bytecode « Core « JPA Q&A

1. Error : java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter.(I)V stackoverflow.com

Hiii.... I am developing small spring application. I have to store the details of the student information in the database. I have develop one simpleformcontroller.I have used ...

2. nHibernate and SQLite: Hibernate.Bytecode.ProxyFactoryFactoryNotConfiguredException stackoverflow.com

I am getting the following error at runtime: NHibernate.Bytecode.ProxyFactoryFactoryNotConfiguredException: An exception occurred in the persistence layer. at NHibernate.Bytecode.AbstractBytecodeProvider.get_ProxyFactoryFactory() Here is the config file:

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
  <session-factory >
  ...

3. hibernate org.objectweb.asm.classwriter stackoverflow.com

i get this error when i run my java application i work with hibernate :

java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter

and i added all jars of asm console:

12 mai 2011 09:57:53 net.sf.hibernate.cfg.Environment <clinit>
INFO: Hibernate ...

4. bytecode instrumentation leads to ClassCastException forum.hibernate.org

I am using Hibernat 3.3.1, and Hibernate JPA implementation to implemet EJB 3 application. I have a table (APPLICATION), which has a BLOB field (named ART) corresponding to an image file. My entity class is the follwoing @Entity @Table(name="APPLICATION", schema="TEST_OWNER") public class Application implements Serializable{ ..... @Lob @Basic(fetch=FetchType.LAZY) @Column(name="ART") private byte[] art; } and my sessionbean is the following @Stateless public ...

5. Hibernate bytecode provider stripping annotations forum.hibernate.org

public static T initializeAndUnproxy(T entity) { if (entity == null) { throw new NullPointerException("Entity passed for initialization is null"); } Hibernate.initialize(entity); if (entity instanceof HibernateProxy) ...

6. Problem with bytecode provider forum.hibernate.org

Newbie Joined: Tue Apr 13, 2010 6:14 pm Posts: 6 Location: El Salvador Hi to all, i have a problem, the problem is the next: I'm developing a JAVA application using Struts 1 and Hibernate 3.2 with DB Oracle. I've generated the entities without problems (using simple POJOS with xml mapping files). In Struts 1 i developed a component that initializes ...

7. Doubt about interception and instrumented bytecode forum.hibernate.org

I've an entity which I recently added a new blob property and I want only that property to be loaded lazily via interception, so I set the lazy attribute of the property mapping true and used the ant task (org.hibernate.tool.instrument.cglib.InstrumentTask) in order to instrument the bytecode of the entity, this is for example: Class Code: ... public class Category implements Serializable ...

8. After bytecode enhancement, any properties to set? forum.hibernate.org

9. Reflection better than bytecode generation ? forum.hibernate.org

Steve, Reflection is made up of two fundamental aspects - introspection and invocation. (google them) Any discussion of the performance of reflection that does not explicitly address these two aspects is so flawed as to be useless. Introspection is slow - it has to be, by it's nature. Invocation on the other hand, is actually not too shabby in Java. I ...

10. bytecode enhancing tools forum.hibernate.org

Hello, I receive the newsletter from aspectwerkz.codehaus.org, an AOP framework. One message mentioned, that aspectwerkz 0.10 and hibernate do not work together, when hibernate tries to enhance the bytecode. So the general questions I asked myself is: Is there a danger, that independent tools (which could theoretically become very powerfull together) are incompatible one to each other, since they cannot handle ...

11. Bytecode processing forum.hibernate.org

And now some completely different questions I've seen a lot of talks about bytecode/sourcecode processing and that one of these are needed for transparent persistence in an JDO 1.0 implementation. I'm a newbie in this game and I have som trouble fully understanding the meaning of this. I see that it will be optional in JDO 2.0, but what was the ...

12. requires build-time bytecode instrumentation??? forum.hibernate.org

13. Bytecode Provider forum.hibernate.org

14. What is/will be the preferred bytecode manipulaton library forum.hibernate.org

15. cglib property changed to bytecode forum.hibernate.org

Hi, I am new to hibernate. We upgraded hibernate to 3.2 recently. Since one of the property name has changed in 3.2 we changed the following line in our hibernate.cfg.xml files as follows: false to false However, in the logs we still see: Environment.java INFO Bytecode provider name : cglib Does this look like a problem? Any help will ...

16. Persist a property of type Class, bytecode forum.hibernate.org

17. Problem with bytecode instrument in Hibernate 3.3.1 GA forum.hibernate.org

Hi, I have configured many-to-one relations using lazy="no-proxy" and enhanced the class files using cglib. I have done this using hibernate 3.2.4 sp1. But I was finding some connection related issues using this. connections was not closed. I have found this is a bug in 3.2.4sp1. So I moved to Hibernate 3.3.1 GA. That connection close problem solved with this latest ...