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Forum
2

@Convert is not supported?

Currency instance is a singletone? You may try using a JPA lifecycle event (PostLoad). The purpose ... event" I didn't know about this functionality. But this wont help me to do what i've described ... have only one instance of same currency object..." so this could be achieved by JPA lifecycle events
Forum
2

Dirty checking

there is: void postDirty(InstanceLifecycleEvent event) http://www.objectdb.com/api/java/jdo/listener ... can see, there are: a) Lifecycle Listener classes, e.g: http://www.objectdb.com/java/jpa/persistence/event and b) some ... /entities   examples would be helpful   You can use JPA lifecycle event methods, as you mentioned
Forum
2

Does ObjectDB has a similar feature like Oracle Database Change Notification ?

events. But these events are fired only in the application that causes the update, so in order to have a cross server notification mechanism, your application has to set listeners for these events and then notify other applications and servers. yanggang
Issue
2

NullPointerException in ENH.g(ENH.java:401)

but one corrupt instance is still included). I error happens when reading the field "Event.participants ... issue with the database file (before deleting all other entities of type "Event" I could not read the field "Event.participants" from any of them). Thanks in advance Markus Ritter Please note
Forum
2

Problem upgrading

.event.ListenerMethod.receiveEvent(ListenerMethod.java:508) ~[vaadin-server-7.5.6.jar:7.5.6] at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:198) ~[vaadin-server-7.5.6.jar:7.5.6] at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:161) ~[vaadin-server-7.5.6.jar:7.5.6] at com
Forum
2

auto generate timestamp

an ordinary Date / Timestamp field and update it in an event callback method (@PrePersist, @PreUpdate). Not ... is preferred. It will be supported in future versions. You can, however, use the server time in the event
Forum
2

Class loading problem with private packages in OSGi environment

.CodeArchitectureImpl (error 361) at com.objectdb.Explorer$1.run(Explorer.java:57) at java.awt.event.InvocationEvent ... .objectdb.Explorer$1.run(Explorer.java:57) at java.awt.event.InvocationEvent.dispatch(InvocationEvent
Forum
2

exception thrown when try to run explorer again?

.java:56) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251) at java.awt ... .awt.event.InvocationEvent.dispatch(InvocationEvent.java:251) at java.awt.EventQueue
Forum
2

JBoss 7 startup fails

_web]] (MSC service thread 1-3) Exception sending context initialized event to listener instance ... service thread 1-3) Exception sending context destroyed event to listener instance of class guest
Issue
2

NPE using AND TRUE in WHERE clause

The following (dynamically generated) query causes an NPE: SELECT e FROM Event e WHERE e.account=:account AND TRUE When I change it to a trivial term which evaluates to true, it works fine: SELECT e FROM Event e WHERE e.account=:account AND 1=1 Here is the stack trace: om.objectdb.o