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Forum
6

system exception occurred during an invocation on EJB GuestDao

() 2014-09-01T19:09:01.324+0200|Avertissement: javax.ejb.EJBException at com.sun.ejb.containers ... .ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:698) at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx
Manual
6

Server Configuration

The configuration element specifies settings for running an ObjectDB Server. The server is affected also by other elements in the configuration file, particularly the and the configuration elements. The default configuration file contains the following element
JDO Doc
6

JDO Reference (JavaDoc) [2018-08-18]

This reference contains the API documentation (similar to JavaDoc) of JDO 2.2. The content is derived from the original JDO documentation with some additions and notes. The most basic JDO types are: All the other JDO types are organized into the following sections:
Result
6

Posting to ObjectDB Website - Important Instructions

contain a persistence unit, An entity or IdClass class should implement the java.io.Serializable interface).
FAQ
6

What are the main benefits of using ObjectDB?

fields can be stored by ObjectDB simply as part of the containing object. Relational databases lack
Result
6

Apache License, Version 2.0, January 2004

of the attribution notices contained within such NOTICE file, excluding those notices that do not
Manual
6

Paths and Types in JPQL and Criteria API

must contain a persistent field (or property) with a matching name. The path expression
JPA Doc
6

JPA Reference (JavaDoc) [2018-08-18]

This reference contains the API documentation (similar to JavaDoc) of the Java Persistence API (JPA) 2.0. The content is derived from the original JPA documentation (in the EclipseLink JPA 2 RI) with some additions and notes. The four most basic JPA types are: All the other JPA types are organized
Manual
6

Database Management Settings

The configuration element specifies back end (database engine) settings which are relevant on the server side and in embedded mode. The default configuration file contains the following element:
Manual
6

Shared (L2) Entity Cache

: boolean isCached = cache.contains(MyEntity.class, Long.valueOf(id)); Cached entity objects