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Mismatch client-server protocol prefix

[Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: com ... .java:299) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager

Configure ObjectDB in spring context

Hibernate Configurations--> <bean id="sessionFactory" class="org.springframework.orm ... ="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <

Join query problem with new statetment

2011-07-05 06:40:34.847 ["http-bio-8080"-exec-3] DEBUG o.s.orm.jpa.JpaTransactionManager ... "-exec-3] DEBUG o.s.orm.jpa.JpaTransactionManager - Should roll back transaction

Distinct Error

.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:310) ~[spring-orm-3.0.5.RELEASE.jar:3.0.5.RELEASE] at $Proxy74.getResultList

Fetching Collections Puzzle

have tried every combination of ORM and RDBMS but they are just not cut out for this kind of work. I ... to retreive one. (I am talking about hibernate and other orm, I have not tried this through ObejectDB

Custom Transaction Manager

://github.com/quarkusio/quarkus/blob/main/extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/customized/QuarkusJtaPlatform.java">com.arjuna.ats.jta.UserTransaction

@Convert is not supported?

yet. Particularly, this feature seems to be useful mainly in ORM for mapping Java types ... ? for any other reason? We may support this feature, although it is mainly an ORM feature

JDBC Driver name

also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS

Why does ObjectDB duplicate classes from javax.jdo:jdo-api?

because it is fast and eliminates the need for another dependency to an ORM, such as Hibernate ... adding ObjectDB as a database and ORM in a project, it seems odd that it would clash with classes

Unique Constraint Ignored

> it works perfectly. mosi0815 Ralph Moser Usually ObjectDB silently ignores ORM annotations. This is not a bug (it is orm">documented