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Jakarta EE, Java & Jboss compatibility.

Linda Hamilton

Nov 05, 2024 pm 07:50 PM

Jakarta EE, Java & Jboss compatibility.

I recently had to run a feasibility check to upgrade an application from Jboss 7 to Jboss 8 . Documenting the min required compatible versions & the rationale here in case it helps anyone using similar tech stack.

Tech stack:

Current Tech	Version	Tech Required for Jboss 8	Version
Java	1.8	Java	17
Java EE	8	Jakarta EE	9
Spring	2.5.6	Spring	6.0.x
Struts	1.x	Spring MVC	6.0.x
Jboss	7.1	Jboss	8

Rationale for Jakarta EE 9 :

The lowest supported Java version for Jboss 8 is Java 11.
The baseline supported version for Spring 6.x is Java 17.

Rationale for Jakarta EE 9 :

Jakarta EE version	Package names	Description
Jakarta EE 8	javax.*	Same as Java EE 8 only the brand name has been updated. No change in namespace.
Jakarta EE 9	jakarta.*	Brand names & package names are updated. Namespace changed to jakarta.
Jakarta EE 10	jakarta.*	Brand names & package names are updated along with changes to the API itself.

Rationale for Spring 6.0.x :

Spring version	Supported Jakarta EE version	JDK version
Spring Framework 5.3.x	Java EE 7 - 8	JDK 1.8 - 21
Spring Framework 6.0.x	Jakarta EE 9 - 10	JDK 17 - 21

Rationale for Spring MVC 6.0.x :

Struts 7.0.0 release version supporting Jakarta EE 9 has not been released yet according to WW-5141

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