Chapter 4. Technology Preview

Important

The following configurations and features are provided as Technology Preview only. Technology Preview features are not supported with Red Hat production service level agreements (SLAs), might not be functionally complete, and Red Hat does not recommend to use them for production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process.

See Technology Preview Features Support Scope on the Red Hat Customer Portal for information about the support scope for Technology Preview features.

Examine the Health Check Using the Management Console

You can now examine the health check of a server using the management console. This functionality is available only when running JBoss EAP as a standalone server.

See Examine the Health Check Using the Management Console in the Configuration Guide for details on using this feature.

Add and Remove Custom Modules Using the Management CLI

You can use the module command to add and remove custom modules when running a standalone server. This command is not appropriate for use in a managed domain environment or when connecting to the management CLI remotely.

For more information on creating custom modules, see Create a Custom Module Using the Management CLI in the Configuration Guide for JBoss EAP.

Support for MicroProfile Rest Client 1.3.2 and Later

JBoss EAP now supports MicroProfile Rest Client 1.3.2 and later versions. See MicroProfile REST Client in the Developing Web Services Applications guide for JBoss EAP for information about MicroProfile Rest Client.

If you were using the previous version of the MicroProfile REST client, you need to make some updates in your code. For more information about the code changes, see Changes Required in MicroProfile Rest Client Code.

4.1. Support for MicroProfile OpenTracing 1.3.0

JBoss EAP now supports MicroProfile OpenTracing 1.3.0. See Tracing Requests with the MicroProfile OpenTracing SmallRye Subsystem in the Configuration Guide for information about the microprofile-opentracing-smallrye subsystem.

4.2. Support for MicroProfile Metrics 2.0.1

JBoss EAP now supports MicroProfile Metrics 2.0.1. See Eclipse MicroProfile Metrics in the Configuration Guide for information about the microprofile-metrics-smallrye subsystem.