MicroProfile Reactive Messaging

The Eclipse MicroProfile Reactive Messaging specification provides asynchronous messaging support based on Reactive Streams for MicroProfile.

You can use MicroProfile Config properties to provide configuration values for MicroProfile Reactive Messaging. For more information, see MicroProfile Config Properties: Reactive Messaging.

Open Liberty provides a connector for Reactive Messaging to connect to a Kafka server, offering an asynchronous messaging system for MicroProfile Reactive Messaging to use for storing messages. For more information, see Optimizing asynchronous communication with MicroProfile Reactive Messaging.

Enabling this feature

To enable the MicroProfile Reactive Messaging 3.0 feature, add the following element declaration into your server.xml file, inside the featureManager element:


Feature configuration elements

Stable API packages provided by this feature

  • org.eclipse.microprofile.reactive.messaging

  • org.eclipse.microprofile.reactive.messaging.spi

Supported Java versions

  • JavaSE-11.0

  • JavaSE-17.0

  • JavaSE-21.0

Developing a feature that depends on this feature

If you are developing a feature that depends on this feature, include the following item in the Subsystem-Content header in your feature manifest file.

io.openliberty.mpReactiveMessaging-3.0; type="osgi.subsystem.feature"