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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T13:58:58+00:00 2026-05-27T13:58:58+00:00

I am having some entity beans created in EJB 2.0 and now I need

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I am having some entity beans created in EJB 2.0 and now I need to migrate to EJB 3.x, but I’ve studied that use of entity beans are changed in EJB 3.x and they are using JPA instead.

Where can I find solution to actuate my beans to be comfortable with EJB 3.x?

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  1. Editorial Team
    Editorial Team
    2026-05-27T13:58:59+00:00Added an answer on May 27, 2026 at 1:58 pm

    For example from following resources available online:

    • http://www.datadisk.co.uk/html_docs/ejb/ejb3_migration.htm
    • http://www.oracle.com/technetwork/middleware/ias/oc4j-twp-ejb3-migration-1013-133021.pdf

    or following printed books:

    • Pro JPA 2 Mastering the Java Persistence API (p. 457-466)
    • EJB3 in Action (p. 513-528)
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