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1. Whats the advantage of load() vs get() in Hibernate?    stackoverflow.com

Can anyone tell me whats the advantage of load() vs get() in Hibernate ?

2. Hibernate: load vs get    stackoverflow.com

I know that this is a common question that was described a lot of times. But still I can't get some thing - what about performance? Which method is faster? Actually, I need ...

5. Expected speed from a load through Hibernate?    coderanch.com

Oh, we have been. It runs at about 7 (spreadsheet) rows per second on our local boxes and 1.9/sec on a VM which is the test server. Our users are rejecting the facility because it is too slow. I was trying to figure out what 'reasonable' means in this case. Basically, we didn't know when we should give up and try ...

6. WARN org.hibernate.engine.loading.LoadContexts    coderanch.com

2011-05-06 10:02:33,950 WARN [org.hibernate.engine.loading.LoadContexts] - > 2011-05-06 10:02:33,951 WARN [org.hibernate.engine.loading.LoadContexts] - > 2011-05-06 10:02:33,952 WARN [org.hibernate.engine.loading.LoadContexts] - > 2011-05-06 10:02:33,953 WARN [org.hibernate.engine.loading.LoadContexts] - > 2011-05-06 10:02:33,953 WARN [org.hibernate.engine.loading.LoadContexts] - > 2011-05-06 10:02:33,954 WARN [org.hibernate.engine.loading.LoadContexts] - >

7. why?I allways got:Unable to load org.zkoss.zkplus.hibernate.OpenSessionInViewListener    zkoss.org

in my zk.xml: Hibernate SessionFactory lifecycle org.zkoss.zkplus.hibernate.HibernateSessionFactoryListener Hibernate Open Session In View life-cycle org.zkoss.zkplus.hibernate.OpenSessionInViewListener Hibernate thread session context handler org.zkoss.zkplus.hibernate.HibernateSessionContextListener but it does not work. allways got: Unable to load a listenr, [SYS ...

8. Selective reference loading    forum.hibernate.org

9. VETO load event    forum.hibernate.org

Hi, I am trying to write some row level security implementation using a mix of Filters, Criteria and Events. The job cannot be done by any one layer due performance issues (Filters: subquery problem; Criteria: avoiding too many joins; Events: only for simple checks). For the last layer, Events, I have tried 'pre-load', 'post-load' and 'load' but I am not sure ...





10. how to manipulate explicit loading    forum.hibernate.org

i have a whole hibernate data model and much of it gets punched into a jIbx parsing system. because of that i had to make all of my linked classes explicit loading. problem is there are cases when i want a parent class to explicitly load one or more of its subclasses, but in other circumstances to ignore subclasses completely. how ...

11. many-to-one / one-to-many bidirectional - cannot load set    forum.hibernate.org

Hi, I've spent all the day searching for the mistake or some solution. Read all the available books/forums... Cannot understand what's happening. Here's the situation:. Mappings: Code: ...

12. HIbernate in production under heavy load    forum.hibernate.org

I have a similar situation and have found that I had very bad performance and had to re-engineer the queries around that. I am sure some sophisticated tuning is in order. The simple model of the connected network of objects in memory can have a lot of overhead. Lazy fetching is important. I found I resorted to some native SQL to ...

13. java.lang.NullPointerException at org.hibernate.load    forum.hibernate.org

hi my hibernate mapping is { call myGetdata(?,?) } and my main program is /* * ...

14. Jetty load spreading (24 core server)    forum.hibernate.org

We're using the Jetty servlet container. On the main server it has always run on only one of the servers cores. It can keep dooing that on the main server. But now we've invested in a new power server which will run heavy jobs. It has 12 cores and hyper-threading so the system sees 24 cores. The web application is a ...

15. WHEN I MAKE A LOAD I RECEIVE THIS MESSAGE ?    forum.hibernate.org

16. Can't Correctly load Dates    forum.hibernate.org

Hi... I have a project class with With 2 Calendar atributes. publishdate and deadline. I have mapped them like this: ------------------ When I run my test code... the Dates are not showing correctly; although thrumg phpMyAdmin (and MySqlfront) I see they have been saved correctly into the ...





