1. Hibernate flush doesn't update database stackoverflow.comI'm using hibernate to store a set of objects from a web service. As the object are received each I am saving them using hibernate. Receiving the objects is wrapped in a ... |
2. Hibernate : how to configure the Flush after every RW-D operation? stackoverflow.comI have an AbstractDao implemented by every Dao of my database. public abstract class AbstractDaoImpl extends HibernateDaoSupport { (...) public void delete(T pEntity) throws FerdeDaoException { |
3. Persisting deep object graph with JPA without em.flush() stackoverflow.comI have following model: Report, ReportSection and ReportSectionProperty. Report has zero to many ReportSections, ReportSection has zero to many ReportSectionPropert-ies. This would qualifie as three levels deep object graph. I create new Report, then add some ... |
4. Java: Hibernate does not see changes in DataBase stackoverflow.comI have two different applications that share the same database. The problem is that when I have an application change something in the database, the other does not. I tried to make ... |
5. Why is Grails Searchable Plugin causing errors on Hibernate AutoFlush? stackoverflow.comIn the Grails 1.2.5 project that I am trying to troubleshoot, we use the Grails Searchable plugin .5.5.1. The problem is that whenever we attempt to index large ... |
6. Hibernate not flushing modified objects to database stackoverflow.comI'm working on a project that has in the last couple of months developed an incredibly annoying bug involving object updates. Certain objects (most notably users) when updated in hibernate are ... |
7. Practical examples use Hibernate FlushMode.ALWAYS stackoverflow.comCould you give me some practical examples that use FlushMode.ALWAYS in Hibernate session? Thanks, |
8. What is checked behind FlushMode.AUTO? stackoverflow.comIn Hibernate, I wonder which conditions trigger flushing when flushMode is AUTO? It may be complex (or "magic") but what are the basic conditions? Thanks |
9. Hibernate: When to flush coderanch.comIs it recommended to flush everytime when insert, update or delete operation is performed? In my web application, I currently use one transaction per user request, where all insert/update/delete/query are done before comitting the transaction and redirect to jsp. However, in one of my unique scenarios, I noticed the newly inserted row doesn't have an ID value assigned to it yet ... |
10. Flush Hibernate issue coderanch.comPaul, The problem is there is so much of activity on the session, that it is too difficult to trace why this is occurring. The NPE is not helpful in understanding the issue. Can you quote some examples as to why this could occur? Or have you faced something similar to this? |
11. JPA and Hibernate -- Manual Flush coderanch.com |
12. Saving new objects and flush forum.hibernate.orgThis is hopefully a quick question and I apologize in advance if this has been answered a million times. I swear I searched first. Is it possible for a new object to be persisted (I assume in the transaction) when flush is called if save (or equivalent) has not yet been called for this object. I assumed that it would not ... |
13. Flush approach forum.hibernate.org |
14. stuck for 10 mins on second flush call forum.hibernate.orgHi, This is the scene. Session sess = getSessionFactory().getCurrentSession(); txn = sess.beginTransaction(); int i = 0; for(MyRecord record: records) { sess.persist(); if(i++ % 512 == 0) { sess.flush(); sess.clear(); } } sess.commit(); This code trying to call flush every 512 rows. However it gets called even for i =0. (This is bug in code :) ) So now lets say there ... |
15. update before flush forum.hibernate.orgI use the code below to modify an object and update the view: Code: Transaction transaction = session.beginTransaction(); try { // Load, edit and update Objects // using session.save() and session.update() transaction.commit(); } catch (Exception e) { transaction.rollback(); Logger.get().error(e.getMessage()); } rebuildModel(session); ... |
16. Changing an object after persisting before flushing forum.hibernate.orgI create an object which I persist to the session. After persisting the object I change the object using a setter method. When the object is being flushed, the old value is inserted into the database. After digging in the Hibernate source code I have found the following comment in the class AbstractEntityPersister in the method insert(final Serializable id, final Object[] ... |
