Over a million developers have joined DZone.
{{announcement.body}}
{{announcement.title}}

There Is No "Cluster" in Java EE

DZone's Guide to

There Is No "Cluster" in Java EE

· Java Zone
Free Resource

Learn how our document data model can map directly to how you program your app, and native database features like secondary indexes, geospatial and text search give you full access to your data. Brought to you in partnership with MongoDB.

Very often, when talking/training/sharing about Java EE, I get the same question: What about clustering in Java EE? The answer is: nothing, rien, nada, ezer, nista, niets! There is nothing about clustering (failover, load-balancing…) in JavaEE. And to prove it, I’ve looked for the word “cluster” in the 4.171 pages of the 19 more important Java EE 7 specifications. The word “cluster” only appears once :

EE.5.2.2 – Application Component Environment Namespaces
(…)
java:global – Names in this namespace are shared by all applications deployed in an application server instance. Note that an application server instance may represent a single server, a cluster of servers, an administrative domain containing many servers, or even more

As you can see, there is nothing about clustering in the Java EE specifications. Some vendors might implement it, but that’s another “proprietary” story.

Discover when your data grows or your application performance demands increase, MongoDB Atlas allows you to scale out your deployment with an automated sharding process that ensures zero application downtime. Brought to you in partnership with MongoDB.

Topics:

Published at DZone with permission of Antonio Goncalves, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

THE DZONE NEWSLETTER

Dev Resources & Solutions Straight to Your Inbox

Thanks for subscribing!

Awesome! Check your inbox to verify your email so you can start receiving the latest in tech news and resources.

X

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}