Fast Object Database for Java - with JPA/JDO support

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1

Problem with distinct select, order by and equivalent alias/attribute path

9 using JPA and JTA (EJB 3.1 etc.). Where would you recommend to set this property? I tried to set
1

@ElementCollection Set<Integer> is emptied sometimes

the class that does that, a @Singleton EJB, plus the affected entity. zmirc Mircea Chirac
1

Externalising persistence.xml properties in Glassfish?

and that way you can externalize the persistance unit name and you can easily get that to your ejb
1

Attempt to begin a new transaction when a transaction is active

to the database in order to persist records. For example : @EJB RecordDao recordDao; recordDao
1

Help with JPA2 Criteria and conditional operator grouping

around the 'or'. Hence, my logic conditions is failing. The same EJB running against my eclipselink
1

Error in reading Enum in JPA - Failed to read using reflection

I have created a very simple Entity User which has an enum Status (INACTIVE, ACTIVE). When an entity User is created, everything looks OK and I have seen on explorer that User is created as expected with valid values of Status. This is all done with JPA/EJBs. However, at the time of reading
1

objectdb:2.8.4 - Error occurred during initialization of boot layer

javax.ejb.jar javax.jms.jar javax.persistence.jar javax.resource.jar javax.servlet.jsp.jar javax
1

ObjectDB 2.2.6

Fixed the "Attempt to reuse an existing primary key value" after flush bug. Fixed a bug in tracking changes to collections of new flushed entity objects. Fixed generated value (ID allocation) bug with flush and in EJB containers. Fixed a NullPointerException on getObjectsById. Fixed a server freeze
1

Web Framework Recommendation for leveraging JPA + ObjectDB

/ GlassFish) with servers, JSPs, JSF and EJB. Spring MVC Framework with either a servlet container or
1

Null enums and IS (NOT) NULL: NullPointerException

{ @PersistenceContext(unitName = "my-pu") private EntityManager entityManager; @EJB private TestManager

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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