release « Connection « JPA Q&A

1. How to specify connection release modes in Hibernate?

How to specify connection release modes in Hibernate? Thanks,

2. Hibernate not releasing data base connections

Following is the configuration details:

<property name="hibernateProperties">
    <prop key="hibernate.dialect">
    <prop key="hibernate.show_sql">false</prop>

3. hibernate connection pool release

Hi everyone, I am making a web application using hibernate with jsp servlet at tomcat. My problem is when I refresh a page for example 10-15 times, page crashes. I use a classic I Hibrnate util in another class as; Code: sessionFactory = new Configuration().configure().buildSessionFactory(); then I am making a select query to view results in a page as Code: Session ...

4. Releasing connection to the pool

5. JPA/Hibernate/Mysql - em.close() not releasing connections

Hi, EntityManager.close() does not release the connection! Pls help... I tried c3p0 and tomcat DS, and hibernate does not close the connection. With c3p0 it reused some of the but timeout/test connection, were never used. I get the EntityManagerFactory by @PersistenceUnit(unitName = "main") and the I use the following logic Code: EntityManager em = entityManagerFactory.createEntityManager(); em.getTransaction().begin(); ..... EntityTransaction tx = em.getTransaction(); ...

6. hibernate and connection releasing

Newbie Joined: Sat Mar 20, 2004 9:05 am Posts: 5 Hello, I've having an issue whereby about 3/4 of the way through my junit tests i get a "Too many connections" message from MySQL, which causes the rest of the tests to fail because a connection cannot be obtained. Since i'm running a series of sequential tests, there should be no ...

7. **** NOT releasing the DB connections - ERROR ****

Hibernate version: 2.1 Code between sessionFactory.openSession() and session.close(): session =sessionFactory.openSession(new ValidationInterceptor ()); tx= session.beginTransaction(); for (int j = 0 ; j < shList.size() ; j++) { StakeHolder sh = new StakeHolder ((String[]) shList.get(j)) ;; sh = null ; } tx.commit(); } catch (Exception e) { e.printStackTrace(); if (tx!=null) tx.rollback(); } finally{ // System.out.println ("CLOSING...") ; session.close(); System.out.println ("CLOSED...") ; } ...

8. Releasing connection to the C3P0 pool

I have problem understanding how the JDBC connections go back to the C3P0 pool. From what I understood of the documentation, closing the Hibernate session should release the JDBC connection. But ... my app is running under tomcat. When I call a servlet several times in a row, I get a "connection limit exceeded for non-superusers" (see stack trace below). I ...

9. Hibernate not releasing mysql connection

Newbie Joined: Mon Jul 31, 2006 2:41 pm Posts: 13 I'm using hibernate with struts, on Jetty6, with Mysql 4.1.7. For some reason, even though I'm calling session.flush(), session.close() in my logic after any SQL or HSQL, hibernate does not seem to be releasing the connection. After 10 or so queries, this is what my linux box looks like when I ...

10. Help! GenericJDBCException: Cannot release connection

Hibernate 3.2CR3 I'm getting this exception. Does anyone have any ideas why or what I can do to debug? Code: Caused by: org.hibernate.exception.GenericJDBCException: Cannot release connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException( at org.hibernate.exception.SQLStateConverter.convert( at org.hibernate.exception.JDBCExceptionHelper.convert( ...

11. How to set hibernate.connection.release_mode?

jdbc:oracle:thin:@ oracle.jdbc.driver.OracleDriver scott tiger org.hibernate.transaction.JDBCTransactionFactory 1 after_transaction org.hibernate.dialect.Oracle9Dialect thread