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91-100 of 172 resultsRefreshOptimistic locking: prevent version increment on entity collection attribute is that the entity is detached between the calls, check this issue and the no-detach solution. > I have tried to clear the entity manager in ... clear detaches managed objects and could make things harder in this case | |
@OneToMany(fetch = FetchType.LAZY) list is always null objects are detached and lazy relationships cannot be used, if not already loaded before ... objectdb.temp.no-detach. Vladiator Vlad Myachikov Thank you! It works (as ... to the no-detach option then the same test case should work differently, depending if that option | |
Possible cause for "Enhancement of type ... is old and cannot be used" persistence of a very simple entity model) when I was using the experimental mode 'objectdb.temp.no-detach ... (at least older than objectdb-2.6.3_04), and only when I had 'objectdb.temp.no-detach' true. When I had 'objectdb.temp.no-detach' false, I got the same error that I reported at this new issue | |
JDOHelper.isDetached failure ?).execute(); TestClass first = list.get(0); TestClass detached = pm.detachCopy(first); System.out.println(JDOHelper.isDetached(detached)); pmf.close(); } With this as the persistent class: @PersistenceCapable(detachable | |
List of Enum Values in an entity is invoked in this tutorial on detached Guest instances, and in detach">detached objects only fields that have been loaded before detachment (e.g. defined as eager rather than lazy, or accessed) are available. One way | |
Updating existing persistence entries="/java/jpa/persistence/detach">detached object is modified, it has detach#explicit_merge">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 | |
JOD problems regarding detachCopy()-loading that object from the db 3-creating a detached copy 4-closing the connection 5-modifying the detached copy 6-re-opening the connection 7-saving the detached copy I get an "Attempt to reuse an existing primary key value" error. I | |
Is there any restriction when using fetch=FetchType.LAZY ? line: em.detach(this); Regards, -- On detach some unloaded fields ... yet, as detached objects cannot handle automatic loading on access. See | |
Accessing objects to make them available after EntityManager close?!/detach">detached, and in detached objects only fields that have already been loaded when the ... ">"objectdb.temp.no-detach" extension. support Support | |
Tracking changes to new collections (in enhancement mode) after flush.REFRESH, CascadeType.DETACH }) private ModelElementImpl element; @OneToMany (fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private HashMap<String, List ... , cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private ModelElementImpl element |