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manual

JPA Lifecycle Events

Explains how to use JPA lifecycle events (client side triggers) with callback methods and listener classes. Callback methods are user defined methods that are attached to entity lifecycle events and are invoked automatically by JPA when these events occur. This page covers the following topics: Internal Callback Methods ...

 
forum_thread

Project runs in Eclipse but not when exported to runnable jar

I have a simple project that performs some stability calculations and displays a scale drawing of a model glider. I decided to use objectdb as a way to persist the values for later retrieval. The project works perfectly well when run from eclipse but nothing opens when I export to a runnable jar and execute that. No windows open, there are no eror dialogs etc. Commenting out all the code related to object db resolves the issue and the project runs, so I'm fairly sure it is something I've done relating to objectdb. #1 2011-08-15 06:37 I have a simple project that performs some stability calculations and displays a scale drawing of a model glider. ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO.... the background index activation is completed, ObjectDB can start using the new indexes to accelerate execution of relevant queries. ...

 
forum_thread

Request clarification of changes to accessor enhancement policy (non-getter prefix instead of getter suffix) AND annotations

In response to the forum posting http://www.objectdb.com/database/forum/994 changes were made to the way enhancement treats getters and setters (property accessors), namely there are no longer enhanced additional getters/setters, because the additional methods now use (since about version 2-6-5) this pattern: __odbHidden_[accessor_name] Instead of this pattern with a suffix (preserving the method as a setter or getter), prior to version 2-6-5: #1 2016-08-20 13:44 In response to the forum posting http://www.objectdb.com/database/forum/994 changes were made to the way enh ...

 
manual

SELECT clause (JPQL / Criteria API)

Explains how to use the SELECT clause and projections in a JPA/JPQL query. The ability to retrieve managed entity objects is a major advantage of JPQL. For example, the following query returns Country objects that become managed by the EntityManager javax.persistence.EntityManager JPA interface Inte ...

 
issue

ArrayIndexOutOfBoundsException: -1

I've attached a test which fails with the error "ArrayIndexOutOfBoundsException: -1". It runs 10 threads which create and persist objects. The objects are based on application objects so its not a single class test I'm afraid but it is standalone. I'm running as follows: java -classpath objectdb.jar;test.jar PersistTest I've attached the test jar, a jar containing the source and the odjectdb.conf. Bug Version: Priority: Critical Status: Fixed Replies: 3 Type:  Bug ...

 
forum_thread

Removing an entity throws exception

Hi all, I'm testing ObjectDB for my project, but I have troubles with it. At this time I'm not able to remove customer entity, when it's read by a query (it's attached), it throws this exception: Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: com.objectdb.o._RollbackException: Failed to commit transaction: 51 ... #1 2011-06-08 14:02 Hi all, I'm testing ObjectDB for my project, but I have troubles with it. At this time I'm not ab ...

 
forum_thread

Changing existing objects from Entity to Embedded

Hi, I realised that I have a mistake (from application logic point of view) in one of my JDO metadata files: #1 2017-11-30 15:42 Hi, I realised that I have a mistake (from application logic point of view) in one of my JDO metadata fil ...

 
issue

Error in production. Failed to commit transaction: Unexpected database state: BTree -152 is not found

2014-06-16 11:52:26,684 ERROR cl.intelidata.servlet.Fact .respondeRut (122 ): Unexpected internal exception [ObjectDB 2.5.5] Unexpected exception (Error 990) Generated by OpenJDK 64-Bit Server VM 1.7.0_25 (on Linux 3.11.0-12-generic). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang.NullPointerException ... be needed. Please try to stop the server and then start it again, do you still have the problem? Check the database file ...

 
forum_thread

object creation during pmf.getPersistenceManager()

Hi #1 2011-07-28 10:37 Hi   We have observed that during pmf.getPersistenceManager(), objectdb is creating object instances ...