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Object Relations Error after Schema Change

Hi we have a problem with relations in OBjectDB 2.4.6, the problem occured after we changed relations in few clases. Specificaly we deleted relation pointing to one class and created new relation to third class. If we restart both ObjectDB and Jboss everything works fine for a short period

Multi-tenant setup

Hi, does anybody have experience with multi tenant setup of objectDB. For example using multiple schema or multiple database. How to handle connections between app (Jboss Wildfly) and pass query request to appropriate database, how to dynamically add new database or schema. There are lot

Connections pool

Hi! Does ObjectDB keeps and reuses a pool of connections as MySQL JDBC driver does? I mean when it's used in a container like Tomcat, Glassfish, JBoss etc. Thank you. zmirc Mircea Chirac Yes. Every EntityManagerFactory instance manages a pool of connections and reuses them when it creates new

Many connections possible? and will it makes problem in future?

this should be handled by the application server or web server (GlassFish, JBoss, Tomcat) or by dedicated

Web Framework Recommendation for leveraging JPA + ObjectDB

are: Servlet container (Tomcat / Jetty) with servlets and JSPs. Java EE application server (JBoss

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

Unexpected exception (Error 990) - NullPointerException

.EjbInvocation.proceed(EjbInvocation.java:582) at org.jboss.weld.ejb

ObjectDB 2.2.1

Added support for using ObjectDB with JBoss AS 6.0 / 6.1. Fixed several bugs in handling eager fetch. Fixed a pessimistic locking bug. Fixed a bug in using primary key fields in queries. Fixed a bug in queries on deleted objects before commit / flush.

ObjectDB 2.4.3

Added support for using ObjectDB with JBoss AS 7.1.1. Improved performance of merging managed entities. Fixed a deadlock. Changed license checks.

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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