1. Flaky Hibernate session? stackoverflow.comHibernate throws this error on me sometimes: org.hibernate.LazyInitializationException: could not initialize proxy - no Session. Now: I know, I know- it means that the entity that I'm operating on has become detached ... |
2. 2nd level cache and session.save stackoverflow.comThe collection on an entity in the cache is not refresh after a session.delete.
Here is my relation : |
3. Hibernate: 1st level cache stackoverflow.comCould someone tell me how could I peek into objects being managed by a session in Hibernate? I am trying to use eclipse debugger and drill into persistenceContext but I am not ... |
4. Hibernate Long Session and First Level Cache behaviour coderanch.comHi, We are working on a Web Application project, using the concept of "long sessions". In this process we experienced an unexpected behaviour of the Hibernate Session: - we store the Hibernate Session in the HttpSession. - in consecutive requests we are connecting and disconnecting from the Hibernate Session. - we were expecting that an object, once loaded in the Hibernate ... |
5. Hibernate session caching problem coderanch.comDear all, This problem has disturbed me for almost a week. I cannot find any solution. I use hibernate add/modify/delete data in MySql. After adding data, I can see from MySql client that the entry is created to the table immediately. However, the newly created data will only be loaded by hibernate after some time (a minute for example). In hibernate.cfg.xml, ... |
6. Hibernate Session Cache Understanding ? : with OSIV forum.hibernate.orgDeal All, Hope you all doing good. We have specific hibernate session problem when new objects are not fetched b/w HSQL calls. Please help and find the code / configuration below. Controller_method() { Parent p1 = findObjectsWithParent_method1(); Parent p2 = findObjectsWithParent_mothod2(); } Parent Class ============ Parent { //one-to-many hibernate Set |
7. Session level cache problem. forum.hibernate.orgNewbie Joined: Tue Sep 23, 2003 12:31 am Posts: 3 I'm programming a web forum using Hibernate 2.0.3, and I've encountered a session level cache problem. See below mapping code: Code: |
8. Session level caching forum.hibernate.orgHello, For our application I'm coming to believe that Session level caching is not really essential. We've actually had to resort systematic session.clear() after rollbacking the underlying Transaction. I'm wondering if anyone else has come across this ? Is there a simple way to disable session level caching (without prodiving a Custom SessionFactory) ? Thanks. Alain. |
9. Inter-session caching question forum.hibernate.orgHi, I have a set of persistent objects, TaskPriority, which I preload when the server starts (in a HashMap) Each call from the client implies a new session, while the caching was done in another session. Is that dangerous? Now I get: java.lang.NullPointerException: not-null property references a null or transient value: Task.priority ...when I save() on an object referrering to the ... |
10. How to use sessions and caching forum.hibernate.orgHi, I'm not sure weather I understood all the Hibernate caching and session concepts, maybe someone out there could help me. As far as I understood, each session has it's own cache so JVM identity is not the same as entity identity. There are two points I do not understand very well. 1) How to synchronize sessions. As the same entity ... |
11. Session cache??? forum.hibernate.orgNop, it gets committed. I can se hibernate making an insert on B object. And when I load I can se it making an select on B object. BUT, when returned to UI it only consists of A object and no related B object. I believe its due to the session cache, that I need to update it somehow -> tell ... |
12. Can't see ehcache working across sessions forum.hibernate.orgAuthor Message amezick Post subject: Can't see ehcache working across sessions Posted: Mon Dec 15, 2003 12:11 pm Beginner Joined: Mon Nov 03, 2003 11:48 pm Posts: 29 Ok, I am running a junit test. I get VA from the StateList table, it is added to the 2ndlvl cache, close the session, open a new session, get VA from ... |
13. Session Cache --HELP forum.hibernate.orgOk confused and new ---so please be nice.. Wanting to know if Hibernate --upon creation of a new session -- 1) Does it cache the sql for all objects at creation of a new session -- 2) or only generate the sql for the specific object upon the use of a session. |
14. Session closing and cache forum.hibernate.orgHi, I'd just like to know if when I close a session, do I need to empty the cache or is this going to be empty automaticaly. I need to work without cache because of the architecture of the application I use with different client speaking directly to database. If my conf file is like the following, what about cache setting ... |
15. 2nd level Cache : OK within the Session, but with an other. forum.hibernate.org |
16. session cache forum.hibernate.orgIs JCS still being used for the session cache implementation? The hibernate doc refers to it but the xdoclet doc indicates that the jcs tags are deprecated and the changes docs indicate that JCS has been removed. I thought that the 'cache' tags referred to the 2nd or jvm level cache. I am using ehcache for 2nd or jvm level cache ... |
17. Bypassing the session cache forum.hibernate.org |
18. Session caching and multithreads forum.hibernate.orgNewbie Joined: Fri Oct 08, 2004 7:26 pm Posts: 4 Location: Florianopolis - SC - Brazil Hi all, I am having a problem with the behavior of Hibernate's session cache management. I already know one or two solutions to my problem, but I am asking for you expert guys if there is another solution. I have two threads and a Parent/child ... |
19. Hibernate session cache synchronization forum.hibernate.orgHi, this is my first post. I'm having problems with hibernate session cache in an desktop application that access to a hibernate/web services based server. The server creates a session for each client. When the clients exits the desktop applications then the his session is closed. The typical scenario is: - Client B performs a query over Entity E1. Entity E1 ... |
