Environment « Transaction « JPA Q&A

1. hibernate transaction commit issue in high concurrency environment stackoverflow.com

I will explain my problem little bit in details. – i have following classes

jms listener which will listen on a queue and will have java 1.5 thread pool executor ...

2. object locking of entity bean instance in a SSBean[Environment: WebLogic 10.0, EJB3.0, Kodo/OpenJPA] coderanch.com

Hello friends, I am facing bottle neck with Object Locking for an Entity bean using OpenJPA Persistence Manager under Weblogic 10.0 application server deployments. I want to block [ for the specific method ] entity bean being accessed from other client programs when they invoke common method in a Stateless Session EJB. Particularly, Consider the situation: Client1: Modifying Customer entity with ...

3. object locking of entity bean instance in a SSBean[Environment: WebLogic 10.0, EJB3.0, Kodo/OpenJPA] coderanch.com

4. Transaction Management in Managed Environment forum.hibernate.org

Author Message cem Post subject: Transaction Management in Managed Environment Posted: Mon Oct 11, 2004 8:55 am Newbie Joined: Sat Oct 09, 2004 9:56 am Posts: 4 Currently i'm using; 1) Websphere Application developer 5.1.2 edition 2) Hibernate version: 2.1.6 3) Oracle 10g 4) Driver Oracle 10g XA thin driver (Managed Connection) I'm trying to use Hibernate's transaction interface ...

5. Interceptor in Managed Transaction environment forum.hibernate.org

6. "supports" transaction type in managed environment forum.hibernate.org

7. JTA and Standalone environment forum.hibernate.org

Newbie Joined: Wed Jan 21, 2004 10:09 am Posts: 13 Help! I've tried a bunch of things to get the below to work from a stand alone test case. I got most of my details from here: http://www.hibernate.org/282.html but I'm not sure how to setup the TransactionManager in a standalone environment - is this even possible? If not, anyone that is ...

8. Hibernate with CommandPattern in a JTA environment forum.hibernate.org

Expert Joined: Sat Jan 17, 2004 2:57 pm Posts: 317 Location: In the basement in my underwear We went to a CommandPattern with Hibernate over a year ago (2 years?)and it has been working really well for us, especially in a non-jta environment. Essentially, we wanted to be able to enforce units of work to be bound to a single session/transaction ...

9. SessionManager and Transaction in multi-threaded environment forum.hibernate.org

I'm trying to get an understanding of how the transaction context would work in a multi-threaded environment. I want to understand how to use it as well as how it's internally implemented (high level) if possible. So say I have two parallel threads and/or I want the transactional boundaries to span two separate requests (different threads). I don't know if SessionFactory ...

10. Hibernate recomended not to use cache with JTA environment forum.hibernate.org

11. in JTA environment, use of read-write or transactional secon forum.hibernate.org

Hi, what does this mean: No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) a) IF you are using JTA: don't use read-write or tx cache without telling me about the tx manager b) you ARE using JTA, don't use read write cache I am putting @Cache(usage=CacheConcurrencyStrategy.READ_WRITE) on top of some entities here, and ...

12. 'read-write' concurrency strategy in clustered environment forum.hibernate.org

Hibernate in Action says the read-write concurrency strategy is "available only in non-clustered environments". Is this true for any cache provider because of a fundamental reason in Hibernate or is the statement just referring to those cache providers that come with Hibernate? If the former, why is this? If possible I'd like to use the read-wite strategy with JCS cache. Thanks, ...

13. C3P0 deadlocks in production environment forum.hibernate.org

Configuration: C3P0 version: 0.9.1.2 Settings: 300 0 5000 300 300 2 Problem: Under heavy traffic on our production environment, we noticed a loss of connectivity to our DB from one of the components of our system. When looking at the logs, we saw that c3p0 was reporting deadlocks which we assume is what caused the ...

14. Configuring Hibernate with c3p0 in JTA\Tomcat environment forum.hibernate.org

I am trying to use C3p0 with Hibernate 3.2.5, Spring 2.5.1, Tomcat 6.0.16 & using JOTM for JTA support I've tried to follow the various guidance on configuring c3p0 with Hibernate but when I debug into Hibernate, I se that the InjectedDataSourceConnectionProvider is being ceated and used instead of C3P0ConnectionProvider. Here is a summary of my configuration settings, In tomcat I ...

15. BLOB - BYTE mapping in JTA environment causing SQLException. forum.hibernate.org

I have mapped the BLOB columns to byte[] as per the blog(http://hansonchar.blogspot.com/2005/06/oracle-blob-mapped-to-byte-in.html) and deployed in a JTA environment. Now this peace of code. Code: Query query = getSession(). getNamedQuery("LetterTemplate"). ...

16. JPA and transactions in a Java SE environment forums.oracle.com

Note 1: note that a JEE environment does not fix the problem of concurrent modifications; in an environment where the same entities could change multiple times a second from multiple threads you'd still need to do some synchronization magic at the service layer to let that happen without accidents. Note 2: in certain circles JPA itself (with server independent JPQL queries) ...