1. Is it possible to persist a DSL Java object with JPA? stackoverflow.comI have a DSL Java object, i.e. a POJO which returns |
2. How to persist a complicated, nested object with JPA stackoverflow.comI'm working on a project which parses information with a NLP library from classified ads on internet forums. After the processing I have ForSaleItem instances and all sorts of details like ... |
3. Hibernate: Persisting Objects stackoverflow.comI am trying to create new Event objects to be persisted in the database via Hibernate. The below code successfully creates one event, but when session.save(evt) is called, I get a ... |
4. Persisting 3rd party objects with JPA stackoverflow.comIn my current project I am using a 3rd party library which has no JPA annotations. Can I persist objects from that library using JPA and external mappings? Can you recommend a good ... |
5. hibernate save object stackoverflow.comFor an application, I am using Struts2, hibernate and spring for injection. Any time I save an object to DB, I HAVE to do inside the Serivces class(session injected here). In ... |
6. JPA persisting objects without calling persist stackoverflow.comI have an entity class Document and another one called Space. The relation: |
7. Persist Object from a framework using hibernate stackoverflow.comI'm considering to persist a certain object from a library/toolkit I use. There are following issues: The object has an id field which is a string. How can i store generated numeric ... |
8. Hibernate Dirty Object usage stackoverflow.comI have a Hibernate Entity in my code. i would fetch that and based on the value of one of the properties ,say "isProcessed" , go on and :
|
9. Hibernate good practice when detaching Objects stackoverflow.comAfter I construct a hibernate query, my code goes as follows: |
10. Hibernate does not save my newly created objects stackoverflow.comI have a pretty simple tables structure: table Products with product_id and name attributes. table Barcodes with product_id (foreign key to the Products table) and code attributes. In my code I create new instance ... |
11. Hibernate persistent object behavior stackoverflow.comI was trying to learn about different states of objects in Hibernate. I tried the following and could not find an explanation to the behavior shown. Can anyone help? Here is what ... |
12. Hibernate update when Object isn't modified coderanch.comHi Ranchers Hibernate will not issue update statement when called update() when the object is not modified. Means that when you dont want to perform an update on an object , if the object isnt modified . Is this behaviour default or do i need to set any parameters for this ?? Please Help. |
13. Hibernate Updating a Object coderanch.comOptimistic locking and updating only objects that are changed are two different things. Updating objects: As long as an object is "connected" to the hibernate session changes are automatically detected and hibernate writes these changes back to database when the transaction is commited. Optimistic locking: If you declare a column for versioning purposes hibernate increments this value each time it updates ... |
14. saving big objects with hibernate coderanch.com |
15. How to persist an object in Hibernate coderanch.comFirst you need to tell hibernate the DB details that you would be persisting the object into. So obviously you need to write the configuration details in xml. You specify the driver, username, password and other details so that hibernate call talk to the DB. The next step would be to write an xml mapping file for each of your persistent ... |
16. Cannot update object - Hibernate coderanch.comHello Friends! Im using hibernate in my project, and I have a problem while trying to update a property of the object. My object class is like this private Integer perfilid; private String nombre; privateSet areas; Whit the setters and getters. And the hbm is like this |
17. How tho check if an object is dirty? forum.hibernate.orgHi, as far as I know the version attribute is only altered during the save process. So as long as no other user or app changes the object in the meantime, the version attribute of the modified and the newly loaded version will be still the same. So how can I check if it has changed, without checking every property? Can ... |
18. stragety for saving objects forum.hibernate.orgHi. I apologize if that's a stupid question, but I have an application with entity classes that contain a synthetic key for hibernate (a Long), and a natural keys (which is used in the equals() implementation). I have have a scenario (which I guess is not uncommon), where I have a set of objects, for which I know the natural keys ... |
19. How to persist an object in Hibernate forum.hibernate.org |
