management « Session « JPA Q&A





1. simple hibernate session management    stackoverflow.com

i'm a bit new in the world of hibernate and i lack knowledge in certain domain when it comes to java.I know for a fact that a good piece of software ...

2. Session Management for Hibernate.    coderanch.com

Hi guys, I am developing a web application which uses Hibernate. And i am storing the "Hibernate Session" object in a "Http Session" object. However, i have come across a problem when there are multiple users who update the data. In that case, since the "Hibernate Session" is in "Http Session", data will get updated only for the user who has ...

3. Hibernate session management across multiple applications.    coderanch.com

Can someone tell me what type of configuration should be used in order to ensure that hibernate does not get 500 errors? Here is the situation. On a project that I am on we have 1 database that is being accessed by 3 different applications (A, B, C) The 3 applications all share a core library for the User object and ...

4. Hibernate session management....    forum.hibernate.org

My sample dao: In one single transaction, we will have to execute few methods as shown below which would involve create,update,delete, so we cannot commit in the code. Hence, we rely on Spring Transaction Manager which we configured and it is working as expected. public class TestDao extends HibernateDaoSupport public Collection searchForItems() { try { Session session = this.getSession(); Criteria criteria ...

5. Proposed session management strategy for thick clients    forum.hibernate.org

Regular Joined: Wed Sep 03, 2003 9:56 pm Posts: 58 In my efforts to address the problems encountered using the 'open session->load data->close session' model in a thick-client environment, I've written a 'mini-spec' that proposes a 'synchronized singleton' pattern approach. I thought that before I released it to development for implementation, I'd post it here for (valued) critical review. If this ...

6. Reformulation of question: Session Management    forum.hibernate.org

7. Session management    forum.hibernate.org

Hello, I still don't really understand how to manage the session. That's why I hope somebody will make it clear using a example I thought off, here goes: User opens a persisted order which is passed to the UI layer (open a session, retrieve order, close session and pass it to UI layer). Order contains a object address which needs to ...

8. session management in a 2 tier    forum.hibernate.org

This is a general question for 2 tiered (app server and DB). I am getting started with Hibernate and was using ThreadLocal to hold the session and disconnecting it with a ServletFilter. That doest work well bc if I get an object in one request with one thread, and then try to get the dependent objects (lazy loaded) in a subsequent ...

9. SessionFactory management    forum.hibernate.org

hi all, I'm starting a new application upon an existing database with 100 tables. I'm using spring IOC to configure hibernate dao's SessionFactories. I'm facing to the choice of SessionFactory strategy. I would like to know if it's a good approach to have a single SessionFactory for the all DAO. Or it's a better approach to bind related dao's to a ...





10. Hibernate session management problem!!    forum.hibernate.org

Newbie Joined: Wed Jan 04, 2006 4:01 pm Posts: 2 after the user doesn't active for around 8 hours, if the user try to log in again, my application give the following exception: javax.servlet.ServletException: net.sf.hibernate.JDBCException: Could not execute query: Communication link failure: java.net.SocketException after debug, I found out, it is related to the mysql wait_time, the default wait_time for mysql is ...

11. proper session management    forum.hibernate.org

Hi, I'm using Hibernate in a web application framework and have a thread local object that has a method used by a lot of different classes during the request cycle to get a hibernate session. In regards to this I'm stuck on something very simple. When a class requests a session does the thread local object call sessionfactory.createSession() for each getSession() ...

12. Session management question    forum.hibernate.org

Do I need to keep the Session open while I traverse my object? I get the following exception while working with my entity after retrieving it from the DB: org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed I understand this happens because I closed the session which originally created my object and I'm now trying to access the ...

13. Best Session Management    forum.hibernate.org

14. Hibernate session management    forum.hibernate.org

Newbie Joined: Sat Dec 08, 2007 6:49 am Posts: 1 I'm using the opensession() method of session factory because i can't use getCurrentsession(i need to have few open sessions concurrently because I'm using hibernate pagination in my pages). for each transaction i'm opening and closing the session. The problem is that i have some missing data just the time i've inserted ...

15. Efficient hibernate session management in AJAX web apps    forum.hibernate.org

Author Message jwisnie Post subject: Efficient hibernate session management in AJAX web apps Posted: Wed May 28, 2008 12:30 pm Newbie Joined: Wed May 28, 2008 10:46 am Posts: 4 Hi All, I'm currently developing web application with some AJAX features. Main architecture is based on spring framework as a bean container, hibernate as ORM and JSF + RichFaces(which ...

16. Session Management    forum.hibernate.org

That code is transactional, but not thread-safe. Because sessions themselves are not thread-safe, unless you wrap that code in something that makes them so. And yes, creating a transaction in that way, every time a DAO operation occurs, is somewhat of an overkill, because it doesn't take advantage of larger inclusive transactions that might be already available in the database conversation. ...