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4

ClassCastException on SELECT NEW ... after UPDATE over Java RMI

SET r.notes=r.notes WHERE r.id IN (1L) Obviously this is a bug. ObjectDB supports dynamic types (in order to support dynamic type languages in the future), but this is currently not in use
4

ObjectDB Enhancer Tool in Java 9

.UserException: Failed to generate dynamic type jdk.internal.reflect.SerializationConstructorAccessorImpl ... .UserException: Failed to generate dynamic type jdk.internal.reflect.ConstructorAccessorImpl at com
4

how explorer queries work

well, even if i have to avail to dynamic class loading, reflection, etc. jon jon ObjectDB knows ... . If you build your classes dynamically it could definitely explain the mismatching. Try to avoid using user
4

Custom Classloader: Issues with the Enhancer Agent

In my use case I generate some classes dynamically and load them with a custom classloader. The classloader is very standard and does something like this (simplified): public class ... (note: it may be a different class loader than the one that you implement for the dynamic classes
4

Maven driven compile time ehnancement

to generate dynamic type guest.GuestListener (error 361) One small change - I explicitly set the class ... : Failed to generate dynamic type guest.GuestListener at com.objectdb.o.MSG.d(MSG.java:74) at com
4

Field not persisted in abstract class with two level of nesting

to generate dynamic type objectdb.BUG2.AS (error 361) at com.objectdb.jpa.EMImpl.persist(EMImpl.java:445 ... dynamic type objectdb.BUG2.AS at com.objectdb.o.MSG.d(MSG.java:74) at com.objectdb.o.ACL.d(ACL.java
4

Upgrade to Java 8 won't run

._PersistenceException: Failed to generate dynamic type java.util.HashMap$Entry at com.objectdb.o ... .UserException: Failed to generate dynamic type java.util.HashMap$Entry at com.objectdb.o.MSG.d(MSG
4

Failover from Master to Slave

discussions and solutions: https://stackoverflow.com/questions/9957179/jpa-dynamic-persistence-unit-name https://stackoverflow.com/questions/8784302/dynamic-persistencecontext-unitname-attribute
0

JPA Query Criteria API (JPA 2.0)

The JPA Criteria API supports dynamic definition of JPQL queries using CriteriaBuilder as a factory. ObjectDB supports dynamic definition of JPQL queries as strings. Support of the new JPA 2 Criteria API in expected in future versions. support Support Implementation of the JPA Criteria Query API
0

each 1-2 days objects on some objectdb level lock/block each other

. The peek at around 23:00 is because of an automated database backup, not critical. between saturday ... resources (much more than a backup) and should be done when system load is low. There are no known

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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