17. Load after store    forum.hibernate.org

Hi, I am getting a problem loading objects with hibernate. I am using hibernate 2.1.1. In my application, each interface command has its own session. The session is started at the begin and closed at the end of the commnad. I am trying to so two commands: create and consult an object. In the first command, when I store the object ...

18. one-to-one load trouble. please help.    forum.hibernate.org

Hi, I have two entities associated one-to-one with no foreign key constraint. I have trouble with "cascaded" loading. The first time I run the following Test program, the cascaded load works fine. The second time onwards the cascaded load does not work. In the test program below, st2_loaded is not-null in the first run (which is what I expected) but in ...

19. get vs load    forum.hibernate.org

Sorry if this has been already answered, but I couldn't find anything searching on the forums (looking for "get" and "load" is too generic...). I don't understand the difference between loading an object using Session.load and using Session.get. What does it mean "assuming that the instance exists" in the "load" docs? What happens when the instance doesn't exist? Is there a ...

20. Hibernate load    forum.hibernate.org

Just a guess: Delimit the code with the transaction semantics as per the manual and try again. Let us know what the results are. Code: public Object load(Class c, Integer generatedId) throws Exception, ObjectNotFoundException { Session session = session = factory.openSession(); Transaction tx = null; try { ...

21. Can we get the loaded state?    forum.hibernate.org

We are putting our current application under Hibernate. In my old code I was having some complicated stuff allowing to keep what I called the original state of business objects, In fact it's a copy of my object right after it's loaded from the database. The object is then modified and in my business code I'm sometime comparing the initial and ...

22. Hibernate clustering, load balancing?    forum.hibernate.org

23. Loading large arrays    forum.hibernate.org

I've got an application where I need to load large (1/2 million elements) arrays of bytes. I'm currently using the primitive-array mapping, and that works just fine, but for some reason it's taking huge amounts of memory to load the array. (A 1/2 million element array in an object (1/2 MB in size, since they're all bytes) is requiring 96MB of ...

24. HibernateException Thrown - could not load:    forum.hibernate.org

I'm getting a HibernateException while trying to query my oracle database for my DataIdentifierGroup object. I've tried using regular jdbc and i'm able to query this table. I've tried several access methods, session.find(), session.get(), session.createCriteria(DataIdentifierGroup.class).list() and nothing seems to be working. I'm not sure what i'm doing wrong. Servlet Code: try { logger.info("Just About to call Hibernate Classes"); logger.info("Calling Configuration()"); Configuration ...

26. Performing the Load    forum.hibernate.org

here's what i mean: imagine parentA has several children: childA1, childA2 and so on. ParentB also has several children: childB1, childB2, childB3 and so on. What i want is: if i make a load of parentA's children, they show up like this: childA1 childA2 childA3 and so on But what i'm getting is: [childA1, childA2, childA3] with "[]" and commas too.... ...

27. get() / load()    forum.hibernate.org

hi, I am stuck with a annoying net.sf.hibernate.NonUniqueObjectException. Assume a entity 'Blueprint' that can have multible entities 'Relation' to it. Relation itself has two 'Blueprints' called 'LeftClass' and 'RightClass'. If have two Relations assigned two a 'Blueprint' that both have the same 'Blueprint' as 'RightClass', hibernate starts crying (actually I am near to crying, too) I know, I can't use a ...

28. One to Many Set won't load    forum.hibernate.org

I'm trying to access a set in a one to many relationship so that I can delete some child records from it. Unfortunately, no matter what I try I always get an empty set. I can call the method on the class to return the set of child items eg Set temp = investigation.getInvestigationQualityOutcomes(); and temp is populated but if I ...

