ObjectDB 2.3.3

Released on 2011-11-10 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence. 

Changes in ObjectDB 2.3.3

• Improved compilation performance of OR queries with many elements.
• Fixed eager fetch of maps and nested embedded objects.
• Fixed a bug in removing a new flushed entity object before first commit (issue #562).
• Fixed a NullPointerException in accessing inverse (mapped by) collection fields with cascading persist after updating the database and before commit (issue #544).
• Fixed NullPointerException on accessing an inverse collection in an entity that has been garbage collected (issue #544).
• Added support of @Column(unique="true") and equivalent ORM XML (issue #550).
• Fixed @PrePersist on merge to be called after merging fields (issue #551).
• Fixed eager fetch of collections and maps of simple values (issue #552).
• Fixed a NullPointerException in enhancement of more than one class path root (issue #554).
• Fixed a NullPointerException on detachment of some objects.
• Fixed Linux "Name or service not known" error on server stop.

See the full change log.

ObjectDB with Maven

To use ObjectDB in a Java Maven project add the ObjectDB repositpory and dependency to the pom.xml file.

Use Java 8 or above with the javax variant and Java 17 or above with the jakarta variant.

<repositories>
			...
	<repository>
		<id>objectdb</id>
		<name>ObjectDB Repository</name>
		<url>https://m2.objectdb.com</url>
	</repository>
			...
</repositories>
			...
<dependencies>
			...
	<dependency>
		<groupId>com.objectdb</groupId>
		<artifactId>objectdb</artifactId>
		<version>2.3.3</version>
	</dependency>
			...
</dependencies>

ObjectDB Development Kit

The ObjectDB Development Kit includes:

• The ObjectDB runtime JAR (available also on Maven).
• The GUI ObjectDB Explorer.
• Sample ObjectDB databases that you can open in the Explorer.
• Command line tools for running the ObjectDB Server and the ObjectDB Enhancer.
• A sample objectdb.conf configuration file.
• Source code of the Java / Jakarta Persistence API (JPA).
• JavaDoc of the Java / Jakarta Persistence API (JPA).
• The complete ObjectDB Manual in PDF format.