Jpa entitymanager merge not updating

Schema Export; public class Person Test { public static void main(String args[]) { Annotation Configuration c = new Annotation Configuration(); Annotated Class(Koushks10.satyajeet.class); c.configure("xml"); new Schema Export(c).create(true, true); Session Factory sf = c.build Session Factory(); /* Transient state to persistent state*/ Session s = Session(); s.begin Transaction(); satyajeet ref=new satyajeet(); Name("satyajeet"); Email("[email protected]"); s.save(ref); ...If I have a detached entity and I do a merge() for various reasons Hibernate does a SELECT against the database.I've an entity that has a large number of relationships, where some of them have also several relationships with other entities. The spec doesn't say that, which is the problem I have with persist().If my understanding of the tutorials is right, I should use session.update() only if I am completely sure that the ... persist() also guarantees that it will not execute an ...Hi, I'm stumped right now as to why my database table isn't being updated after I set one of the properties and then do a merge(). I have a business object model and an application model and I want ... I found particular problem while working with attachdirty() stuff.Here is what I have: Profile profile = profile Profile(profile Id); //Set the new image name Image(file Name); profile Store.merge Profile(profile); this is my hibernate file: public void merge Profile(Profile profile) { try { println("My value was passed!!! My links is a collection , which is being obtained from a form bean and when i process my form bean(service method defined below) and say attachdirty(*); in attach dirty i am using saveor Update() this saveorupdate() is causing merging and of pervious entries and my current form ...

The user is able to add or remove tags of an exhibit. I've searched the Hibernate docs and forum for a while without finding an answer. When merge(Object o) is called and an error is encountered an exception is immediately thrown, but if I use for example update(Object o) the exception doesn't get thrown until a flush is ... Applogies if this question have already been asked.So, as outlined in : Automatic State Detection I understand that during a merge, the given instance is not reattached to the persistence context, but is instead returned by the merge operation.In the context of an update to an existing entity rather than persisting a new entity, I can understand this rational.

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