File size from ejb 2.1
How can I find the size of the file/directory from an ejb. I understand access of system resources are not allowed according to the ejb specification. But is this an rule. ...
ejb-2.x
case-insensitive search in EJB QL
Hello, This looks really simple and I can't believe I haven't found a solution myself. I have a bean named PersonBean, which has a name. Now I want to write a finder method that takes a string and looks for people with that string in their name, case-insensitively. Here is my current EJB QL: SELECT OBJECT(p) FROM Person p WHERE (p.name...
How to access remote EJB 2.1 bean on JBoss 4.x from outside container
I've got a session bean, defined in an ejb-jar.xml and jboss.xml. It's defined with an ejb-name, remote and home interface and an implementation. When I fire up JBoss and view the JNDI tree the home interface seems to be there under the JNDI name of the ejb-name (I've tried defining jndi-name and local-jndi-name in the ejb-jar.xml with ...
CMP 2.0 bean auto-generated primary key WAS 6.1
Hello Community, is it possible to map bean's key field with identity primary key column in DB2? Sample table: CREATE TABLE ADDRESS ( ID INTEGER NOT NULL GENERATED BY DEFAULT AS IDENTITY ( START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 NO CYCLE CA...
Why do people design EJB2 which is difficult to write and deploy?
Many J2EE developers know that EJB2 forces them to write 'useless' Home interfaces. In addition, deployment XML are different among application servers. So I don't know why EJB2 is part of J2EE specification for many years? Any non-technical interest are concerned? ...
Moving from jboss 3.2.1 to jboss6
Now we have a project with java 1.4 and ejb 2.1 running on jboss 3.2.1. We are trying to update up to java 6 and ejb3.1, but we are doing it in steps. So my question is simple, can we use ejb2.1 on jboss6? ...
Testing EJB2.1 to EJB3 migration
We would like to migrate an application written using EJB2.1 beans (both Entity and Sessions beans) to EJB3 to improve on maintanance and use new features in the EJB3 spec. How would we do the migration and give the users the guarantee (if any) that the migrated system still works just as the old one. The original app didn't have test c...
Null Pointer exception in ejb 2.0 while referring a local beans home interface
Hi Guys I am just trying out examples of entity beans. I am using JBOSS 4.0.0, EJB 2.0, MyEclipse 8.6. Reason for using JBOSS 4.0.0 and EJB 2.0 is just for learning sake. I am reading head first book. In the process help me if I made any mistakes. I wrote a build file using ant to deploy this in deploy directory of JBOSS. Don't know whe...
EJBs 2.0 on OpenEJB - Where do I put the needed jars?
Hi everybody. We've been using WAS 6.1 so far to deploy our web apps. Now we need to migrate to an economics-savvy Tomcat + OpenEJB solution. The OpenEJB 3.1.2 container is plugged into Tomcat 6.18, no standalone OpenEJB server here. So here I am, trying to deploy my EJB 2.1 objects into OpenEJB... My problem is that the EJBs code req...
How to remove EJB2.1 Stateless session bean
Greetings all, I have a question: How to remove an EJB session bean (especially Stateless beans) ? There's of course remove() method, however it cannot be called while the session object is in transaction i.e. session bean A is called by another session bean B in it's business method. ...
Does it make sense to use QueuedPessimisticEJBLock and optimistic-locking simultaneously?
I'm working on a J2EE application where the EntityBeans (EJB 2.1) are using the container configuration "Standard CMP 2.x EntityBean" which uses the locking-policy QueuedPessimisticEJBLock: <container-configuration> <container-name>Standard CMP 2.x EntityBean</container-name> ... <locking-policy>org.jboss.ejb.plu...