29. get() and load() failed after evict()    forum.hibernate.org

After I evict() an object, both Session.get() and load() failed to get it back. This is the case regardless I have or haven't commited the connection after the save. Is that a bug or feature? [b]Hibernate version:[/b] 2.1 [code] session.save(myObj); session.connection().commit(); // Same problem regardless it is commited or not session.evict(myObj); session.get(myObj.getClass(), myObj.id ); // return null session.load(myObj.getClass(), myObj.id ); // ...

30. Component loading    forum.hibernate.org

Newbie Joined: Mon Apr 19, 2004 9:48 am Posts: 2 Location: Germany Hello, the following mapping works well with Hibernate 2.1.4. When using Hibernate 3 the addresses of the address book are not loaded. Thanks for any help. Hibernate version: 3.0a Mapping documents: Code:

33. CallableStatement for load?    forum.hibernate.org

Not at the moment. But look into making your custom persister to allow for custom read (load) operations. How about querying ? Will they also not allow HQL or similar to express querying ? At some point in H3 we will probably at least at callable support for createSQLQuery - patches are welcome ;)

34. Advantage of load() vs get()    forum.hibernate.org

Gayatri wrote: Hi Can anyone tell me whats the Advantage of load() vs get() ? Thanks, Gayatri This from the book Hiberante in Action. Good one read this.. ************************************** Retrieving objects by identifier The following Hibernate code snippet retrieves a User object from the database: User user = (User) session.get(User.class, userID); The get() method is special because the identifier uniquely identifies ...

35. should I use .createCriteria or .load for...?    forum.hibernate.org

36. Trying to understand loading behavior    forum.hibernate.org

Senior Joined: Tue Jun 21, 2005 10:18 am Posts: 135 Location: South Carolina, USA I am trying to understand the behavior of hibernate (yep, I'm a newbie), and I'm trying to understand the following situation. I have a class (Person) that has a one to many association with another class (Address). I have turned off lazy loading and am watching the ...

37. How to load a particular config if there are two in classpat    forum.hibernate.org

Dear fellow programmers! I've tried to find the answer for this question in FAQs and Forum, bud haven't succeed. Probably someone knows the answer and will help me... Problem details: I have a webapp for tomcat-5.5.9, it includes jar file with hibernate.properties in the root of the classpath. Hence, when hibernate is being configured on tomcat startap, it takes configuration parameters ...

38. Avoiding Loading Configuration twice    forum.hibernate.org

dennisbyrne wrote: Our shop has two Hibernate utilities. Each one has a static initialization block that loads all the mapping data and creates a session factory. I am using both of the utilities, and want to avoid loading the config intormation twice. How to I check for this programmatically? I can think of moving the static sessionfactory and its initialization into ...

39. many-to-one set not fully loaded    forum.hibernate.org

I'm doing a simple call to myObject.getThings() and the resulting Set has only 954 items in it whereas it should contain 1600. If I run the query that is printed in the log I do get the 1600. Even adding distinct still gives 1600. I tried stepping through the code and after the query runs and is processed in Loader.doQuery() the ...

40. 3.1rc returns porxies on load by default?    forum.hibernate.org

Hibernate version: 3.1rc2 For some reason, when I try to load (session.load) an object by default hibernate creates a proxy for h. Is there a way to dissable the default behavior to do non-proxy (throw an exception instead) other than putting @Proxy(lazy=false) for every class? It worked but it is a lot of busy work to go thru each class and ...

41. Hydrate fails storing loaded attribs    forum.hibernate.org

(hibernate 3.0.5) Does anyone know under what conditions a 1-M attribute can be dereferenced and lazy-loaded from the database, but then all its attributes are zero and empty because the type is $$EnhancerByCGLIB$2e56093c? The 1-M collection containing CGLIB proxy elements has all empty and zero business attributes, but all good CGLIB attributes: a real session, a CGLIB$BOUND = true, and a ...

