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Java static variable in a cluster environment

Design J2EE Applications for Real-time Clustered Environments

This article cannot use the java static variable in a cluster environment, but if we want to use a static variable of the type (only one copy of the value shared by the entire object in the cluster application), what should we use?

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A static variable can only be accessed by one Java virtual machine loaded with a single class loader. If you need to share this value with several JVMs, you can use a database, cache (memcached, redis) or any other external system.

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@Stateful bean @javax.enterprise.context.ApplicationScoped.

, , GlassFish 3.1 ( , ).

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