About multiplication

forum_thread

Online backup problem

Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no exception is thrown, backup files aren't created. When I turn on DEBUG logging in ODB, I get multiple ClassNotFoundExceptions like : #1 2011-06-28 09:33 Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no ...

 
forum_thread

a REPLY button will be good!

Hi, all:     This bbs is wonderful, clean, fast. But it has no REPLY button, that can add a hint to which message the author is reply.     Sometimes, multiple replies confuse us in tracking the discussing topic, if a hint like this will be good: On 5/13/2011 11:46 AM,  wrote at floor 3: > line 1 > line 2 ...   #1 2011-07-13 08:40 Hi, all:     This bbs is wonderful, clean, fast. But it has no REPLY button, that can add ...

 
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 ...

 
manual

Database Replication and Clustering

Replication enables maintaining up to date version of an ObjectDB database on multiple nodes. ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used, the same database is managed on multiple machines (nodes), possibly in different geographic locations. This could help in achieving high availability, ...

 
api-jdo

javax.jdo.spi.StateManager

This interface is the point of contact between managed instances of PersistenceCapable classes and the JDO implementation.(Interface of JDO)

 
api-jdo

setExtensions(extensions)

Set multiple extensions, or use null to clear all extensions.(Method of javax.jdo.Query)

 
api-jpa

javax.persistence.AttributeOverrides

Used to override mappings of multiple properties or fields.(Annotation of JPA)

 
api-jpa

javax.persistence.AssociationOverride

Used to override a mapping for an entity relationship.(Annotation of JPA)

 
forum_thread

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

I am encountering problems (complexities) with EntityManager registration of entities across multiple modules in a multi-module Maven project. I have a  entities under many different paths in many different modules, and frequently evolving/changing. JPA2 persistence.xml does not seem to have support for wildcards under the <class> field. Apparently Hibernate has an autodetection extension system: hibernate.archive.autodetection https://docs.jboss.org/hibernate/entitymanager/3.6/reference/en/html/configuration.html #1 2017-07-04 04:05 I am encountering problems (complexities) with EntityManager registration of entities across multiple modules in ...

 
forum_thread

Error: Failed to write value of field X using reflection (oneToMany relation)

Hi there! I have been all day trying to solve this. I have read multiple sites and documentation, but I can go through this. I have a clase named Pedido, that have a reference ManyToOne to a clase Cliente. #1 2017-02-25 00:59 Hi there! I have been all day trying to solve this. I have read multiple sites and documentation, but I can go th ...