About managed

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JPA Doc
16

javax.persistence.metamodel.ManagedType

(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds to the specified name. Parameters: name - the name ... - if attribute of the given name is not present in the managed type Since: JPA 2.0 Set< Attribute
JPA Doc
16

javax.persistence.metamodel.MappedSuperclassType

types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds ... the managed type Since: JPA 2.0 Set< Attribute> getAttributes() Return the attributes
Result
16

ObjectDB Object Database Features

can manage databases of various sizes efficiently, ranging from kilobytes to terabytes. Platform ... Automatic connection pool managed by EntityManagerFactory. Configurable - minimum/maximum connections ... - easier to back up, transfer and manage. Single runtime JAR (including JPA/JDO) - no external
Manual
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Database Replication and Clustering

, the same database is managed on multiple machines (nodes), possibly in different geographic locations ... master-slave replication the master node manages the main (master) database, which supports Read / Write operations. The other (slave) nodes in the cluster manage identical copies of the same database
Forum
15

Persist not working when ObjectDB and another db is used in the same application (through spring) with different tx managers

(through spring) with different tx managers, please find an example of this below. Any help is greatly ... ="entityManagerFactory" /> manager="txManager" /> managing transactions -->   manager="myTxManager" />
Forum
15

em.flush(); em.clear(); loosing data and not persisting managed objects

tracking management system called CMVC, since I don't have direct access to that database ... .CMVCSync.main(CMVCSync.java:61)   [2011-05-05 22:28:02 #132 query.manager] [2011-05-05 22:28:02 #138 query.manager]
Forum
15

Mysterious "Attempt to persist a reference to a non managed instance" error

.RollbackException Failed to commit transaction: Attempt to persist a reference to a non managed failing ... .UserException: Attempt to persist a reference to a non managed failing.Ostrich instance at com.objectdb.o ... a reference to a non managed failing.Ostrich instance at com.objectdb.o.MSG.d(MSG.java:61) at com
Forum
15

Attempt to refresh a non managed entity object (error 635)

.IllegalArgumentException Attempt to refresh a non managed entity object (error 635) Nothing changed in my code ... ) ? This error message indicates invoking refresh (explicitly or implicitly by cascading) on a non managed ... , for example, managed, but objects surviving a rollback. Pretty sure that my configuration is not right. dmoshal
Forum
15

2.7.3_03 Erroneous "Attempt to modify a primary key of a managed object"

key of a managed object", but my application is not trying to change the primary key.  (ObjectDB ... to modify a primary key of a managed object. Older versions missed some checks that were added recently ... "Attempt to modify a primary key of a managed object" So I assumed it was relevant to the thread
Issue
15

ODB-FileWriter holds unecessary entity reference after transaction and entity manager are closed

a transaction (including the entity manager) the ODB file writer still holds a reference to entities ... , if we execute several transactions on the identical entity manager. Also triggering the Garbage ... which we open up to lots of different Db files at the same time, each with own entitiy manager and open