17. Replacing all calls to save with merge/flush/evict forum.hibernate.orgI've recently been added onto a very complicated project with heavy persistence. Hibernate was used from the start, although often incorrectly, and one of our new tasks is to provide transaction support across large units of work. The resulting increase in session scope has caused numerous issues, frequent non-unique object exceptions, double encryption (as a result of an encryption interceptor that ... |
18. Can't get Flush to work forum.hibernate.orgBeen stuck on this problem a while now. In short, When I stop the debugger before the last commit is executed am I wrong when I expect the data base to be up to date when I look in it after the flush has been called? If flush does not send all pending updates to the database then what is it ... |
19. Strange behaviour with Hibernate and flushing forum.hibernate.org@Entity public class Parent extends BaseEntity { ***other fields*** @OneToMany(cascade = CascadeType.ALL) @JoinTable(name = "PARENT_CHILD", joinColumns = { @JoinColumn(name = "PARENT_ID") }, inverseJoinColumns = { @JoinColumn(name = "CHILD_ID") }) private Set |
20. flush() updates to many objects on database forum.hibernate.orgI got some very strange behaviour using session.update() and session.flush(). Look at the following example code (o1 and o2 are different objects): Code: Object o1 = session.load(Class, 1) Object o2 = session.load(Class, 2) o1.setExample("1") o2.setExample("2") session.update(o1); session.flush(); session.rollback(); session.update(o2); session.flush(); session.commit(); I saw in the DEBUG log messages, that the changes of o1 AND o2 will be written to the database ... |
21. Why does flush()-ing twice in a row lead to an error? forum.hibernate.orgBeginner Joined: Tue Sep 30, 2003 4:16 pm Posts: 33 I am using Hibernate with HSQL to build a stand-alone client application. I wrote some test code which is behaving in a way that doesn't make sense to me: Code: { Session session; ChannelBuilder builder = ... |
22. sess.flush() and commits forum.hibernate.orgIs it at all possible that calls to sess.flush() would cause the transaction to commit? I've been debugging a problem where we're rolling back a transaction, but changes are still being committed. Here is what I am doing... Code: try{ begin tx; sess.update(obj); // causes version update sess.flush(); ... |
23. JTATransaction vs UserTransaction (+ flushing) forum.hibernate.orgHi, Could somebody explain to me the differences between using JTATransactions and UserTransaction? When is it appropriate to use one over the other? And what is their relationship to net.sf.hibernate.Transaction? Also, is there a method to cause Hibernate to automatically cause a complete rollback regardless of the transaction strategy? It seems 'wrong' to me to have to flush before the rollback. ... |
24. ClassCastException when calling flush() forum.hibernate.orgHere's the stack trace... java.lang.ClassCastException [java] at net.sf.hibernate.type.LongType.set(LongType.java:28) [java] at net.sf.hibernate.type.NullableType.nullSafeSet(NullableType.java:46) [java] at net.sf.hibernate.type.NullableType.nullSafeSet(NullableType.java:31) [java] at net.sf.hibernate.collection.CollectionPersister.writeIndex(CollectionPersister.ja va:468) [java] at net.sf.hibernate.collection.Map.writeTo(Map.java:189) [java] at net.sf.hibernate.collection.CollectionPersister.recreate(CollectionPersister.java :692) [java] at net.sf.hibernate.impl.ScheduledCollectionRecreate.execute(ScheduledCollectionRecr eate.java:23) [java] at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2101) [java] at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2077) [java] at net.sf.hibernate.impl.SessionImpl.flush(SessionImpl.java:2017) Here is my mapping file. I am using java.lang.Long for my id |
25. flush question forum.hibernate.orgSuppose I have the following situation: One table is selected and one object is retrieved. i perform changes in this object, and then flush the session. ok, the changes are going to be noticed and updated. But, if for a special reason, i have to add another object to the same table, before flushing the modifications of the first retrieved object ... |
