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55

Entity is not related to ObjectDB, but i get exception from ObjectDB

.EJBTransactionRolledbackException: javax.persistence.PersistenceException: org.hibernate.InstantiationException: Could not ... .persistence.PersistenceException: org.hibernate.InstantiationException: Could not instantiate entity ... .InstantiationException: Could not instantiate entity: granat.dp.domain.entity.psql.DialogNew at org.hibernate.ejb
55

ObjectDB with JRebel: copious 'Not Enhanced:' errors with EJBs

that you are not responsible for compatibility with JRebel, but you might be able to provide some insight or ... enhancer.agent] Not Enhanced: com/example/ejb/query/__EJB31_Generated__ExampleQuery__Intf__: com.objectdb.o.TEX: Type com.example.ejb.query.__EJB31_Generated__ExampleQuery__Intf__ is not found at com
55

Annotations not supported in -source1.3 (use -source 5 or higher ..)

and other files: Annotations not supported in -source1.3 (use -source 5 or higher ..) Generics not ... see that this could explain the error) I could not figure out how to fix this in the points project in Netbeans, I did not find a setting for the Java version there, so I created a fresh basic Java Application in
55

Type xxx is not found (error 301)

The error: Type User is not found (error 301) occurs when I query the db for a type before any ... a").getResultList (); What I was expecting was an empty list, not an error. Is there some enhancement ... execution by using:     em.find(User.class, User.class); but this is not a portable JPA code
55

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

.epimss.lab.data.bacti.CultureRqst is not defined as an entity (@Entity is missing) (error 302) at com ... RequestDateAndNumber() } // end class Culture I am using JDO, NOT JPA. Thanks for any help. st ... to its own JDO API by packaging. Hence if I use another JDO jar other problems arise. I am not sure how I
11

Different behavior for casting and not casting

.MitgliedVertraegeFragment') IS NOT NULL Query #2 which is equal to the previous one though includes a casting and returns ... .MitgliedVertraegeFragment')) IS NOT NULL Furthermore, checking for empty collection doesn't return any entity either, however I am not sure whether this might start working when the previous issue with casting
11

JPA 2.2 LocalDate still not working

and objectdb still does not support LocalDate? com.objectdb.o._RollbackException: Failed to commit ... something wrong? Also Converters are still not working... Kevin Kevin Pfaff The system blocks ... is unrelated (although, this is obviously not the case here). Anyway, there were some technical
11

new objects not available in mappedBy associations

seeing that, in general, newly created objects are not immediately available in collection queries. I'll ... , but if the query has already been run and the field already contains a value - it will not be run again unless the object is retrieved again from the database (and not from the persistence context cache
11

Enhancement does not show an error message when an outdated license is used

. The entities were not enhanced in our jars. But the message from the enhancement tool com.objectdb.Enhancer ... _es BTC EmbeddedSystems Thank you for this report. Enhancement does not require a valid licence (e.g ... ). However, if there is no valid OEM activation then although the classes are still enhanced and usable they are not signed
1

[ODB1] Chapter 3 - Persistent Classes

persistent instances. Objects that do not represent anything in the database (including instances ... because persistent classes have some overhead. Classes that are not declared persistent are called transient classes ... , so implementing it explicitly is not trivial. It is easier to define a class without implementing

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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