Oracle Coherence
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Oracle Coherence

Micronaut Coherence 1.0.0 Milestone 1 Released

We are pleased to announce immediate availability of Micronaut Coherence 1.0.0-M1, the first milestone release on the road to the 1.0.0 release in June.

While only a preview release, it certainly packs a punch by providing support for a number of Micronaut features.

A new micronaut-coherence module provides factories for commonly used Coherence objects, such as Cluster, Session, NamedMap, NamedCache, NamedTopic, and many others, which allows you to easily inject those objects into your application classes.

The micronaut-coherence module also provides support for Coherence server- and client-side events via Micronaut event listeners.

The micronaut-coherence-data module alows you to use Micronaut Data with Coherence as a back end data store.

Finally, the micronaut-coherence module provides support for Micronaut Messaging using Coherence Topics.

The micronaut-coherence-cache module adds support for using Coherence as a back end for Micronaut Cache.

The micronaut-coherence-distributed-configuration module adds support for using Coherence as a store for Micronaut Distributed Configuration.

The micronaut-coherence-session module adds support for using Coherence as a store for Micronaut HTTP Sessions.

The goal for the Micronaut Coherence integration is to make development of Micronaut applications and microservices with a Coherence back end as simple as possible, and we believe we’ve made great strides towards it in this release.

To see how many of the features above work together, check out Micronaut server implementation of our To Do List sample application.

You can run Micronaut services and Coherence cluster members in the same or different JVMs, access Coherence using Micronaut Data, use Micronaut Messaging to publish and consume messages stored in Coherence NamedTopics, and use Coherence as a back end data store for Micronaut Caching, Distributed Config, and HTTP Sessions.

The complete documentation for the currently supported features is available here.

We plan to add support for asynchronous and reactive Micronaut Data repositories, and polish some of the existing features that may be a bit “rough around the edges” at the moment for Milestone 2, which is tentatively planned for late April/early May.

The final release should coincide with the release of Coherence CE 21.06 later in June.



Oracle Coherence is the industry leading in-memory data grid solution that enables organizations to predictably scale stateful workloads. Often immitated, but never duplicated, it is now available for everyone to use free of charge.

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Aleks Seovic

Father of three, husband; Coherence Architect @ Oracle; decent tennis player, average golfer; sailor at heart, trapped in a power boat