26. Why doesn't close flush? forum.hibernate.orgWhy doesn't session.close() do a session.flush()? Definitely not intuitive if you're used to java.io's behavior! And it's bitten me a few times already. I kind of want to postpone my flushes as long as possible, and in fact in some cases I want to postpone them to the end of my thread-local-session. I suppose I could add a flush() in my ... |
27. CMT and flush() forum.hibernate.orgA flush tell hibernate to send the SQL for the current unit or work to the SQL engine. You can test it for yourself, Hibernate has an implied flush when commit is called. Keeping that in mind, in the CMT case your not calling the transaction operations, the container is so yes you need to call flush. |
28. StackOverflowError on flush() forum.hibernate.orgHello, I'm receiving a StackOverflowError after updating 1 single object, and then calling flush() on the session (2.1.2). The default stack size is in place. I'm flushing/closing the session in exactly the manner described in the docs under "manually managing JDBC transactions". Unfortunately, this error has no stack trace whatsoever. I know it is occuring during flush due to my own ... |
29. Asynchronous flush forum.hibernate.org |
30. the concept of the flush.... forum.hibernate.orgwhen hibernate run session.flush ,hibernate send sql to the database but i can't image if in one transaction,what is different between run flush and not run flush?(because all sql is taken effect after hibernate commit the transaction) if all this viewpoint i think is right,so i can't understand the meaning of run the flush in the middle of transaction? |
31. Data Flushing from Memory! forum.hibernate.orgHello, Is partial flushing possible using any api? 1) pose, I load 1000 objects from database in the memory and now I want to unload first 100 objects from the memory, as i don't need this now. Can we do it? is evict the right way? 2) what if I want to flush all the 1000 objects from the memory, conditions ... |
32. Intermittent auto-flush problem with bogus updates forum.hibernate.orgHello, I'm using Hibernate 2.1 with MSSQL 2K. Periodically (and of course unrecreatably) I am seeing some odd behavior that I can only attibute to auto-flush. I am loading an object with a set of calls to session.find(). Using the MSSQL profiler, I can watch the SQL executed against the database. Normally, I see all SELECTs as expected. Occasionally, on our ... |
33. Save() vs Flush() ... really confused! forum.hibernate.orgHi everyone. I have been using Hibernate for about six months with no problems, but I seem to very stumped about a core concept. What is the purpose behind calling save() or saveOrUpdate()...isn't the actually saving happening when I do a flush? I didn't know about flush() until just today so I am guessing. The problem came became aparent today when ... |
34. JVM Crashes on flush() call forum.hibernate.orgNewbie Joined: Fri Aug 13, 2004 12:17 pm Posts: 12 Location: St. Louis, MO Hibernate version: 2.1.6 Mapping documents: Code: |
35. CacheSynchronization.afterCompletion does not call flush forum.hibernate.orgI am looking at trying to integrate transactions from a third-party framework with hibernate. Assume that the Framework uses JTA (it doesn't, but I can probably implement some basic JTA or JTA-like transaction manager). In particular, I would like it if a commit from within the framework flushed and committed the hibernate session. I noticed that Session.connect() and JTATransaction.begin() both register ... |
36. STRANGE CRASH ON FLUSHING forum.hibernate.orgpublic final class SessionImpl implements SessionImplementor { /** * ONLY near the end of the flush process, determine if the collection is dirty * by checking its entry */ boolean collectionIsDirty(PersistentCollection coll) ... |
37. Flush not flushing? forum.hibernate.orgSinec the transaction is handled by the database, the insert query and the commit are seperate things.. I have defined some restrictions on the database, if a user insert a new object that violates these restrictions I want to be able to catch the exception and warn the user of his mistakes. Even after the insert has taken place, the user ... |
38. why use the update method when flush() does the same thing? forum.hibernate.orgHi, If calling session.flush() generates the sql update command, why bother calling session.update(myobject)? Note, I am not using a transaction. Does the difference come into play with the save() method, the saveOrUpdate() method, or cascading save/updates? I don't get it???? What scenareo would there be that would require you to use update() before flush()? Troy |
