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Type ... is not defined as an entity (@Entity is missing) (error 302)

1.x example. Please follow the ObjectDB 2.x tutorial. Starting ObjectDB 2.x first level persisted
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UserException: Package com.example.model is not found by the enhancer

the classpath. This method is used in this tutorial. The error message that you got when trying to invoke
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Web Framework Recommendation for leveraging JPA + ObjectDB

. These 3 options are demonstrated in ObjectDB tutorials and are in use by many ObjectDB users
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Your Glassfish example on the web

Hi, I'm doing a school project with objectdb and glassfish. I have tried your web tutorial "Java EE JPA (Glassfish) with Netbeans". When I try to run the example and add an entry in the guestbook, it throws this exception: com.objectdb.o._PersistenceException: Attempt to obtain a connection from
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What role is the JDO in ObjectDB?

why the documentation and tutorials of ObjectDB 2.x focuses on JPA. JPA and JDO share many common features. Using
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javax.persistence.PersistenceException

the cause.   When I tried the tutorial example in a pure java project it worked fine. trying to use
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EntityManager getMetamodel() causes crash

I am trying to track down some obscure errors with multi-threading.  This involved looking at the EntityManager Metamodel but this caused an ObjectDB exception.  So I reverted to your example code in the tutorial (with class Point) and it works as expected: : (995, 995) (996, 996
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auto-generated uuid fields

Hello, we're porting a JDO application to ObjectDB which uses uuid-hex generated values. However the page on generated values in your JPA tutorial only mentions numeric generated values, and when we try to use it the error message seems to imply that auto-generating strings isn't supported