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12

JBoss 7 startup fails

:49:36,719 INFO [org.jboss.as.jpa] (MSC service thread 1-1) added javax.persistence.api dependency ... , javaee.api, org.jboss.as.jpa, org.javassist dependencies to Guestbook_Jee.war 11:53:45,270 INFO [org.jboss.as.jpa] (MSC service thread 1-3) added (default provider) org.hibernate dependency
11

Extended mapping-definitions

depending on its java-class. But in this case all the instances would be saved in the same 'table' (or ... [...] -> It depends on how objectDB stores java-objects. Does it store them depending on their java-class ... the elements with className = 'Cat'. So it is a performance issue depending on how objectDB maps entities
11

virtual servers and one file

per file in the virtualized harddisk. As of my understanding each virtual file is (depending on the size ... that problem, wether in a file per entity or just depending on continous primary key. I will try ... areas. Maybe depending on the creation date? best regards Arne Arne Arne Stocker Thank
10

EntityManager JPA or JDO impl and different behavior

, since it will enable getting into ObjectDB with the debugger (by replacing the objectdb jar with dependency ... to remove the M2_REPO dependency for objectdb jar and instead add a dependency to the objectdb project ... I imported the project using m2eclipse and then replacing the jar with dependency on the ObjectDB
10

Entity factory

via dependency injection like: @Entiy public class User { private final UserService userService ... without the possibility to inject dependencies (at least without using static variables which are very bad code ... this             (EntityManager)JDOHelper.getPersistenceManager(this); support Support Thanks, I managed to use my own dependency
10

problems using the explorer

> <url>http://m2.objectdb.com</url> </repository> </repositories> ... <dependency ... </version> </dependency> ... Problem: we created a small example that just writes and retrieves ... 2.5.5 also by your application:   <dependency> <groupId>com.objectdb</groupId
10

InternalError on multiple AND and JOIN Query

is platform dependent! [INFO] Copying 0 resource [INFO] [compiler:compile {execution: default ... dependent! [INFO] Compiling 9 source files to /home/pedwards/CONTEXTSPACE_workarea/objectdb_example ... platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent
10

Unexpected internal exception during set field of an Embeddable to null

depends on d; c depends on b; d depends on a; b depends on a; Then the Build order is: 1) a 2) b 3) d 4
8

Spring Data JPA - PersistenceException thrown

is for JPA 1.0 spec. The dependency listed on the maven page http://m2.objectdb.com/com/objectdb/objectdb/2.6.3/ <dependency> <groupId>org.eclipse.persistence</groupId> <artifactId>javax.persistence</artifactId> <version>2.1.0</version> </dependency> Fixes this issue. watchdogtimer Tom Hartwell
2

Why does ObjectDB duplicate classes from javax.jdo:jdo-api?

and eliminates the need for another dependency to an ORM, such as Hibernate, since it implements the JPA ... the @Index annotation, I had to add a dependency to the JDO API version 3.1. The code works just ... point was that it had a single JAR file with no external dependencies (e.g., compared to Hibernate

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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