20. Saving object causes PropertyValueException forum.hibernate.orgNewbie Joined: Mon Jan 18, 2010 4:32 pm Posts: 1 Hibernate version: 3.3.1.GA Spring 3.0 Hey guys, I'm a student trying to create a web application for my coursework, but when saving the project object I keep getting: Error Code: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref; nested exception is org.hibernate.PropertyValueException: ... |
21. a library for detecting stale objects *before* update forum.hibernate.org |
22. Update Detatched Object But Ignore nulls forum.hibernate.orgHere's my scenario: 1) Class A is JPA annotated and configured as a persistable class in Hibernate 2) In my flow, I have an instance of A which was created outside Hibernate. Its NON-NULL fields represent fields that need to be updated. 3) I want to update A's values in the database but I want to ignore null values of A ... |
23. Removing Object from Set forum.hibernate.orgCan someone give me a hint why the line "community.getAccounts().remove(acc);" does not remove the object from the set? thx Code: @Test public void testTest(){ String name = "XYZ"; String player = "Mario"; ... |
24. Code/Function for Updating All Objects at once forum.hibernate.orgHello everybody, Can you please help me following: I have got 50 records (Objects) from Table. I need to update 25 of them and rest will be unchanged. I need to persist then All these 50 records again. Should I call update method for each object separately after I have got a List by Query.list() function and I am iterating through ... |
25. [Solved] Any easy way to update an object from another? forum.hibernate.org |
26. Update of an object containing Sets of objects. forum.hibernate.orgThat is a little easier said than done. It is our practice to always make a copy of a collection passed in from a setter or out through a getter. I don't have TOO much of a problem doing this for the setter, since our setters for collections are private (only exist for the persistence implementation). But I have a hard ... |
27. Determining before-hand if an object has been updated forum.hibernate.orgDoes Hibernate provide an API call for determining if a persistable object is dirty? I can always check for the id field being null for the new objects that are created before being written on the database, but I'd like to know if setXXX has been called for any field on objects loaded from the database. I have a list of ... |
28. Unable to save objects under certian circumstances forum.hibernate.orgHello, I have several objects that work fine in my test cases but are failing to work in my application. Here is the stack trace of the error I get when I save a GenericDrug Caused by: net.sf.hibernate.HibernateException: Another object was associated with this id (the object with the given id was already loaded): [com.atwoodsoft.data.Language#0] at net.sf.hibernate.impl.SessionImpl.doUpdate(SessionImpl.java:1294) at net.sf.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:1218) at net.sf.hibernate.engine.Cascades$3.cascade(Cascades.java:81) ... |
29. my objects are not getting persisted forum.hibernate.orgNewbie Joined: Thu Sep 25, 2003 11:04 am Posts: 6 Location: Charleston, SC I'm having trouble getting hibernate to persist my objects. I have hunted through the faq's and some forums and have not seen anything similar to this. My setup is as follows. I'm using hibernate withing a stateless session bean using CMT with Weblogic 8.1. I have methods createObject, ... |
30. update saved object with a new created one forum.hibernate.orgHi everyone, I'd like to update an entity existing in the DataBase with a newly created object: Suppose cat (ID=1234) exist in DB: Cat cat = new Cat(); cat.setId("1234"); cat.setName("bob"); sess.save(cat); Hibernate throw an exception because cat already exist. But what I would like would be that hibernate updates the object. Any suggestion? Thanks, |
31. Hibernate doesn't save dependend objects forum.hibernate.orgI practice using Hibernate with the example of the site http://www7b.software.ibm.com/dmdd/libr ... hogal.html When I save a department, the employees are not saved automatically. Why not? Used Hibernate v. 2.0.3 and MySQL 4.0.15. Here is all the code so that you can understand it: Code: package com.ibm.hibernate_article; import java.sql.SQLException; import java.util.List; import net.sf.hibernate.HibernateException; import net.sf.hibernate.Session; import net.sf.hibernate.SessionFactory; import net.sf.hibernate.cfg.Configuration; public class ... |
32. Lyfecycle and update other objects forum.hibernate.orgI still haven't tried this but I want to this. you create the interceptor the same place where you open the session so you could associate the session to your interceptor if you need the same session. But I don't know if you can use the session who calls the interceptor in this method of the interceptor. I want to check ... |
