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What are the main Performance issues in JBoss server?
What are the main metrics we have to monitor in JBoss Server?
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Business Method Request
How to find who has given request (caller) to Business method of your application(SLSB)
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EJB Deployment Process
Knowing that EJB encapsulates business logic in a web application, how does EJB actually do it in a application server ?
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Map Entity Bean Field with Oracle
How to map the Entity Bean field with Oracle?
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JNDI
Why is JNDI used.Do we have any alternative for JNDI?
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EJB local and home interfaces
Is there any special reason to write two interfaces in ejb(local , home interfaces ). why don't we write only one interface .
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Deployment descriptor
Why do we require to write a deployment descriptor (ejb-jar.xml) in an xml format ? why don't we write it in a java file ?
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If my session bean with single method insert record into 2 entity beans, how can I know that the process is done in same transaction (the attributes for these beans are Required)
If your method in the session bean is already running under a transaction the calls to any other bean which have been deployed with trans-attribute 'Required' will be executed within the same transaction context. So if your session bean is using container-managed transactions and your method is deployed with 'Required', 'RequiresNew' or 'Mandatory', you can safely assume that the calls to your entity...
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