE Connector JSR 322
JPA 2.1 JSR 338 (WARNING: openjpa based distributions provide a JPA 2.0 runtime)
JMS 2.0 JSR 343 (layer based on ActiveMQ 5 / JMS 1.1 for default distributions)
JTA 1.2 JSR 907
Javamail 1.4 (NOTE: EE 7 requires 1.5)
JAX-RS 2.0 JSR 339
JAX-WS 2.2 JSR 224
JAXB 2.2 JSR 222
and more inherited from TomEE 1/JavaEE 6

Comparison