39. To flush or not forum.hibernate.orgI'm using the technique where you open a transaction....and then close it with an app filter. I'm using the example code from the Caveat emptor app. Code: public String makePersistent(Metric metric) throws InfrastructureException { try { HibernateUtil.getSession().saveOrUpdate(metric); ... |
40. flush and save forum.hibernate.org |
41. strange flush problem on executeQuery forum.hibernate.orgIn a stateless session bean a transactional method only executes a simple query: "from " + xyz.class the xyz.class has several relations and collections. The problem is, that after the execution of the query a session flush tries to update one of the related objects (which leads to a StaleObjectStateEx) There are only field access mappings (no side effects with setters). ... |
42. flush_before_completion to true in hibernate-service.xml forum.hibernate.orgI have to do the following in bold in my class to ensure that the flush happens. If I do not than I can not update ro delete. The explicit calls to s.setFlushMode(FlushMode.AUTO) and s.flush() needs to be made to ensure that updates and deletes can occur. I want to make sure is this right? Code: public static final ThreadLocal session ... |
43. Object not persisted despite calls to flush() and close() forum.hibernate.orgGreetings: I am attempting to create and save a single object to a single database table. The object appears to be properly mapped, and after some difficulty I have been able to properly load and configure Hibernate to talk to my database. I am using a Derby v10 database, and my Hibernate configration utilizes Derby's Client Driver (as opposed to the ... |
44. why flush? forum.hibernate.orgflush = writing session to database Normally this is made automatically when you commit your transaction. Have a look at the Reference about when Hibernate is flushing and how you can change the behaviour. The only interest to do this is when you want to force to write to the db at a specifiq moment, to fire a database trigger or ... |
45. Hibernate & Flush tables forum.hibernate.orgIf you mean flush the hibernate cache session.flush(). If you mean flush the acutal table I do not believe there is a way to do this through the Hibernate api. You could setup the hibernate.cfg.xml file to delete and create the schema on startup, use this for development hibernate.hbm2ddl.auto. Automatically validate or export schema DDL to the database when the SessionFactory ... |
46. flush() not really save to database forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: Version 2.1 Name and version of the database you are using: Mysql 4.1.8 Code between sessionFactory.openSession() and session.close(): Adapter adapter = Adapter.getAdapter(); AuditLogInterceptor interceptor = new AuditLogInterceptor(); Session s = openHibernateSession(interceptor); try { interceptor.setSession(s); interceptor.setUserId(ctx.getCallerPrincipal().getName()); interceptor.setTargetName(adapter.getAdapterId()); Set configs = adapter.getParams(); adapter.setParams(new HashSet()); // Save Adapter Object s.save(adapter); s.flush(); // ... |
47. Flushing Hibernate Data forum.hibernate.orgI'm running a web service query that return alot of results that are all saved straight into the database. The problem I am having is that I can't see any of the results until the method complete even though is it enter data into one table that other methods in the web service call chain use to get information from others ... |
48. Flushing without calling saveOrUpdate forum.hibernate.orgHibernate version: Hibernate 3.1.3 Example : I have two objects maped to DB via Hibernate, I use long sesions (session spans acros many requests ), for example user changes some properties of those two objects and than opens transaction and calls saveOrUpdate on one of the objects but hibernate saves both objects. actualy I wolud like hibernate just to update object ... |
49. Flushing without calling saveOrUpdate forum.hibernate.orgHibernate version: Hibernate 3.1.3 Example : I have two objects maped to DB via Hibernate, I use long sesions (session spans acros many requests ), for example user changes some properties of those two objects and than opens transaction and calls saveOrUpdate on one of the objects but hibernate saves both objects. actualy I wolud like hibernate just to update object ... |
