ObjectDB 2.1.0

Released on 2011-02-23 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence. 

Changes in ObjectDB 2.1.0

• Added Online Backup utility (issue #16).
• Added Master-Slave Replication / Clustering (issue #17).
• Added a PDF version of the ObjectDB manual (included in the download).
• Added sample (tutorials) Maven projects (included in the download).
• Added support of disabling optimistic locking exceptions.
• Added support of url arguments (";user=admin;password=admin").
• Changed default to NonTransactionalWrite enabled (issue #142).
• Fixed a bug in distinct queries (duplicates due to bad optimization).
• Fixed a bug in viewing TreeSet and TreeMap in the Explorer.
• Fixed detachment of entities by replacing proxy objects with ordinary objects.
• Fixed a schema evolution bug when adding a new super entity class.

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>2.1.0</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.