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Embedded Database Replication

is optimal and healthy? Alternatively some kind of jboss style UDP broadcast from each embedded

_PersistenceException: Failed to open file

Hello! I am experiencing a problem: JBWEB000309: type JBWEB000066: Exception report JBWEB000068: message com.objectdb.o._PersistenceException: Failed to open file '/Users/username/JBossSoftware/jboss-eap-6.2/bin/$objectdb:/localhost:8080/db/guests.odb' the path in persistence.xml

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

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

Web Framework Recommendation for leveraging JPA + ObjectDB

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

coonection pooling

Hi, is it possible to implement a mechanism in object db which redirects a particular user to its database. For example we have an ObjecDB server with 100 databases. On our Jboss server we have a single deployed application with 100 users. Depending on the logged user it will connect to different

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

Unexpected exception (Error 990) - NullPointerException

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

Feature suggestion: auto-detection of entities via persistence.xml extension

system: hibernate.archive.autodetection https://docs.jboss.org/hibernate/entitymanager/3.6/reference/en/html

ObjectDB 2.3.1

Added support for using ObjectDB with JBoss AS 7.0. Sample databases (world.odb, points.odb) included in ObjectDB distribution. New default Explorer colors (apply with Tools > Options > Fonts > Reset All). New menu for accessing local databases (in $objectdb/db) in the Explorer. Improved

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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