33. How to detect a dirty object? forum.hibernate.orgThat makes sense.. So, if I load up and object, and then do multiple flushes, I only know post the most recent flush whether the object is dirty or not. So, what I could do is something icky like make a copy of the object and then using something compare all the properties to see what changes. However, since I only ... |
34. isUnsaved return FALSE... should my object be updated? forum.hibernate.orgHi, I'm trying to solve some of my problems when updating composite-id'ed objects... I've implemented my little interceptor (madmax), which just test a value to decide if the object isUnsaved or not. I get to the isUnsaved, and it seems to work fine, returning false when the object has been saved before... but...seems like my saveOrUpdate is not doing anything with ... |
35. one-to-one save an already saved object forum.hibernate.orgI'm having some trouble whith Hibernate 2.0.3 Here is the case. I have a mono-directional one-to-one relationship with a foreign generator. I save the non mapped side object in one session, close it Then I save the mapped side object and hibernate recreate a new non-mapped side object. I can't understand why. Here are some materials Code: session = sf.openSession(); Transaction ... |
36. Saving a vector of object forum.hibernate.orgHi, I have read the "Collection" chapter in hibernate doc. And I still dont get how to save a vector / list of objects into a table. OKay basically I have this table, this is just a mock SQL create statement to show how the table look like so the SQL statement might not work Create table address ( ADDRESS_ID BIGINT ... |
37. how to save object economically.. forum.hibernate.orgHi, i'm using hibernate on a web application and not happy with the procedure i'm following to save a object, the app is about persons and their addresses : - when creating a new address, from the user request i get the data. Also i get a string representing the id of the person owning that address. - in order to ... |
38. objects arent updated forum.hibernate.org |
39. Factory for persistent object creation? forum.hibernate.org |
40. How to determine if the particular object is dirty ? forum.hibernate.orgThis can be accomplished via the Interceptor.onFlushDirty() method. When the session is being flushed, this will get called for each object that Hibernate found to be dirty within the bound of the session. There is not currently a way to ask a Hibernate Session if it considers a particular object instance dirty through the public APIs. If you really really really ... |
41. Wiki page "The History Of Object Persistence" Miss forum.hibernate.org |
42. Save base object ? forum.hibernate.org |
43. How to update a persistant object with a new object forum.hibernate.org |
44. Hibernate won't persist my object forum.hibernate.orgNewbie Joined: Tue May 04, 2004 6:34 pm Posts: 5 I'm trying to write a test application that simply persists and object to the database through the hibernate framework but it's currently not going into the database. By turning on the verbose debugging I see that Hibernate correctly determines that it's a new object and generates the primary key for it ... |
45. Automatic save for the referenced object forum.hibernate.orgHI Suppose I have two objects, A and B with a one-to-many mapping between them. So, I'd have the HBM mapping as: Code: |
46. how to persist object containing org.dom4j.Document forum.hibernate.orgWhat is the easiest way to persist an object containing a org.dom4j.Document as a field? What I have been doing so far is writing a table for every class I want to persist, but they were all classes I created. To make it concrete, suppose I want to persist the following: Code: public class DocumentWrapper { String ... |
47. Update of many objects forum.hibernate.org |
48. traking object updates forum.hibernate.orgHi, I have an application that synchronizes a set of objects between a server DB and mobile PDA DBs. I use hibernate for persistency. I need to implement some way of tagging an object with a unique 'stamp' on every change(database update) in order to be able to detect which objects must I send to the PDA. What is the best ... |
49. 1-to-1 not saving dependent object changes. forum.hibernate.org |
50. Persisted object evolution forum.hibernate.orgI migrate a db1 structure to a db2 structure : MyObject table before : +--------+--------+ | fieldA | fieldB | +--------+--------+ | test | 3.14 | MyObject table after : +--------+--------+--------+ | fieldA | fieldB | fieldC | +--------+--------+--------+ | test | 3 | null | |
