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  1. # TomEE versioning policies

TomEE version policy is made of three dot-separated numbers: x.y.z

  • x is the major version. It corresponds to the maximum Java EE specification supported by TomEE and a codebase generation, starting with value 1 for Java EE 6 support. Next major will be 7 targetting JavaEE 7 etc…​

  • y is the minor version. It corresponds to a features level, starting at 0. Initial TomEE release was 1.0.0, followed by 1.5.0 because of the accumulation of features changes delivered since 1.0.0. Note that features changes must comply with the Java EE specification level given by TomEE’s major version.

  • z is the fix level. It corresponds to bug fixes changes without new features, starting at 0. Upgrades of embedded components (Tomcat, OpenEJB, MyFaces, etc.) are normally part of bug fixes releases.

These policies allow an Java EE application to be certified with a given TomEEE version x.y.z and to be compatible with TomEE versions x.y1.* with y1>y and compatible with TomEE version x.y.z1 with z1>z.

Important: being JavaEE certified means the server passed the Test Compatibility Kit (TCK). To simplify/summarize it is a big test suite to validate your are compliant with a JavaEE version. TomEE 1.x passed the JavaEE 6 TCK which was donated to Apache Software Foundation by Oracle. This donation hasn’t been done to Apache for JavaEE 7 so TomEE is not able for now to be validated against it and therefore TomEE versions targetting JavaEE 7 are not yet certified.

To make it more explicit here is a small table showing the targetted JavaEE version and the related certification state by version:

TomEE Version

JavaEE Version

Certified

1.x

6

Yes

7.x

7

No