42. Is this a bug on load?    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.1.3 Mapping documents:

43. Illegal load factor: 0.75 during asynchronise processing    forum.hibernate.org

Hi, We have an application that uses JMS/MDB to send messages, processes these messages and persists derived (from messages) Hibernate-objects. Running a heavy load synchronise works fine but now that we use JMS/MDB on JBoss 4.0.2 and we get the following errors which occurs now and again: Hibernate version: 3.0.5 java.lang.IllegalArgumentException: Illegal load factor: 0.75 at java.util.HashMap.(HashMap.java:168) at java.util.HashMap.(HashMap.java:190) at org.hibernate.engine.PersistenceContext.(PersistenceContext.java:171) ...

44. Instant Loading    forum.hibernate.org

45. Load Balancing    forum.hibernate.org

Hi, I want to use Hibernate for my Portal application. I wish to know about the load balancing capabilities of Hibernate before hand. When the number of users accessing the system increases beyond a certain limit, will it create performance issues? What are the performance tuning steps to be followed? Please send your valuable comments on this along with links to ...

46. Infinite Loop when loading one-to-many set    forum.hibernate.org

Hi all, I try to load a set defined as a one-to-many relationship between two pajos ending up in an infinite loop as it seems when I make it run. The logs don't give anything. Here is the configuration : val_typo_oid_sequence ...

47. StackOverflowError while loading Associted Set    forum.hibernate.org

Hibernate version: 3.1 [b]Mapping documents: NonAssessmentDimension.hbm.xml ---------------------------------------- NonAssessmentQuestionnaire.hbm.xml --------------------------------------------- [b]Full stack trace of any exception that occurs: 2007-04-16 15:02:22,906 DEBUG [org.hibernate.engine.CollectionLoadContext] creating collection wrapper:[genericquestionnaire.NonAssessmentDimension.nonAssessmentQuestion#642] 2007-04-16 15:02:22,906 DEBUG [org.hibernate.engine.CollectionLoadContext] creating collection wrapper:[genericquestionnaire.NonAssessmentDimension.securityDomainPersons#642] 2007-04-16 15:02:22,906 DEBUG [org.hibernate.engine.CollectionLoadContext] creating collection wrapper:[genericquestionnaire.NonAssessmentDimension.securityDomainNonAssessmentQuestionnaires#642] 2007-04-16 15:02:22,906 DEBUG [org.hibernate.engine.TwoPhaseLoad] done materializing ...

48. Application loads but can't open hibernatesession ??    forum.hibernate.org

com.mysql.jdbc.Driver jdbc:mysql://localhost:3306/db user password hibernate.cfg.xml org.hibernate.cfg.AnnotationConfiguration org.hibernate.dialect.MySQLDialect ...

49. load not working(BUG??)    forum.hibernate.org

50. Event for configuration loading?    forum.hibernate.org

Is there a way to respond to Hibernate configuration loading with callbacks or event listeners? I would like to be notified when each class is loaded so I can do some extra work required for the Entity that was just loaded (creating dynamic maps that mirror a given Entity - something needed by the project I am working on).

51. how to only load variables declared to be bind    forum.hibernate.org

Hibernate version: 3.2 Hi I am using hibernate 3.2 to map my objects with my oracle database and I am using annotations. my question is : Can I use in my object, variable that does not bind a column ? let me explain a bit :) I have an object Actrivity which binds an oracle table. This table has 2 fields: ...

52. HibernateUtil loading old values    forum.hibernate.org

Hi I'm having a problem where Hibernate is loading old values into an object that I'm getting from the DB. This problem happens after my webapp has modified a few things... It baffles me as to where the problem would be coming from, because any change I make are committed to the DB appropriately whenever I make the changes in the ...

53. [Performances] Hibernate configuration loading    forum.hibernate.org

Hi all, As it is said in the subject, I'm having some performances problems with the Hibernate configuration loading (Mapping , database configuration, ...) My mapping files (hbm) are quite complex so the configuration loading takes about 25 secondes. This loading time is quite acceptable when I'm loading loads of records but my problem is that I'm using Hibernate for occasional ...

