Fast Object Database for Java - with JPA/JDO support

ObjectDB 2.5.5

Released on 2014-04-06 (see other available releases).

Note: A newer version is available.

Use of ObjectDB is subject to the ObjectDB Licence agreement

Changes in ObjectDB 2.5.5:

  • Added support of Java 8 (JDK 1.8), see issue #1369.
  • Added support for deleting archive log directory when the database is open (issue #1303).
  • Changed the response to starting a database server that is already running (avoiding further attempts).
  • Fixed a memory issue with using ObjectDB with JBoss.
  • Fixed query execution issues with using composite indexes.
  • Fixed a bug in using LIKE operator in some combinations of different wildcards.
  • Fixed a bug in handling dates (TemporalType.DATE) on some time zones.
  • Fixed log archiving to affect only "odb*.log" files.
  • Fixed an Explorer bug in displaying Integer embedded ID fields as Long.

See the full change log.

ObjectDB with Maven

To use ObjectDB in your Java Maven project merge the following repositpory and dependencies into your pom.xml file:

            <name>ObjectDB Repository</name>


ObjectDB 2.5.5 Maven files:

objectdb-2.5.5.jar objectdb-2.5.5.jar.md5 objectdb-2.5.5.jar.sha1
objectdb-2.5.5.pom objectdb-2.5.5.pom.md5 objectdb-2.5.5.pom.sha1


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.
  • Tutorial projects in Maven format for opening and running in your favourite IDE.
  • A sample objectdb.conf configuration file.
  • Source code of the JPA and JDO APIs.
  • JavaDoc of the JPA and JDO APIs.
  • The complete ObjectDB Manual in PDF format.

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support