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Archive for March, 2012

Making sense of EJB3.x Transaction Attributes – Part 1 (REQUIRES_NEW)

By ⋅ March 29, 2012 ⋅ 3 comments

For the previous past posts, I have dealth much with manual fine-grind transaction, mostly on the subject of Bean-Managed Transaction with javax.ejb.UserTransaction and I’ve talked about what were the differences between rollback() and setRollbackOnly(). Don’t be surprise that Container-Managed Transaction could achieve similar control over transaction if transaction demarcates are properly used. I am writting a series of linked-articles to address usage of @TransactionAttribute with TransactionAttributeType such as REQUIRES_NEW, MANDATORY, SUPPORTS, NOT_SUPPORTED and NEVER.
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EJB3.x JPA: When to use rollback() and setRollbackOnly()

By ⋅ March 23, 2012 ⋅ 4 comments

After JTA was introduced for more than a decade ago, then later with the introduction of Bean-Managed Transaction and Container-Managed Transaction in the J2EE 1.2 specs; still, there are many developers, especially those whom had just gotten their feets wet in the marvelous world of Java EE programming were confused when to and not to use the rollback() and the setRollbackOnly() method in the UserTransaction or the EJBContext class. Perhaps you may be coding fine grind transactional methods and have no idea why expections are all over the place and the rollback() or setRollbackOnly() just doesn’t seem to perform according to your expectation. You might think that both methods are the same (but its not). Is this the reason why you have landed on this page through google or through other web sources trying to shade some light?
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Data Transformation and Visualization with D3

By ⋅ March 20, 2012 ⋅ Post a comment

I came across this very unique, impressive, non-traditional and “refreshing” javascript data visualization API, which I think it is worth taking your time to explore if you are into areas of graphics and visualization.

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EJB 3.x JPA: Bean-Managed Transaction with javax.ejb.UserTransaction

By ⋅ March 19, 2012 ⋅ 2 comments

There are times when handling of data transaction requires a little craftiness where transaction begins, commits and rollbacks could not be a straight-forward one. This is the time when Bean-Managed Transaction comes to play for business process that requires some lengthy customized units of transaction.
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Previous Posts

MySQL Cluster NDB 7.2 on Solaris 10 Part 3 – Testing The Cluster

MySQL Cluster NDB 7.2 on Solaris 10 Part 3 - Testing The Cluster

September 22nd, 2012

We are back again to have fun with our cluster that we've setup written in our previous articles on [...]

MySQL Cluster NDB 7.2 on Solaris 10 Part 2 – Starting, Distributed Synchronized Users Management And Stopping The Cluster

MySQL Cluster NDB 7.2 on Solaris 10 Part 2 - Starting, Distributed Synchronized Users Management And Stopping The Cluster

September 18th, 2012

This is the continuation from the previous part of the tutorial MySQL Cluster NDB 7.2 on Solaris 10 [...]

MySQL Cluster NDB 7.2 on Solaris 10 Part 1 – How To Install, Setup and Configure

MySQL Cluster NDB 7.2 on Solaris 10 Part 1 - How To Install, Setup and Configure

September 18th, 2012

If you have landed on this page, we believe you might either had a bumpy ride in getting the MySQL c[...]

Quick Fix: How to Solve “Unable to read the logging configuration” on Netbeans7 with JBoss6

Quick Fix: How to Solve "Unable to read the logging configuration" on Netbeans7 with JBoss6

September 8th, 2012

This is just a quick fix post for those whom are having this problem when running JBoss 6.x with Net[...]

Making sense of EJB3.x Transaction Attributes – Part 4 (NEVER)

Making sense of EJB3.x Transaction Attributes – Part 4 (NEVER)

September 5th, 2012

This is the last part in the series of "Making sense of EJB3.x Transaction Attributes". So far, we'v[...]

Making sense of EJB3.x Transaction Attributes – Part 3 (Difference Between SUPPORTS and NOT_SUPPORTED)

Making sense of EJB3.x Transaction Attributes – Part 3 (Difference Between SUPPORTS and NOT_SUPPORTED)

September 5th, 2012

Oracle had extensively documented the behavior of each transaction attributes in the Java EE documen[...]

Making sense of EJB3.x Transaction Attributes – Part 2 (MANDATORY)

Making sense of EJB3.x Transaction Attributes - Part 2 (MANDATORY)

April 17th, 2012

In my previous post, we've discussed about TransactionAttributeType.REQUIRES_NEW: how it behaves and[...]

Making sense of EJB3.x Transaction Attributes – Part 1 (REQUIRES_NEW)

Making sense of EJB3.x Transaction Attributes - Part 1 (REQUIRES_NEW)

March 29th, 2012

For the previous past posts, I have dealth much with manual fine-grind transaction, mostly on the su[...]

EJB3.x JPA: When to use rollback() and setRollbackOnly()

EJB3.x JPA: When to use rollback() and setRollbackOnly()

March 23rd, 2012

After JTA was introduced for more than a decade ago, then later with the introduction of Bean-Manage[...]

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