51. when "update"ing an object, it tries to remove its forum.hibernate.orgI have an object with an array inside (1 to many). I read the object from the DB, close my session, open another session, attach it (either with lock or update) and I get exceptions or it tries to disconnect the array items from the object. I discussed how web sessions should be handled, and was convinced that the Hibernate session ... |
52. Dependent Object not being saved forum.hibernate.orgBeginner Joined: Wed May 12, 2004 2:52 pm Posts: 36 Hibernate version: 2.1.4 Mapping documents: Code: |
53. Save an object in an object forum.hibernate.orgHi, I have an Object in which is an other one. When i add the child to the parent, i have to flushing the child before saving the parent. How cann I save the child when i save the parent? hier an example: Parent pa=new Parent(); pa. add(new Child()); pa.save(); -> here comes the error message net.sf.hibernate.TransientObjectException: object references an unsaved ... |
54. Updating Objects forum.hibernate.orgHi , I wanted to know if there is a way of updating particular attributes of an object which is identified by a particular identifier. The scenario is that i have some of the attribute values (that will replace the existing ones) of an object and its identifier . I dont want to do session.get() or session.load() and update the object. ... |
55. using hibernate to populate a non-persistent object forum.hibernate.orgSession.createSQLQuery requires that the returned object be of a persistent class. is there a way of running an sql so that hibernate populates a regular bean (meaning, unknown to hibernate) with the result set values? for example, say i have a table foo: i want to run this: select count(foo.type), foo.type from foo group by foo.type; now, i want to use ... |
56. Prevent unnecessary updates on objects forum.hibernate.orgHibernate version:2.1.4 I have hibernate mappings as follows: |
57. updating object on save/update forum.hibernate.orgHi I'd like to update objects before they are saved or updated. I have to create/update tables from a legacy database that have columns for the date/time of the last update (every table); so I'd like to do that in a single point. As I'm using hibernate3-beta1, what's the best way to do that? I've tryed to do that: I created ... |
58. I can't make an object persisted forum.hibernate.orgHello all, I tryng to persist two objects. The first one, is ValeTransporteSP and will persist the table VALE_TRANSPORTE_SP, the primary key is NUM_SEQ_REQUISICAO column and second one is ValeTransporteSPQTD and the table is VALE_TRANSPORTE_SP_QTD it's primary key are NUM_SEQ_REQUISICAO and COD_CONDUCAO columns. When I call de save method the error below is generated. The idea is when I persist the ... |
59. Dirty objects being represented forum.hibernate.orgHibernate version: 2.0 I am hitting a serious problem with Hibernate, whereby old data reappears in a table. I am using Struts together with Hibernate with JSPs in a JBoss environment. The bug is fairly easily reproduced. Some data from a table is displayed in a table and the user can edit it. The changes are submitted and one can see ... |
60. Updating persistent Object which contains an updated Collect forum.hibernate.orgHello, I#ve got following problem: 1. I'm loading an persistent object from my MySQL Database. This object contains a set of other objects. (These objects are found by a many-to-many association to another table) 2. During my application I add some more objects to this set. So far so good 3. Now I want to update the main-object in that way, ... |
61. Using AspectJ to trace the Persistent Object forum.hibernate.orgMy application works fine until I am trying to add some logging using AspectJ for the persistent object. (So I know my mappings are correct.) The pointcut monitors every method(setter/getter) in the persistent object. I compiled the code with AspectJ compiler, and deployed to Tomcat, I got org.hibernate.PropertyAccessException: Exception occurred inside setter of gov.nih.nci.cabio.Gene.id(my persistent object). The SQL is generated before ... |
62. Good usage to update an object forum.hibernate.orgHibernate version: Hibernate 3.0 beta3 What the good way to do that (i just wrote the logic of my business) : Code: open hibernate session while true component = read data from a stream storedComponent = query to check if the read component already exists if component is new session.save(component) ... |
63. Object not persisting forum.hibernate.orgHi I have hibernate making all the right noises in persisting my object, I am running a junit test. But it is not persisting the object, so I added some transactional properties around my bean using the org.springframework.orm.hibernate.HibernateTransactionManager and using a 'Target' but I cannot bind to the Target, and if I bind to the offenceDAO, it does not persist... My ... |
