Category Archives: JBoss Interview Questions

What is the diffrence between a local-tx-datasource and a xa-datasource? can you use transactions in both? | JBoss Questions

A local-tx-datasource identifies a data source that uses transactions, even distributed trans actions within the local application server, but doesn?t use distributed transactions among multiple application servers. An xa-datasource on the other hand identifies a data source that uses distributed … Continue reading

Posted in JBoss Interview Questions | Leave a comment

What do you need to set-up a cluster with JBoss? | JBoss Questions

Basically starting JBoss with the ?all? configuration contains everything needed for clustering: It has all the libraries for clustering: JGroups.jar, jboss-cache.jar Clustered beans (cluster-service.xml) HA-JNDI HTTP session replications (tc5-cluster-service.xml) Farming HA-JMS

Posted in JBoss Interview Questions | Leave a comment

What optimization could I use if the EJB container is the only point of write access to the database? | JBoss Questions

You could activate the “Commit Option A” that is the container caches entity bean state between transactions. This option assumesthat the container has exclusive access to the persistentstore and therefore it doesn?t need to synchronizethe in-memory bean state from the … Continue reading

Posted in JBoss Interview Questions | Leave a comment

Which component handles cluster communication in JBoss? | JBoss Questions

The JGroups framework provides services to enable peer-to-peer communications between nodes in a cluster. It is built on top a stack of network communication protocols that provide transport, discovery, reliability and failure detection, and cluster membership management services.

Posted in JBoss Interview Questions | Leave a comment

Is it possible to put a JBoss server instance into multiple cluster at the same time? | JBoss Questions

It is technically possible to put a JBoss server instance into multiple clusters at the same time, this practice is generally not recommended, as it increases the management complexity.

Posted in JBoss Interview Questions | Leave a comment

What do you know about Seam? | JBoss Questions

Built on the standards JavaServer Faces and EJB 3.0, JBoss Seam unifies component and programming models and delivers a consistent and powerful framework for rapid creation of web applications with Java EE 5.0. Seam simplifies web application development and enables … Continue reading

Posted in JBoss Interview Questions | Leave a comment

Does Seam run on other application servers besides JBoss? | JBoss Questions

Seam runs beautifully on other application servers – just like everything else the Hibernate team does, this is not a JBoss-only thing.

Posted in JBoss Interview Questions | Leave a comment

Which JDK is needed to run Seam? | JBoss Questions

Seam only works on JDK 5.0 and above. It uses annotations and other JDK 5.0 features.

Posted in JBoss Interview Questions | Leave a comment

How would you convince my IT department to adopt SOA? | JBoss Questions

In my opinion one of the biggest obstacle in the movement towards SOA adoption is the organization?s own IT department.Too many people in the IT organization conceive SOA as a technology concept only, and as such think of SOA as … Continue reading

Posted in JBoss Interview Questions | Leave a comment

What do you think about BPEL and BPM ? How do they compare? | JBoss Questions

In my opinion BPEL and BPM are quite different things so they cannot even be compared. The problems boils down to the fact that these years maybe BPEL has been marketed for something which isn’t: that is a Business Process … Continue reading

Posted in JBoss Interview Questions | Leave a comment