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Editorial Team
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Asked: 2026-06-14T19:19:15+00:00

Since Java EE 5 does not have CDI, how does DI work in here?

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Since Java EE 5 does not have CDI, how does DI work in here?

Can an EJB be injected with @EJB in a class that is a non-EJB?
Can an EntityManager be injected with @PersistenceContext in a class that is a non-EJB (container managed not resource local EntityManager)? Or the only solution to bring the resources in non-EJB classes is by JNDI lookup?

By non-EJB class I mean a class that is not annotated with @Stateless/@Statefull or others.

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  1. Editorial Team

    Taken from: http://www.oracle.com/technetwork/articles/javaee/injection-141192.html

    Keep in mind that a Java EE 5 platform container can handle the
    injections transparently only when they are used on container-managed
    components, such as EJB beans, Servlets, and JavaServer Pages (JSP)
    technology tag handlers.

    onjava has an article: http://onjava.com/pub/a/onjava/2006/01/04/dependency-injection-java-ee-5.html

    It presents a readable table of which managed-components (per container) that support injection of what type of resources.

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