64. Changes in transcient Object not persisted forum.hibernate.orgName and version of the database you are using: mySql Hallo! I started working with hibernate and encounter the following problem: One of my Objects is modfied but the new value is not persisted by the framework when I call s.update(). In the DB there's no change to the value. Can anyone give me some hints? What are possible reasons? Thanks ... |
65. Persist Only Explicitly Saved/Updated Objects forum.hibernate.orgHello all, The way Hibernate works generally is that all objects returned by the Hibernate engine are added to the Session cache and when flush is called at the end of the session any dirty objects are automatically persisted. This is a great feature of Hibernate, but for my application it is not desireable. Basically, I am using my persistent entity ... |
66. save immutable object forum.hibernate.org |
67. Tran rolled back but Hibernate thinks objects were persisted forum.hibernate.orgI attempt to persist 3 new objects (i.e. transient ones that do not yet exist in the database) to the database in a single transaction. The first 2 inserts are OK, but the third insert throws an exception (I put a CallbackException into the Interceptor to do this). When the transaction rolls back none of the records exist in the database, ... |
68. Partially populating Persistent Objects forum.hibernate.orgHello, I am working on a web based application and we are considering Hibernate as our O/R mapping tool. I am very new to hibernate, having only gone through a couple of tutorials. Different pages in our application display different columns from the same tables. I was wondering if there is a way to obtain a partially populated persistent object with ... |
69. can save childset on saving a object by object.setSetX(chi forum.hibernate.orgcan save childset on saving a object by object.setSetXXX(childset) public void testSave() { SaveAccessRuleTemplateView model = new SaveAccessRuleTemplateView(); model.setTitle("hhhhhhhhh"); model.setEnabled(Boolean.TRUE); String tacheArray[] = new String[1]; tacheArray[0] = "ROLE_XFILE"; model.setTache(tacheArray); AccessRuleTemplate template = new AccessRuleTemplate(); template.setTitle(model.getTitle()); template.setNote(model.getNote()); if ((model.getEnabled() == null) || (!model.getEnabled().booleanValue())) { template.setEnabled(Boolean.FALSE); } else { template.setEnabled(Boolean.TRUE); } //Set taches = new Set(); //Set taches = new net.sf.hibernate.collection.Set(); Set taches ... |
70. Get Object tree using Hibernate but only update some objects forum.hibernate.orgHi, I have an object and related hibernate mapping file, with lots of sets (Lot of association to other tables). There is generic search page in our requirement and so when we search, we load the master table/Object with all the related tables/objects data. From this search page, I do to my functionality and my question is that, even though I ... |
71. Do I have to save nested objects? forum.hibernate.orgI'm sure I shouldn't be trying to do this late at night, and should wait for the clarity of daylight, but anyway... I'm using Hibernate with Struts in a web application. I have an Order class which contains a Customer object as a property. In my app, I gather the details of the Order on an HTML form, which is then ... |
72. About saving info with an Hibernate Object forum.hibernate.orgHibernate version: 2.1.4 Hello, what I'm trying to do is the following: I'm working with servlets, JSP and Hibernate. I have a menu that all options redirects to the same servlet, with the difference that a parameter is sended depending the option, and this servlet takes some info depending of the option selected and the servlet redirects to a JSP that ... |
73. Catch dirty sub-objects and persist as them new objects forum.hibernate.orgThere are oodles of people with this simple scenario: Take an object out of the database and pass it to a client. The client edits some of the object's children and then passes the whole thing back to the server for saving. Hibernate makes this operation easy. In my case though I don't want changed sub-objects to be updated in place ... |
74. Hibernate Exceptionw hen updating objects forum.hibernate.orgBeginner Joined: Thu Apr 29, 2004 4:31 am Posts: 42 Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 2.1 Mapping documents: |
75. Assertion failure occured with Hibernate 3 saving objects forum.hibernate.orgMy problem is the exception below. Hibernate version: 3.0.5 Mapping documents: |
