ObjectDB ObjectDB

Internal Website Search

31-40 of 81 resultsRefresh

Problem on JPA Merge Entity.

. This the chain of call that don't work: @Component public class ProtocolsEditorServiceImplProto ... ); .... } } ergoManager implementation: @Component @Transactional public class ... . /testCreate /testUpdate /refresh /updateAllInDao testCreate Create component of statement, save componenet

explorer NullPointerException

.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:850) at java.awt.Component.processMouseEvent(Component.java:6290) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6055) at java.awt.Container.processEvent(Container.java:2039

java.lang.NullPointerException when using ORDER BY

:252)         at java.awt.Component.processMouseEvent(Component.java:6505)         at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)         at java.awt.Component.processEvent(Component.java:6270)         at java.awt.Container.processEvent(Container.java:2229)         at java.awt

com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMV

.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)         at java.awt.Component.processMouseEvent(Component.java:6505)         at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)         at java.awt.Component.processEvent(Component.java:6270)         at java.awt

Null enums and IS (NOT) NULL: NullPointerException

.TagValueExpression.getValue(TagValueExpression.java:109) at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) at javax.faces.component.UIData.getValue(UIData.java:732) at javax.faces

Date field Index is corrupted due to time change

(BasicButtonListener.java:252)         at java.awt.Component.processMouseEvent(Component.java:6516)         at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)         at java.awt.Component.processEvent(Component.java:6281)         at java.awt.Container.processEvent(Container.java:2229

ArrayIndexOutOfBounds on showing Tree Window

.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:330) at java.awt.Component.processMouseMotionEvent(Component.java:6580) at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3342) at java.awt.Component.processEvent(Component.java:6304) at java.awt.Container.processEvent


will be visible to application components. The provider may only use this ClassLoader within the scope


javax.jdo.annotations Annotation Order Target: Fields (including property get methods) Annotation for the ordering component of an ordered container member, such as Java Collections Framework Array and List types and Java native array types. Corresponds to the xml element "order". Since: JDO 2.1


javax.jdo Interface PersistenceManager PersistenceManager is the primary interface for JDO-aware application components. It is the factory for Query and Transaction instances, and contains methods to manage the life cycle of PersistenceCapable instances. A PersistenceManager is obtained from

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support