20. Bypassing the Hibernate cache in the same session.... forum.hibernate.orgHibernate version: 2.1.1 Name and version of the database you are using: Db2 v8.1.7 I have an issue with attempting to selectively bypass the Hibernate first level cache using LockMode.READ withing the same Hibernate session. I have a simple test method as follows: - public void testAdapter() throws Exception { long orgId = 1; // Start up hibernate session. hibernateAccess = ... |
21. Understand session caching forum.hibernate.org[b]Hibernate version:[/b] 2.1.7 I'm trying to understand on how hibernate caches objects within a given session. If I use the criteria object with different eager fetch then there is a db hit to the database each time. e.g select * from Event event left outer join fetch event.user where event.id = 2" select * from Event event where event.id = 2" ... |
22. Suggested fix for Session cache OutOfMemoryException forum.hibernate.org |
23. Long Session and First Level Cache behaviour forum.hibernate.orgHi, We are working on a Web Application project, using the concept of "long sessions". In this process we experienced an unexpected behaviour of the Hibernate Session: - we store the Hibernate Session in the HttpSession. - in consecutive requests we are connecting and disconnecting from the Hibernate Session. - we were expecting that an object, once loaded in the Hibernate ... |
24. Graph Cached After Save Inside Session forum.hibernate.orgIn Transaction: |
25. using session cache and/or second level cache forum.hibernate.orgHello everyone. Im facing a problem. Ive several terminals acessing a database, inserting, updating and loading in queries. The problem is that, if I keeps a session opened and everyone uses this session, Ive a problem of syncronizing all the data. Then Im studying a way of use the second level cache. Each terminal opens a new session and, when it ... |
26. Session Level Cache configuration and purging forum.hibernate.orgYou can configure the ehcache or one of the other to suite your needs. You can also configure the life time of cached instances. Read about ehcache on their website or in the wiki. I do not know the size of your base data, but it will be hard to hold a lot of data in the cache. You may consider ... |
27. Problem with Session cache forum.hibernate.orgHibernate version: 3.1 Name and version of the database you are using: MySQL 5.0 hibernate.properties ... hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider hibernate.cache.use_query_cache=false hibernate.cache.use_second_level_cache=false Settings.hbm.xml |
28. Session cache vs. 2nd level cache forum.hibernate.orgIt seems that the session cache does not store an instance but all the persistent properties of the instance. So modifications of a transient property are lost. In my case, associations gestion is implemented manually, so a child entity is a transient property of its father. The only solution is to use an instance cache instead of the session cache ? ... |
29. multiple hibernate session factories with tree cache forum.hibernate.org |
30. Problem with LoadEventListener and session cache forum.hibernate.orgHi! I'm programming a webapplication that does several actions on every request. Each action loads a large number of entities and transforms them into XML. To speed up this transaction, I'm creating a cache that maps my action results to the entites, and my action results to the request. So, when I detect a dirty flush, I also flush my action ... |
31. Open Session In View: ehcache & LazyInitializationExcept forum.hibernate.orgAuthor Message AndreasH Post subject: Open Session In View: ehcache & LazyInitializationExcept Posted: Fri Feb 09, 2007 10:28 am Newbie Joined: Fri Jul 14, 2006 7:32 am Posts: 9 Hi! Hibernate-Version: 3.1.3, 3.2.2 I'm working on a web application using Hibernate and the "Open Session In View" pattern: I have a HibernateFilter class mapped as ServletFilter for all servlets. ... |
32. Just how does the session cache work? forum.hibernate.orgNewbie Joined: Tue Aug 23, 2005 10:02 am Posts: 7 I thought I understood how Hibernate's first level cache worked, but after reading some more of the Reference Manual, and analyzing some debug output from my code, I realize that I really don't know how the cache works. Here's my problem in a nutshell: when I issue an saveOrUpdate command for ... |
33. the session cache is making mistakes forum.hibernate.org |
34. Hibernate cache out of session does not work forum.hibernate.orgDear all, Hibernate version:3.2.0 Mapping documents: Code: |
35. Odd behavior - Session seems to be ignoring CacheMode.IGNORE forum.hibernate.orgI'm updating the rankings of 35,000+ users in a game with batch processing as follows. Note: Session and transaction are opened/closed before and after this code segment. Code: int batchSize = 100, count = 0; User currentUser = null, lastUser = null; ScrollableResults users = session.getNamedQuery("User.findAllForRanking") ... |
36. Session cache (1st level) tuning forum.hibernate.orgHello, I want to configure the session level cache is it possible to do it in hibernate config file ? What I want to do is to reduce the number of entities stored in this cache because my batch make a lot of read accesses (SELECT) in the same session and after a long time, the cache is full and I ... |
37. Second Level cache with multiple session factories in one ap forum.hibernate.orgHello, I want to split out my logical database in two fysical databases: one optimized for writing, and one optimized for reading. Therefore, I will have two session factories withing the same application. Will these session factories share the same second level cache ? Stated otherwise, is the second level cache on SessionFactory level, or on JVM level ? If it ... |