ejb-3.0

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Different object of stateful session bean using SwingWorker in Java Swing

I have a have a custom progressbarpanel in Swing where I want to show the progress of a lengthy operation.[详细]

2023-04-02 07:11 分类：问答
Creating multiple instances of one MessageDriven Bean

I\'m using a MessageDriven Bean in two different applications, and I\'d like th开发者_如何学编程em to be separate instances using separate Queues.[详细]

2023-04-01 08:11 分类：问答
Delete database rows with EJB 3.0

I want to delete a row in a database, so i created an EJB that does it for me @Stateless(name = \"ejbs/AdminAcountEJB\")[详细]

2023-03-31 11:39 分类：问答
NoClassDefFoundError on JBoss5

Recently have been experiencing a strange problem on our JBoss5. After running our app for a while, the clients who call the EJB\'s start Throwing NoClassDefFoundError on some classes. After a restart[详细]

2023-03-31 10:44 分类：问答
ON DELETE SET NULL ON UPDATE SET NULL using JPA

How do i add ON DELETE SET NULL ON UPDATE SET NULL Constraint while creating the table using JPA . Below the entity definition[详细]

2023-03-31 03:29 分类：问答
Using a Singleton to create a default administrative account

I never used the @Singleton new feature of JavaEE 6 and i want to give it a try. I was thinking in creating s Singleton to just hold a password that will allow the app adiministrator(The person that[详细]

2023-03-31 00:22 分类：问答
How can I get in Glassfish 3 a log of what is injected and how?

Question title sums it up. However, to be a little more clear. I have EJBs scattered in my application, and I sometimes get exceptions like the following :[详细]

2023-03-30 16:51 分类：问答
EJB3 & How JAAS subject/principal is propagated to EJB Tier from servlet container?

I\'m trying to understand how the JAAS principal propagates to the Business/EJB tier from web tier. I\'ve read that the if the roles/realm is configured in login-config & security-context of web.[详细]

2023-03-30 16:04 分类：问答
EJB 3 Entities multiple columns same object reference problem

I have an entity A that have 3 attributes having reference to another entity B. From a relational POV, this is fine because I may have 3 different ids from table B stored as different columns in table[详细]

2023-03-30 15:53 分类：问答
Inheriting class annotations

Is there a way to make classes inherit an开发者_运维问答notations from a superclass ? e.g. @ApplicationException(rollback=true)[详细]

2023-03-30 14:53 分类：问答