mode « Transaction « JPA Q&A





1. In AUTO flush mode will a commit automatically flush pending SQLs    stackoverflow.com

In Hibernate will a commit automatically flush() the session before committing? Will the following code work (will the the property change on animal be persisted) in FlushMode.AUTO?

Session session = <get ...

2. Hibernate: optimistic-lock="true" doesn't work for dom4j entity mode    stackoverflow.com

Is it hibernate bug for supporting dom4j entity type? java.lang.ClassCastException: org.dom4j.tree.DefaultElement cannot be cast to org.hibernate.collection.PersistentCollection at org.hibernate.event.def.DirtyCollectionSearchVisitor.processCollection(DirtyCollectionSearchVisitor.java:74) at org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:122) at org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:83) ...

3. How to set "unchained transaction mode" from entity manager    stackoverflow.com

I am trying to call a stored procedure using native query call from an entity manager like this

String command = "..."//my stored procedure call command
Query q =  getEntityManager().createNativeQuery(command);
But when i ...

4. why does hibernate generate lock with locked_mode=2    forum.hibernate.org

why does hibernate generate lock with locked_mode=2 in oracle The entities are as below, I am using oracle database. Code: @Entity public class Customer { private Set orders; @OneToMany(cascade=CascadeType.ALL, orphanRemoval=true) public Set getOrders() { return orders; } public void setOrders(Set orders) { this.orders = orders; } ...

5. "inheritance" of locking mode?    forum.hibernate.org

6. UPGRADE lock mode leads to invalid FOR UPDATE OF (Postgres)    forum.hibernate.org

Hello, I have a problem with a query using the PostgreSQL dialect. A query on a table called "ne" with the lock mode set to UPGRADE is translated into an SQL-query, which ends this way: "for update of this" (see complete statement below), which leads to a hibernate exception (ERROR: relation "this" in FOR UPDATE clause not found in FROM clause). ...

7. Debug mode:Transaction ... has timed out after 120 seconds    forum.hibernate.org

I having a problem running in debug mode with Hibernate 2.1.8 in Websphere 5.1.2 with MSSQL Server 2000: I'm using the new JTA transaction manager with 2 phase commit to be able have multiple sessions: hibernate.transaction.manager_lookup_class net.sf.hibernate.transaction.WebSphereExtendedJTATransactionLookup Hibernate starts up correctly in non-debug mode, in debug mode instead the "buildSessionFactory" procedure doesn't complete, it hangs for some time then the following ...

8. Posgres - Large Objects may not be used in auto-commit mode!    forum.hibernate.org

Hi, I'm using spring 1.2.1, hibernate 3.x and postgres 8.x. I've problem when trying to retrieve an instance of a class containing a java.sql.Blob field. I've tested outside spring (using Hibernate SessionFactory), it works fine and the content of my Blob is correct. I've debug my spring webapp and the properties of the Hibernate Session seems to be correct (autocommit=false). I ...

9. unchained transaction mode error for a named query call.    forum.hibernate.org

I am using Sybase 11 with Hibernate 3.05 and receive the following error when I try to execute the following code using a named query. try { Session session = HibernateUtilSimple.currentSession(); List acctStatusList = session.getNamedQuery("getAccountStatus").list(); logger.info("Size of List is : " + acctStatusList.size()); HibernateUtilSimple.closeSession(); }

10. could not inspect JDBC autocommit mode    forum.hibernate.org

Hi, I am facing a problem which is similar to this Code: Caused by: java.sql.SQLException: Connection handle is not currently associated with a ManagedConnection at org.jboss.resource.adapter.jdbc.WrappedConnection.checkStatus(WrappedConnection.java:539) at org.jboss.resource.adapter.jdbc.WrappedConnection.getAutoCommit(WrappedConnection.java:327) at org.hibernate.jdbc.ConnectionManager.isAutoCommit(ConnectionManager.java:185) ...

11. About the lock mode of SQLServer2005    forum.hibernate.org

12. "could not inspect JDBC autocommit mode exceptions"    forum.hibernate.org

This might not exactly answer your question but in general I have had weired experiences with Tomcat/DBCP mixes. Try to use another connection pool and see if that makes things better for you. In addition, many connection pools have an option that specifies a command, usually select 1, which can be used to see if a connection is still open. This ...

14. How can I don't use chained transaction mode?    forum.hibernate.org

I'm using hibernate 3.2.4 and SybaseASE 12.5.4 . It works well and I don't have a problem. But, DBA in my company said to me, "you always have several connections that are displayed as '$chained_transaction' state. I want it to disappear. " Hmm... I've searched long time in google and this site, but I cannot get answer. I think it related ...

15. How can I disable chained transaction mode?    forum.hibernate.org

I'm using hibernate 3.2.4 and SybaseASE 12.5.4 . It works well and I don't have a problem. But, DBA in my company said to me, "you always have several connections that are displayed as '$chained_transaction' state. I want it to disappear. " Hmm... I've searched long time in google and this site, but I cannot get answer. I think it related ...