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JPA Doc
1

detach(entity)

Method javax.persistence.EntityManager void detach(   Object entity ) Remove the given entity from the persistence context, causing a managed entity to become detached. Unflushed changes made to the entity if any (including removal of the entity), will not be synchronized to the database. Entities
Forum
1

evictAll() behavior

, I want to pick up all the changes from the database.  So, I call evictAll() in the following ways ... (L1) cache. But evictAll does not affect objects that have been changed by the current PersistenceManager - it is useful only to see changes that have been committed by other persistence managers
JDO Doc
1

getObjectId(pc)

Method javax.jdo.spi.StateManager Object getObjectId(   PersistenceCapable pc ) Return the object representing the JDO identity of the calling instance. If the JDO identity is being changed in the current transaction, this method returns the identity as of the beginning of the transaction
Issue
1

Internal Exception and Index Problems

". Try to change the userName attribute of this entry then the following error occurs: Unexpected ... it to another super/sub class), and due to any inheritance change (such as adding, removing or changing the super class). You can avoid this issue by restarting the ObjectDB server after every such schema change
Result
1

java.lang.Exception

with this Throwable. The specified array is copied by this call; changes in the specified array
Result
1

java.lang.RuntimeException

to be associated with this Throwable. The specified array is copied by this call; changes in
JDO Doc
1

javax.jdo.annotations.Unique

javax.jdo.annotations Annotation Unique Target: Classes and fields (including property get methods) Annotation for a database unique constraint. Used for database schema generation to create unique constraints. Also used to reorder database operations when flushing changes to avoid unique
JDO Doc
1

javax.jdo.Constants

.supportedOptions() String OPTION_CHANGE_APPLICATION_IDENTITY "javax.jdo.option
JDO Doc
1

javax.jdo.JDOCanRetryException

with this Throwable. The specified array is copied by this call; changes in the specified array
JDO Doc
1

javax.jdo.JDODataStoreException

array is copied by this call; changes in the specified array after the method invocation returns