76. persisted object doubt forum.hibernate.orgwell, I was reading about Interceptor Interface, but, as the documentation said, I can't interact with se session. Some validation need to interact with the session for searching for uniqueness of a property in some cases. Too bad for me ;( I can't find a way to know if an object is being to be save or update to execute the ... |
77. Update object enhanced by CGLib forum.hibernate.orgIn our project , we use CGLib to enhance the domain object for some reason. When I update the objects that was enhanced by CGLib, I met some exception: net.sf.hibernate.MappingException: No persister for: omega.domain.order.PchsOrder$$EnhancerByCGLIB$$d4c727b3 at net.sf.hibernate.impl.SessionFactoryImpl.getPersister(SessionFactoryImpl.java:347) at net.sf.hibernate.impl.SessionImpl.getClassPersister(SessionImpl.java:2690) at net.sf.hibernate.impl.SessionImpl.getPersister(SessionImpl.java:2697) at net.sf.hibernate.impl.SessionImpl.update(SessionImpl.java:1338) at org.springframework.orm.hibernate.HibernateTemplate$14.doInHibernate(HibernateTemplate.java:511) at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:312) at org.springframework.orm.hibernate.HibernateTemplate.update(HibernateTemplate.java:508) at omega.framework.dao.hibernate.UpdateCommand.command(UpdateCommand.java:31) at omega.framework.dao.hibernate.PersistenceCommand.execute(PersistenceCommand.java:28) at omega.framework.dao.hibernate.DAOFactoryHibernateImpl$ManagerDelegate.invoke(DAOFactoryHibernateImpl.java:206) at $Proxy0.update(Unknown Source) at omega.solution.service.order.PchsOrderService$ApprovePchsOrder.execute(PchsOrderService.java:297) at omega.framework.service.engine.CommandEngine.serviceInvoke(CommandEngine.java:49) ... |
78. HELP: saving related objects forum.hibernate.org |
79. Detecting changed persistent objects forum.hibernate.orgHi, This thing is beginning to get on my nerves. I'm using Hibernate 2.1.4 and all I'd like to do is to detect when a persistent object has been modified (I don't even need the exact changes). Seems like a straightforward thing, using Interceptor's onFlushDirty method, but it has a drawback that it's not called when changes are made to a ... |
80. How to prevent an object from updating without evicting it? forum.hibernate.orgHibernate 3.0.3 I have a web app upon which I'm using the Long Session pattern. I load an object foo which has many associated, lazy connections. Subsequently, the web framework I'm working with sets a number of fields in foo. Since foo is still associated with a session, Hibernate will write through these updates the next time the session flushes. The ... |
81. How to disable automatic update of dirty objects? forum.hibernate.org |
82. how to save an object... forum.hibernate.org |
83. Could not save object forum.hibernate.orgnet.sf.hibernate.exception.SQLGrammarException: Could not save object at net.sf.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:59) at net.sf.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:30) at net.sf.hibernate.impl.SessionImpl.convert(SessionImpl.java:4110) at net.sf.hibernate.impl.SessionImpl.saveWithGeneratedIdentifier(SessionImpl.java:792) at net.sf.hibernate.impl.SessionImpl.save(SessionImpl.java:747) at site.bean.MemberBean.saveMember(MemberBean.java:24) at site.action.Register.execute(Register.java:64) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415) at javax.servlet.http.HttpServlet.service(HttpServlet.java:709) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Unknown Source) Caused ... |
84. Persistent object forum.hibernate.orgPersistent means that the object (a Java object) will outlive the life of the virtual machine in which it was created. You can save it and then retrieve it later and it should contain the same information as before. How Hibernate accomplishes this and what yu need to do to make it work for your application is a BIG topic. You ... |
85. Saving or updating an object forum.hibernate.orgHey CollinL and thanks for your reply! The problem is that I obtain the Person objects through a service. I go ahead and save them (since its the first time I do this there is no problem!). Now, the second time I ask for the Person objects some of them could already be in my database therefore creating the problem I ... |
86. how to save objects that contain other saved objects forum.hibernate.orghi, I am having some problem saving an object that contains an object that is already saved in the database. e.g. I have a class A that has a Code. These codes are entered earlier and whenever an object of type A is made, an object of type Code is assigned to it. @Entity(access=AccessType.FIELD) public class A { @OneToOne(fetch=FetchType.EAGER, cascade={CascadeType.MERGE, CascadeType.PERSIST})}) ... |
