1. Is it a good idea to close and open hibernate sessions frequently? stackoverflow.comI'm developing an application which requires that state of entities be read from a database at frequent intervals or triggers. However, once hibernate reads the state, it doesn't re-read it unless ... |
2. When to open/close a hibernate session in a Java EE enviroment stackoverflow.comOpen at the begin of the http request and close at the end and each http request is treated in a separated thread? Maybe saving all session in a HashMap and ... |
3. Open and close Hibernate session stackoverflow.comThis is how I get a Hibernate Session and create query. getSession() method returns a new ... |
4. Keeping session always open forum.hibernate.orgHello all, I don't know whether this question is answered or not because I'm unable to find answer for my question. What is the good way to use hibernate. I'm actually talking about session opening and closing. Should we open a session at the start of application and close it when our application closes? OR We should open it every time ... |
5. open new session or get current session? forum.hibernate.org |
6. Problem keeping open session forum.hibernate.orgNewbie Joined: Thu Dec 02, 2010 9:09 am Posts: 1 Hi! I have a batch process inJava using Spring+Hibernate. I want to keep session open for all access to Oracle. Here is my configuration: Code: |
7. cursors stay open when using session.iterate forum.hibernate.orgHi, I work with the owner of the first post on this subject, I'm sure that we saw open cursors on the db (oracle). But I'm not sure now whether they were prepared statements or actual open cursors (we use the prepared statement cache feature of hibernate). It might turn out that the tool we use to list the cursors in ... |
8. Cannot open a simple Session ! forum.hibernate.orgNewbie Joined: Tue Jun 29, 2004 7:49 am Posts: 3 I followed the Hibernate tutorial (with the Cat) but got an error when i open a Session. Here is the Servlet I use to test Hibernate : package test; import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import net.sf.hibernate.*; import java.sql.*; import javax.sql.*; import javax.naming.*; public class HibernateServlet extends HttpServlet { private static ... |
9. Hibernate Session open/close forum.hibernate.orgHello, We are currently using the ThreadLocal pattern that envelopes an MBean. I initially thought it would be best to do the following: 1. Request comes in. (Struts execute method - start) Session is open. 2. Some method is called. Instance of the open Session is obtained. Some session operations are run. 3. Another method is called. Same pattern. ..... 10. ... |
10. Using AspectJ to open and close sessions in Hibernate forum.hibernate.orgHello Everyone and Bipin! I have a HibernateUtil class which is an example given in HIbernate documentation. I have a aspect which upon calling any method in TopicUserAdmin.java should invoke the Hibernate session. I want the session to be available in java class. Any help on this will be great. --------------------------------------------------------------------------------- Sample code for TopicUserAdmin public class TopicUserAdmin{ Session session; public ... |
11. using Aspectj for opening and closing sessions forum.hibernate.org |
12. using aspectj for opening and closing hibernate sessions forum.hibernate.org |
13. "open session in vew" is really useful? forum.hibernate.org |
14. trouble in opening session forum.hibernate.org |
15. Session - transacton strategy during "Open session in v forum.hibernate.orgHibernate version: 3.1b |
16. LazyInitialisationExpception *within open session* forum.hibernate.orgAuthor Message philhaigh Post subject: LazyInitialisationExpception *within open session* Posted: Sun Nov 26, 2006 10:32 am Newbie Joined: Sun Nov 26, 2006 10:21 am Posts: 2 Hi, I am seeing a very strange issue. I am using the OpenSessionInView with long conversations filter. From my log statements (and normal behaviour of the application), this is working as expected. However, ... |
17. DataAccessResourceFailureException Could not open session. forum.hibernate.orgIam using hibernate 3.1 with mysql5.0 as database. Jdk version is 1.5 ,jboss 4.0 . when deploy test applicatication say test1.war,test2.war in same jboss server , i encounted following error below. Can anybody suggests ?. [exec] Caused by: org.springframework.dao.DataAccessResourceFailureException: Could not open Hibernate Session; nested exception is org.hibernate.TransactionException: could not register synchronizati on with JTA TransactionManager [exec] at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:243) [exec] at ... |
18. Question on session opening and closing forum.hibernate.orgHaving read the free chapter 2 of the Hibernate book, I understand how they open a session, perform a unit of work, then close the session. gurther more this ties in nicely with the default save/delete methods in the facades that work in the same way. What I'm not sure about is when you create a findByxxxxx method in the facade, ... |
19. two open sessions forum.hibernate.orgHi, I have a CLOB with form using FCK editor. While the long of characters < 4000, it's OK. But if >4000 caracters, I get this error org.springframework.orm.hibernate3.HibernateSystemException: Illegal attempt to associate a collection with two open sessions; nested exception is org.hibernate.HibernateException: Illegal attempt to associate a collection with two open sessions Caused by: org.hibernate.HibernateException: Illegal attempt to associate a collection ... |
20. opening Session forum.hibernate.orgWith the Hibernate cache, basically, when you open a session, and start a transaction, the Hibernate Session keeps a local copy of the Java object (the entity), and makes changes to that local copy. Since this all happens within a transaction, and the database is locked (?), then just manipulating the local object makes more sense than going back and forth ... |
21. Postgres is leaving too many open sessions forum.hibernate.orgHi all, I'm a beginner in hibernate and I am working with Postgres, my problem is that aparently hibernate is leaving a lot of open sessions to Postgres. I realized that when I went to Postgres Pgadmin-tools-server status, this is showing me a lot of PID all of them with Query= |
22. Where are the best places to open and close session forum.hibernate.org |
23. Hibernate.isInitialized when session is open forum.hibernate.orgLet me try to explain it a bit better: e.g. there is an entity A with a (lazy) one-to-many relation to entity B. Now I load the A entities by HQL query "from A". Hibernate selects the data from the database without fetching the B entities. When I now use Hibernate.isInitialized() on some A.B proxy, the method returns true although B ... |
24. Opening hibernate session: forum.hibernate.orgHi I am new to hibernate and have a problem that I need to solve: I am using a postGIS with hibernate. This is the series of events that are happening: I retrieve object A in session X.. I retrieve object B in session X. then down the road I want to call A.contains(B) in session Y. however because contains() is ... |
25. open session is blocking after switch to c3p0 forum.hibernate.orgGood afternoon. Clearly I'm doing something wrong here; hopefully you all can help me. My standalone java application was running just fine with Hibernate's built-in connection pooling. I then attempted to turn on c3p0 connection pooling, but the SessionFactory.openSession() method is blocking. As I understand it, all I need to do is add a few lines to my hibernate.cfg.xml file. So ... |