54. load() and get() behaviour    forum.hibernate.org

Greetings, I have a question on polymorphic criteria in Hibernate. Say, we have class hierarchy of three classes: Code: abstract class ModelObject {} class Concrete1 extends ModelObject{} class Concrete2 extends ModelObject{} And we map those guys like this: Code:

55. Could not load JPA Configuration    forum.hibernate.org

Hii I am trying to do reverse engineering to generate java code I am using MYSQL5(INNODB) as DB.I configured eclipse to generate java code for core and annotation option in hibernate configuration console using eclipse.But when i tried for JPA option in hibernate configuration console using eclipse, Its throwing error shown below org.hibernate.console.HibernateConsoleRuntimeException: Could not load JPA Configuration Could not load ...

56. Could not load JPA Configuration    forum.hibernate.org

Hii I am trying to do reverse engineering to generate java code I am using MYSQL5(INNODB) as DB.I configured eclipse to generate java code for core and annotation option in hibernate configuration console using eclipse.But when i tried for JPA option in hibernate configuration console using eclipse, Its throwing error shown below org.hibernate.console.HibernateConsoleRuntimeException: Could not load JPA Configuration Could not load ...

58. Why Hibernate does load ?    forum.hibernate.org

Hibernate version: 3.0 Hi, I'm newbie in Hibernet. I hope someone can help. (Sory by my English). I have 2 hbm: This is mappping from ClassA ---------------------------------- sec_problema_episodio This is mappping ClassB -----------------------------

59. Loading huge tablesi    forum.hibernate.org

Hello, I am looking for some suggestions about loading huge tables from DB. It's about a CRM applications and once at 24 hours it must generate some reports. The problem is that at some point a table with +2.000.000 rows, 60 columns and around 10 associations (which also are huge tables) must be loaded into a Map. Another problem is ...

60. Parametric load on demand    forum.hibernate.org

Hi, My problem may be a new idea, but here's what I'd like to do. Is there any way to do some "parametric load on demand". In fact, I'd like to annotate some fields (that can be huge) with something like public class Example { @LoadWhen(param=[1,2]) private Object field1; @LoadWhen(param=[1]) private Object field2; @LoadWhen(param=[2]) private Object field3; ... } And when ...

61. Parametric load on demand    forum.hibernate.org

Hi, My problem may be a new idea, but here's what I'd like to do. Is there any way to do some "parametric load on demand". In fact, I'd like to annotate some fields (that can be huge) with something like public class Example { @LoadWhen(param=[1,2]) private Object field1; @LoadWhen(param=[1]) private Object field2; @LoadWhen(param=[2]) private Object field3; ... } And when ...

62. trouble loading many to many    forum.hibernate.org

Author Message pr0grammer Post subject: trouble loading many to many Posted: Thu Feb 26, 2009 4:08 pm Newbie Joined: Fri Sep 26, 2008 4:45 am Posts: 17 Hi, I can't figure out why once I'm been trying to load a many to many relation (the datas are correctly stored into the database) but when I access the collection the ...

63. Selective reference loading    forum.hibernate.org

64. Hibernate loading incorrect sublcass - please help    forum.hibernate.org

Author Message mystic Post subject: Hibernate loading incorrect sublcass - please help Posted: Fri Jun 05, 2009 2:22 am Regular Joined: Tue May 12, 2009 6:08 am Posts: 92 Hi, I'm getting the following exception, where Hibernate is trying to load a subclass of one type, but the object being returned is another type. The type that Hibernate is ...

65. Could not load com.mchange.v2.resourcepool.BasicResourcePool    forum.hibernate.org

Hi I periodically receive this exception in tomcat 6.0 with hibernate 3.3 and c3p0 as connection pooling library... can you point me to docs to further investigate the problem? thanx the stack trace is : 6-lug-2009 9.08.31 org.apache.catalina.loader.WebappClassLoader loadClass INFO: Illegal access: this web application instance has been stopped already. Could not load com.mchange.v2.resourcepool.BasicResourcePool$1DestroyResourceTask. The eventual following stack trace is caused ...

66. Best way to load configuration settings    forum.hibernate.org