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Article


THE ROAD TO JBOSS EAP 8

June 24, 2022
Share on twitter Share on facebook Share on linkedin Share with email

Tags:
Java
James Falkner

Table of contents:
 * Jakarta EE evolution
 * What's planned for JBoss EAP 8
 * Product life cycle
 * Migrating to JBoss EAP 8

As a leading, open source, Jakarta Enterprise Edition (Jakarta EE)-compatible
application server, Red Hat JBoss Enterprise Application Platform (JBoss EAP)
has been a trusted workhorse for enterprise Java workloads for the past decade.
This article describes how the Jakarta EE specifications have evolved since the
release of the current version, JBoss EAP 7, and what you can look forward to
with JBoss EAP 8.

JBoss EAP 7 is optimized for cloud environments, and when deployed with Red Hat
OpenShift, offers containers, load balancing, elastic scaling, health
monitoring, and the ability to deploy to a container directly from the IDE to
improve developer productivity and experience.

Jakarta EE evolution


JAKARTA EE EVOLUTION

Red Hat is one of the founding members of the Jakarta EE working group and has
been actively involved in innovating and contributing since the earliest days of
Java Enterprise Edition (Java EE). After the move of Java EE from Oracle to
Jakarta EE at the Eclipse Foundation, Jakarta EE 8 was released and set the
specifications on a much more vendor-neutral footing, a shift championed by Red
Hat and other vendors.

The next major release, Jakarta EE 9, did not introduce significant new features
but instead made the big move of changing the Jakarta API package namespace from
javax.* to jakarta.*. The name change introduced a major incompatibility with
existing programs. Jakarta EE 9 was largely seen as a stepping stone to the next
major version, Jakarta EE 10. JBoss EAP does not support this stepping stone
because, without compelling new reasons to switch, the adoption of Jakarta EE 9
would have caused unnecessary churn in our customer base and their applications,
with no real added value to compensate.

The current plan for Jakarta EE 10 calls for a release in Q2 2022 and presents
an opportunity to create a significant revision to the platform compared to
Jakarta EE 8 (identical to Java EE 8), and Jakarta EE 9 (with the namespace
change).

Several specifications under Jakarta EE are getting new features. One of the
more prominent is the introduction of a Core profile (complementing the existing
Full and Web profiles that have been in Java EE or Jakarta EE for years). The
new profile contains a subset of Jakarta EE specifications that are most useful
for smaller, focused applications such as microservices, serverless workloads,
and natively ahead-of-time compiled apps. The Core profile is a great step
forward for the specification and moves Jakarta EE more into the cloud-native
and container space.

What's planned for JBoss EAP 8


WHAT'S PLANNED FOR JBOSS EAP 8

As always, customers should refer to the officially published life cycles of the
Runtimes products (including EAP) to plan upgrades and migrations for their
deployed Runtimes. The information in this article is subject to change without
notice.

JBoss EAP is based on the upstream WildFly project. That project is moving to a
feature-boxed release to align more closely with the way Jakarta EE evolves, and
the first version of WildFly to support Jakarta EE 10 will be WildFly 27. So
keep an eye on WildFly if you want to get a sneak peek of what's to come in
JBoss EAP.

The next major EAP release, JBoss EAP 8, is slated for the first half of 2023,
with a Beta release targeting the second half of 2022. The Beta release will
give customers a chance to test drive the new features but, more importantly, to
plan their migration from earlier versions of JBoss EAP. Along with new features
will be an update to platform support for newer versions of Red Hat Enterprise
Linux, Red Hat OpenShift, Windows, databases, and other dependencies. The final
list will be determined closer to release.

Support for the existing version, JBoss EAP 7.x, has been extended in order to
provide additional time for current customers to plan their migration to JBoss
EAP 8. Consult the Product Support and Update Policy page for updated support
dates for JBoss EAP. 

Product life cycle


PRODUCT LIFE CYCLE

Similar to the current version of JBoss EAP, customers will continue to enjoy
long-term support for JBoss EAP 8, corresponding to Red Hat Application
Services' Long-life Product Life Cycle. Coupled with industry-leading 24x7
support and multi-year update and maintenance policies, this commitment gives
customers peace of mind that Red Hat can support their most important
applications for years to come.

Migrating to JBoss EAP 8


MIGRATING TO JBOSS EAP 8

EAP 7 continues to be supported based on its support life cycle. Customers
should begin planning for migration to EAP 8 to continue to enjoy support beyond
the EAP 7 life cycle. As we get closer to EAP 8 Beta later this year, more
migration details will be available. But generally, migrations consist of two
main areas:  servers and applications.


SERVER MIGRATION

This process includes the migration of JBoss EAP configuration files such as
standalone.xml. The JBoss Server Migration Tool is the preferred method to
update your server configuration to include the new features and settings in new
JBoss EAP releases while keeping your existing configuration. The JBoss Server
Migration Tool reads your existing JBoss EAP server configuration files and adds
configurations for any new subsystems, updates the existing subsystem
configurations with new features, and removes any obsolete or "pruned" subsystem
configurations.

A preview of this tool will be included as part of the JBoss EAP 8 Beta release.
To understand how it works in detail, consult the existing EAP 7 documentation
on this migration tool (which will be updated for EAP 8).


APPLICATION MIGRATION

The main migration topic here is the change of Jakarta API namespaces from
javax.* to jakarta.*. In many cases, this change requires just a simple
substitution (and the migration toolkit has new support for things such as
OpenRewrite recipes to automate this), but not in all cases.

To assist in migrating applications, customers can use the migration toolkit for
applications. This toolkit is an extensible and customizable rule-based set of
tools that helps simplify the migration of Java applications. It analyzes the
APIs, technologies, and architectures used by the applications you plan to
migrate and provides detailed migration reports for each application. This tool
will support migrations to JBoss EAP 8 Beta (for testing purposes only) and
JBoss EAP 8 GA once it is released. More details on exactly how to migrate to
EAP 8 will be available closer to the EAP 8 Beta release.

Application migration and modernization is a large topic by itself. Red Hat
continues to innovate here as well, with new projects such as Tackle (part of
the Konveyor community), which eases the migration and modernization of
applications as they transition to the cloud, containers, and Kubernetes.

Keep watching this publication site, as well as the official new @RedHatJava
Twitter stream, for more details as we approach the release of JBoss EAP 8.


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RELATED CONTENT


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