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Dependency from enhanced classes to the objectDB library

of annotations, but you will have to move the META-INF/orm.xml file to the project that contains ... & orm.xml) and has a reference to all bundles with entities. Basically this works. But only as long ... could be a solution. Can you look at that again? btc_es BTC EmbeddedSystems Try moving the orm.xml file

Spring 2.5 LocalContainerEntityManagerFactoryBean, no getSharedCacheMode()

with the following: <bean id="EnvDMSEntityManagerFactory" class="org.springframework.orm.jpa ... trace I get: Caused by: java.lang.AbstractMethodError: org.springframework.orm.jpa.persistenceunit ... .createContainerEntityManagerFactory(Provider.java:32) at org.springframework.orm.jpa

ObjectDB without javax.persistence

/persistence_1_0.xsd javax/persistence/orm_2_1.xsd javax/persistence/orm_2_0.xsd javax/persistence/orm

Spring + Maven + persitence.xml

.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:427) org.springframework ... .al(OMF.java:692) com.objectdb.jpa.EMF.createEntityManager(EMF.java:173) org.springframework.orm.jpa ... .springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:366) org.springframework

Spring Data JPA

) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.invokeProxyMethod(AbstractEntityManagerFactoryBean.java:376) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean ... (Method.java:601) at org.springframework.orm.jpa.SharedEntityManagerCreator

JPA Query language support in OBjectDB / Sub query or nested Query

<Product> findByContextID(@Param("contextIdParam") String contextId); org.springframework.orm.jpa ... ._PersistenceException: Unexpected query token 'SELECT' at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:321) at org.springframework.orm.jpa

Is ObjectDB the only object database that supports JPA?

an API for Object Relational Mapping (ORM), so many JPA features cannot be supported by regular object ... my doubt I know JPA is just a Specification and ORM Frameworks like Hibernate that implements JPA ... behind it and what are advantages of JPA over Hibernate? Which ORM does Implements best of JPA? Manikandan

a second mapping-file is ignored in persistence.xml by enhancer

-files: <mapping-file>META-INF/orm.xml</mapping-file> <mapping-file>META-INF/ormreq.xml</mapping-file> We start the enhancer and the entities of orm.xml will be enhanced by following output: enhancer ... unit in which the second orm file is defined? If you do, please describe how exactly you invoke

mapping file is not being loaded

">                              <persistence-unit name="project.odb" >         <mapping-file>mil/navy/navo/arf/config/orm.xml ... >     </persistence-unit> </persistence> The entities are mapped in the ORM.xml file correctly, as they work

Mismatch client-server protocol prefix

[] threw exception [Request processing failed; nested exception is org.springframework.orm.jpa ... .springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517

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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