ObjectDB 2.7.0

Released on 2017-03-09 (see other available releases).

A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence

Changes in ObjectDB 2.7.0

  • Extended maximum supported entity object size to nearly 2GB.
  • Added a temporary system property to disable "enhancement ... is old" checks.
  • Fixed a bug in handling remove and persist of the same object in one transaction (issue #2027).
  • Fixed objectdb.jar to include META-INF/MANIFEST.MF as the first entry (required by Apache Karaf).
  • Fixed a cache bug in repeating some sorts of LIKE queries with different parameters.
  • Fixed a NullPointerException bug in automatic building of new indexes.
  • Fixed a NullPointerException in running the Doctor when new indexes have to be built (issue #1959).
  • Fixed a schema evolution bug in handling hierarchy change.
  • Fixed setting JDO's "javax.jdo.option.IgnoreCache".
  • Fixed JDO exception on invoking currentTransaction on a closed PersistenceManager.
  • Fixed an "Enhancement ... is old" bug on overriding persistent properties with a different return type.
  • Fixed a bug in using java.lang.Enum as a field/property type (and not a specific enum type).
  • Fixed a critical  "Enhancement ... is old" bug when using property access mode (making enhancement unusable).
  • Fixed an "Attempt to modify a primary key" bug when using property access mode.
  • Fixed a bug in allowing page sizes larger than 64KB (which are not supported by ObjectDB).
  • Fixed an issue of very slow online backup.

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>2.7.0</version>
	</dependency>
			...
</dependencies>

Maven files:

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.