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that EntityManager is closed and the result object becomes detached . Since the relationship between Foo And Bar is lazy - it is unavailable in a detached Foo instance and the collection looks empty. support Support

={CascadeType. DETACH ,CascadeType. MERGE ,CascadeType. REFRESH }) @JoinTable(name="PERSON_CONTRACT ... = FetchType. EAGER , cascade={CascadeType. DETACH ,CascadeType. MERGE ,CascadeType. REFRESH }, mappedBy

with a pre- detach loader that "visits" any data and relationships needed for particular views, rather than relying on one-size-fits-all EAGER. This pre- detach loader approach is even more flexible

the EntityManager after every operation your Company instance becomes detached . A detached entity

and detach all managed entity objects: ... Rolling back a transaction - either by invocation of rollback or ... ; AlphaOne Ron Brennan It is correct. All the entity objects are detached on rollback

= {CascadeType.REFRESH, CascadeType. DETACH }) private ModelElementImpl element; @OneToMany (fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType. DETACH }) private HashMap mappingMap = new

entities are automatically set to ' Detached ' state.  However, unless the relevant parts of the object graph have already been retrieved, they won't be retrieved for the detached object. I'm not

is selected). If a detached object is modified, it has to be merged (maybe merge is your missing method ... the beans, and then you do not have detached objects and merge is not required. This is how ObjectDB

if they are implementing interfaces PersistenceCapable and Detachable after postprocesing and they do not. I ... PersistenceCapable and Detachable as Isaid earlier Tomasz Tomasz Wozniak The ObjectDB 2 Enhancer doesn't use

Paul. pedwards Paul Edwards The difference between the two tests is that Spring JPA returns detached ... after detach . Your Spring JPA test passes if you set eager fetch for that collection:   

the EntityManager  managed entity objects become detached , and content that has not been retrieved ... ). See also "objectdb.temp.no- detach " as a possible quick workaround. support Support Loading it eagerly worked Unknown unknown

.get(0);     em. detach (unit);     unit.getChannelConfigurationSets ... in our webapp. A unit entity gets detached , the user edits it, its merged

). You may create a copy of that object (maybe by JPA's  detach + merge or by JDO's detachCopy ). Then you may be able to compare on @PostUpdate the entity object after the update with the cloned detached entity object before the update. support Support

that also suggests a new setting ("objectdb.temp.no- detach ") that may be useful for you. Regarding setting Spring Framework transactions in a way that JPA managed entities will not be detached on exiting

: After the commit and persist calls I do close the entity manager so my object gets detached . Between ... the odb specific fields (it is an objectdb.java.util.ArrayList). However, after detaching

(which has never been detached ). According to JPA - the merge operation is ignored for Customer - but cascaded to Item ... check, so merge is called only on detached entities. If objectdb follows jpa, maybe we should ask jpa

objects from Hibernate, detaches them and then persists them using ObjectDB. A tool ... answers! retrieves entity objects from Hibernate, detaches them and then persists them using ObjectDB

, retrieving only the needed ones, creating new ones (which I want to commit), detaching the ones I've ... the activity to multiple threads. Another option is to detach specific objects from the persistence

is an unusual one, in that it keeps all objects in memory at all times, in a Detached state (I realise ... to happen would be for there to be some way to re-attach the detached salesman with some form of 'I

fetch, detach , change and merge an object I get the following exception: Caused by: com.objectdb.o

;   em. detach (result);         return result;  

data from MySQL using JPA as entity objects, detach the retrieved entity objects and then persist

with detached objects (e.g. after closing the EntityManager ) then anything that has not

You can retrieve all your objects, detach them, and then persist them to a new database

for your reference.   Manoj Manoj Kumar Maharana You cannot disable transparent update. You can detach

viewing TreeSet and TreeMap in the Explorer. Fixed detachment of entities by replacing proxy objects

to performance differences) when the EntityManager is closed or results are detached . In this case, LAZY

Our application has some complex entities. We do batch update(merge detached entity) every 2 minutes. We find the period significant IO costs these days, and disappeared when turn off the batch updating. 1.ObjectDB is in embedded mode. 2.ObjectDB version is 2.3.7 3.Database file size is nearly

with the whole C object, with all its parts, as a detached object. I know that I can express one level

are automatically detached at the end transaction. Yes, if A holds an older version of that object

method) it is filled automatically. Unless the Node object is detached , for example if the EntityManager

are detached . See also this forum threads: https://www.objectdb.com/issue/326 https://www.objectdb

. Read about detached entities in the manual  and also see the discussion on this issue  

. detach (sample); //just to be sure em.close(); emf.close(); System.out.println(sample.title

and starting Tomcat entity objects in the session will be detached . Thank you for this report. support Support

a detached entity object (e.g. after clear ). It doesn't seem to be related to the IDE that you use. support

to commit and open a new transaction). But this does not sound like a nice solution. We tried to detach ... two of the entity classes so I had a mix of attached and detached classes. Sorry for that. So I

Szurgot The exception is thrown during detachment of an object (at the end of commit). Apparently the specific detached object that causes the exception has no id (primary key) fields. ObjectDB

setting objectdb.temp.no- detach ! Info: Builder []: Created: com.greensoft.objectdb.test.mini.entity ... .GS4223.tgz if I set experimental 'objectdb.temp.no- detach ' true on startup, I get INSTEAD (or maybe

Added support for JTA and Java EE Containers ( issue #8 ). Fixed a bug in indexing entity objects. Fixed a bug in fixing broken references in ObjectDB Doctor. Fixed a bug in modifying enhanced  detached embedded objects. Fixed a spring transformer (LoadTimeWeaver) problem. Fixed a class

Improved the error message on exception during commit, reported in issue #2882 . Improved automatic schema evolution of enum fields. Fixed A NullPointException when using EntityManagerFactory with different class loaders. Fixed a missing call to @PostUpdate when object change is detached by 

Fixed Java Agent / Java EE / Spring enhancement bug. Fixed a bug in merging detached entity objects. Fixed unexpected  NullPointerException in client server mode. Fixed an exception in AVG query on non numeric values ( issue #107 ). Fixed a bug in handling JOIN queries with primary key fields.

the first level cache (by flush() and detach ()). But an array of bytes, any ObjectDB memory

change . Fixed a bug in indexing java.sql.Date fields during time / time zone change . Fixed a bug in  detachment of embedded objects ( if enabled ).

a NullPointerException on using a collection in a detached object ( issue #527 ). Fixed a bug of changing id type

I am frequently having an error when merging a detached object outside of a transaction. (Is this allowed? I am not trying to modify the object, just read data from it.) Here is a test case: package com.experiments; import javax.persistence.*; import java.util.HashMap; public class ErrorTest

Second thing after @FetchGroup I've found is read-only hint for EM. You can specify this hint to EM when executing query meaning that returned data will never be edited or persisted. My understanding of this is that each entity returned from query is in detached state as default state. query

Hello, I have two question at you. Are you provided JPA 2.1 annotation @NamedEntityGraph in next version ObjectDB 3.0? And do you know an easy possibility to get an entirely eager entity graph with all depended entities which we can use as a detached full accessible entity graph outside

Fixed a bug of  duplicating new objects during merge . Fixed a username/password issue in using EntityManagerFactory 's getMetamodel . Fixed a bug in detachment of hollow objects on close ( issue #799 ). Fixed a Doctor exception ( issue #796 ). Fixed a Doctor bug in checking byte[] arrays

of more than one class path root ( issue #554 ). Fixed a NullPointerException on detachment of some objects. Fixed Linux "Name or service not known" error on server stop.