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Issue
9

cannot delete objects after crash (see issue 2283)

after the crash we cannot delete specific objects, see screenshots of explorer. Database ... objectdb  meanwhile the database became completely unusable, we had to stop and run the Doctor. Find ... of the recovery failure is still in progress. we upload currently the database before Doctor
Tutorial
9

Eclipse/JPA Web Application Tutorial

. Every visitor that has signed the guestbook is represented by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database. Required Software For this tutorial you will need ... a database driven Java web application in Eclipse - using Tomcat 6, ObjectDB and JPA. The demo web
Tutorial
9

JPA Web Application Tutorial

a Guest entity object and all the Guest entity objects are stored in an ObjectDB database ... This tutorial demonstrates how to create and run a database driven Java web application using Tomcat 6, ObjectDB and JPA. The demo web application manages a basic guestbook page. Every visitor
Tutorial
9

NetBeans/JPA Web Application Tutorial

a database driven Java web application in NetBeans - using Tomcat 6 Apache Tomcat Server 6.0 (some ... that has signed the guestbook is represented by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database. Required Software For this tutorial you will need the following software
Tutorial
9

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Package Explorer] window ... should represent Point objects in the database. Besides the @Entity annotation and the id field
Tutorial
9

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window ... ("(%d, %d)", this.x, this.y); } } The new class should represent Point objects in the database
Result
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What is new in ObjectDB 2.0?

optimistic locking support. Performance improvement in writing and reading of objects. Level 2 (PersistenceManagerFactory scope) object data cache. Query program cache for repeating queries ... configurable database page cache. Designed to support very large database files (terabytes). Reducing round
Result
9

How to upgrade from ObjectDB 1.0?

the new Enhancer. Convert old database files using the ObjectDB converter: > java -jar converter.jar ... is more sensitive to failure to close a PersistenceManagerFactory. The database is closed ... . To use embedded objects you must declare classes as embeddable (rather than the reference fields
Forum
9

Corrupted Database or error in ObjectDBExplorer?

. Only when an object is stored in the database (e.g. during update) with a schema that doesn't include field ... Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8 ... the Database-File? An analysis with the DB-Doctor found no problems.   We observe the error if we try to open
Forum
9

Multi-Threading/Distributed-Database Questions...

Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects ... objects on both, i.e. distributed database/graph of objects ? Kind Regards and Thanks ! Activity ... thread. References from objects in one database to objects in another database are not supported