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Home/ Questions/Q 5929247
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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T14:23:50+00:00 2026-05-22T14:23:50+00:00

Is it possible to unmarshall a class without knowing it’s type ( JAXBContext.newInstance(clazz) )

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Is it possible to unmarshall a class without knowing it’s type (JAXBContext.newInstance(clazz)) , or what is proper way to test what is comming?
I do get messages for unmarshaling from plain text – String

Incomming classes doesn’t implement any interface and can be in any package.

thanks

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  1. Editorial Team
    Editorial Team
    2026-05-22T14:23:50+00:00Added an answer on May 22, 2026 at 2:23 pm

    No, not really. The JAXB context needs some information about what classes should be bound to. if necessary, pass a list of every possible JAXB-annotated class to the context factory method.

    This shouldn’t be a limitation, though – your own code also needs to know what classes to expect. If your code doesn’t know or care about the type of the bound classes, then JAXB isn’t the tool for the job, you should just be unmarshalling into a generic DOM of some kind.

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