50. flush in Hibernate - What does it mean? forum.hibernate.orgHi, We are using Hibernate-3.x in our application. We have a code where we create large number of hibernate objects(mapped to tables) as part of a single transaction. We create the Session during this process. Here's a pseudo code: Code: myMethod() { for (i=0;i<800000;i++) { Session sess = getHibernateSession(); MyHibernateObject obj = createHibernateObject(); sess.save(obj); ... |
51. flushing and updating forum.hibernate.orgI have an issue with hibernates flushing and updating. We have an entity named USER as well, we are doing some audit tracking To do our audit tracking, we have extended org.hibernate.event.def.DefaultFlushEntityEventListener and then we have overridden public void onFlushEntity(FlushEntityEvent event) throws HibernateException { if (event.getEntity() instanceof ChangeAuditable) { if (currentUser.get() != null) { ChangeAuditable ca = (ChangeAuditable) event.getEntity(); Integer id ... |
52. TreeCache + Flushing forum.hibernate.orgHi, I am using TreeCache as second level cache with Hibernate and spring, Now in our scenario data in database changes outside the hibernate space (I.e. by data script, manual SQL,Etc), I want to flush the cache for these changes; it may be to flush the part of the cache or to the whole cache depends on database changes, I have ... |
53. Problem with FLUSH_MODE and rolling back. forum.hibernate.org@Entity @Table(name = "t_mmx_role") @Proxy(lazy = false) public class MRole extends MBase { // MBase has the id private String name; private String description; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getDescription() { return description; } public void ... |
54. Auto flush mode behaviour changed from v3.1.3 to v3.2.2.ga? forum.hibernate.orgHi, I'm experiencing some problem after updating Hibernate from version 3.1.3 to version 3.2.2.ga. It seems that something is changed in the AUTO flush mode behaviour, because after a change on an entity and calling "session.update(...)", the sql update command isn't anymore executed before a subsequent select (returning wrong entity if the select filter on an entity changed property). Someone can ... |
55. Modified object does not flush forum.hibernate.orgHibernate version:3.3 Code between sessionFactory.openSession() and session.close(): Spring 2.0.7 HibernateTemplate and HibernateTransactionManager Name and version of the database you are using: H2 1.0.59 Hi all, First of all: apologies if this belongs on the Spring forum; hopefully it will be useful for someone with similar problems. I have this case: I start a transaction with Spring HibernateTransactionManager, then do the following ... |
56. Problems flushing/updating data over oleDB Driver forum.hibernate.orgHi, for some reason I get a "data type mismatch" exception as soon as Ilike to flush a session or update certain data in the Database. Any idea what might cause the problem?? Thanks in Advance for your help and feedback antoschka P.S.: Connecting to e.g. MSSQL works fine with the same code. |
57. Auto-flush problem.... forum.hibernate.org |
58. Forced Flushing forum.hibernate.orgHibernate version: 3.2 Name and version of the database you are using: PostgreSQL 8.3 Hi, I'm a Hibernate newbie and I was hoping to find some explanation or at least direction regarding some behavior I've been seeing recently in my project. I've been running the following code: Code: public T makePersistent(T entity) { Session session = getSessionFactory().openSession(); ... |
59. auto flush question forum.hibernate.orghi, I have small issue with the flushing I suppose I don't quite understand the flushing mechanism but as far as I know the flush should occur between DML and a select statement (if flush mode is AUTO). Is that correct ? so I'm using hibernate core 3.3.1 GA and I'm doing this: Code: Currency newCurrency = new Currency(); newCurrency.setCurrency(currency); hbsession.save(newCurrency); ... |
60. Hibernate Flush modes forum.hibernate.orgHi, I am new to hibernate, and I wish to get clarification regarding the Flushing operations in hibernate. for eg If i tried to update a table in an extended session, Will hibernate flush some of the changes to the database in the middle of transaction?(before completing the transaction) If this is the case, when the data(data that has got flushed ... |