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Is Open Source Dying? Case Not Proven

Michael Hickins recently published a piece on eWeek entitled Is Open Source Dying? The title drew me in, and no doubt plenty of other folk too. But the article doesn’t prove the case, although it contains some interesting points that merit discussion.

Most of the article concerns speculation about the experience of government with open source, and the motives of vendors such as IBM. I prefer to judge companies and individuals by their actions, rather than speculation about their motives, and there is plenty of evidence that IBM, for example, takes open source very seriously. There’s plenty of open source in WebSphere, for example.


Spring IDE 2.0 is Final

After fixing approximately 250 bugs and working uncountable hours on adding support for Spring 2.0, Spring Web Flow, Spring AOP and Spring JavaConfig, we are proud to announce the immediate availability of Spring IDE 2.0.

Spring IDE 2.0 Logo

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The release is available from our release update site. Spring IDE 2.0 is licensed under the terms of the Eclipse Public License - v1.0.

New Features

Spring IDE 2.0 contains lots of new features and a bunch of bug fixes. A list of all closed tickets is available in our ticketing system. For those of you that are not familiar with recent development of Spring IDE here is a short list of features included:


So should you still use Spring's HibernateTemplate and/or JpaTemplate??

I was reading an article by Vigil Bose on TSS the other day and saw the usage of the HibernateDaoSupport class. Since this is no longer a recommended way of using Hibernate from Spring, I thought I might as well just blog about it another time.

With the advent of Spring 2.0, it has become possible to start using the Hibernate Session API directly again. The question is whether or not it is wise to abandon the use of the HibernateTemplate when working with Hibernate, or any other template-based approaches Spring features.


Code samples from SpringOne 'Beyond the obvious' talk

Last week at SpringOne, Alef and I gave a talk on dealing with complex applications using Spring. Complexity in this case was considered both at the structural and dynamic level. As for the structural part of the talk, I covered that one in my previous blog posting. The dynamic part explained some possible solutions to deal with differences between your deployment environments. (testing, acceptance, production, etc.)
A lot of people asked me if I could provide them with the source of the demonstrations I gave during the talk. I’ve attached the sources to this blog entry and will explain briefly how this all works. Hopefully the talk itself will eventually become available on later this year, so you can get some more background information on the topic.


The Power of Batch

In the last session of SpringOne yesterday, Dave Syer, Scott Wintermute, Lucas Ward and Wayne Lund all presented on Spring Batch. I didn’t actually attend (since I had an early cab ride), but I stuck my head in and was yet again astounded by the amount of interest.

Back at JavaOne we had an immense amount of interest in this solution as well, with plenty of visitors calling by the booth to quiz us about batch.

It’s all too easy in this world of Ajax and Rich Internet Applications to forget that a large number (a majority maybe?) of large scale enterprise applications are batch-oriented. Batch is like the dirty little secret that Java tries to hide from the world - but no more!


Putting Spring Web Flow to a Load Test

Load testing a Web Flow application is similar to load testing any other web application – we’ll use a load testing tool to simulate increasing levels of concurrent client access in order to capture essential performance statistics.

With Web Flow there will be a couple of important considerations for the load test:

  1. The load test must maintain independent “cookie storage area” so each client request can carry an independent HTTP session.
  2. We need a mechanism for extracting the unique flow execution key from the initial response and use it to customize subsequent requests in the same flow session.

Spring Framework Certified on WebSphere

SpringOne is humming along nicely. This year it’s a 3 day show, up from 2 days last year, and once again it’s great to see hundreds of attendees at a Spring conference. For once I’m quite relaxed at a show, as after the opening keynote I have no further sessions, and don’t need to work on slides.

Right now, Adrian is preparing to make a major announcement about Spring tooling. Well actually he’s giving a uniquely personal take on duck typing, as I’m sure you’ll hear…

More about that later, but first I need to share some news from yesterday. I was happy to be able to announce that we have worked with IBM to certify Spring on IBM’s flagship WebSphere Application Server. As much of Interface21’s customer base is in large enterprises, we see a lot of WebSphere and have wanted to ensure the ideal integration for years. It’s good to see that IBM share this goal. Their commitment to the integration was also largely driven by customers, many of whom have adopted Spring and experienced great results with it. As Spring adoption has moved from project-by-project to strategic, such customers want to know that this combination is supportable and that both vendors are behind it.


Spring Framework 2.0.6 Released

Dear Spring Community,

We are pleased to announce that Spring 2.0.6 has been released.  Spring 2.0.6 is a bugfix and enhancement release in the Spring 2.0 series, addressing all issues reported since 2.0.5 and backporting various refinements from 2.1 M2 (e.g. compatibility with JRuby 1.0).

Spring 2.0 Released


Please see the changelog and JIRA roadmap for all the details of the issues addressed in this release.

Juergen Hoeller
Lead, Spring Framework Development
Interface21 -


Spring IDE 2.0 RC2 released

We are proud to announce that the last release candidate of Spring IDE 2.0 has been released. Read the announcement on the Spring IDE blog.

Spring IDE 2.0 Logo

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The release candidate is available immediately from our developer update site at Please take some time for testing and provide feedback on any errors, bugs or problems you might find. Many thanks to all that already provided feedback and bug reports. The feedback is really valuable for us.