87. Object updates forum.hibernate.orgHibernate version: 3 We are looking to convert an existing Application to Java and are looking to use Hibernate as the persistency layer. This application is a thick client app and will be based on J2SE. The application is BIG with large numbers of domain objects. If I understand correctly, Hibernate takes a copy of an objects contents when it is ... |
88. Re-Persisting a formerly persistent object forum.hibernate.orgHello, I am using hibernate-3.1 and hibernate-annotations-3.1beta6 within a spring container (not as part of a servlet). I have the following situation: Object x has been made persistent in Database A. The object is very simple, just a few fields and no associations at all. It's id-field is a long value. Database A is no longer accessible, but I know the ... |
89. How does hibernate detect which changed objects to persist? forum.hibernate.org |
90. Get saved object after save forum.hibernate.org |
91. Backup old object before update forum.hibernate.orgclass ProductService { void updateProduct(int ticketId, Product product) { Product storedProduct = ProductDAO.load(); ProductBck backup = new ProductBck(); ProductBck.setImportantInfo(storedProduct.getImportantInfo()); ProductBck.setTicketId(tickeId); ProductBckDAO.create(productBck); ProductDAO.update(product); } } |
92. Object is not saved forum.hibernate.orgI use spring's getHibernateTemplate().save(Object obj). However, Iam not able to save the object. I use MySQL and my table uses an auto increment for the primary key field. In my hbm i have specified the generator calss as native. However though the new row is not updated, MySQL seems to remember the number of attempts I had on creating the new ... |
93. Hibernate tries to save an object that has already been save forum.hibernate.orgI have an enviroment where lots of different threads CONCURRENTLY persists new dialup information. Each new dialup (a RAS-bean) has a ras-message component. Before setting the ras-message component (child) and persisting the RAS-bean (the father), I either save the rasMessage component or load it like: //Retrieve RAS message component from method private RasFailMessageBean persistAndRetriveRasFailMessage(..){ List results = query.list(); if (results != ... |
94. Newbie - My Objects are not persistent forum.hibernate.orgI tried out the "Getting Started"-example (with the Event class). It works fine so far, but my saved Objects are not persistent, they only exist as long as my applications runs - if I start my application a second time, Hibernate creates a new table (after it said "Event - Table not found) like nothing happened before. Does anyone have an ... |
95. Evicted object still being persisted forum.hibernate.orgHi, I'm trying to figure out what the exact behaviour of session.evict(object) should be. I'm trying to prevent an object from being updated by Hibernate with the evict method, but the session is always updating the DB record when the session closes. My pseudo code is something like: load object by id call evict(object) change some properties of the object close ... |
96. Removing CGLib Enhancement from hibernated Objects forum.hibernate.orgHello, I am building an XML Serialization toolkit with a hibernate backend. We use simple runtime serialisation (XStream) without any schema files. When we try to serialize hibernated objects from query Results these objects are "more" than simple pojos. They habe been enhanced by the cglib framework to become hibernated. XStream serializes the full object tree of an object. For our ... |
97. Save of an object takes very long forum.hibernate.orgAuthor Message Lindros79 Post subject: Save of an object takes very long Posted: Thu May 04, 2006 7:58 am Newbie Joined: Thu May 04, 2006 5:28 am Posts: 3 Hallo, I have a problem: The save-operation of an object with (many) child objects takes very long! Hibernate version: hibernate3.1 Name and version of the database you are using:MySQL 5.0.17 ... |
98. Hibenate is unable to locate persistent objects forum.hibernate.orgHi all, For our products, we usually give encrypted jar instead of normal one. Our problem is hibenate is unable to locate the corresponding persistent object from the encrypted source. The code is working fine if we are using normal jar file instead of encrypted one. We also used reflection for loading corresponding persistent objects into memory before initializing hibernate. But ... |
99. Persisting an object with hibernate 3 forum.hibernate.orgFinally, the problem was my hibernate3.jar file was not a good one. It has been imported by MiddleGenIDE plugin. I replaced it with the jar file from hibernate package download from the site. As regards the persistance of objects, what method do you recommend when I want to save them to the DB for example. I looked in the reference about ... |
100. Persisting one-to-many object forum.hibernate.orgHi, I'm using |