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Editorial Team
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Asked: 2026-05-15T10:39:45+00:00

I’m looking for an entity detection in OpenJPA. That I don’t need to declare

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I’m looking for an entity detection in OpenJPA. That I don’t need to declare all entities in the persistence.xml.

Edit: I’m sorry, I forgot to say that I develop a java se app.

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  1. Editorial Team

    Read the Persistent Class List section in the user manual.

    Unlike many ORM products, OpenJPA does
    not need to know about all of your
    persistent classes at startup. OpenJPA
    discovers new persistent classes
    automatically as they are loaded into
    the JVM; in fact you can introduce new
    persistent classes into running
    applications under OpenJPA.

    • Note: There are a couple restrictions that are documented in the user manual but I left those out to keep this post brief.
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