Applications for Java

JSR-286 Now Posted

Java Portlet API version 2.0) spec has now been posted (see http://jcp.org/en/jsr/detail?id=286). According to a source close to the expert group, a holdup for about three months was a disagreement between IBM and Sun that has now been resolved.

The major changes in version 2 of the Java Portlet API are:

- Events - enabling a portlet to send and receive events and perform state changes or send further events as a result of processing an event.

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JRebel 2.1 Released Strolling with Struts

JRebel is a productivity tool for Java EE development. It enables your team to complete more features, fix more bugs, and release quality software on schedule and under budget by eliminating time-wasting build and redeploy phases. Your whole team can use the free 30-day evaluation.

We are proud to present JRebel 2.1, the "Struts" edition. The main features of this release are the reworked Struts 2.x plugin and the brand new Struts 1.x plugin that reload changes to Struts action mappings on-the-fly both from XML and Java 5 annotations. Developing Struts applications with JRebel is now easier than ever, as no restarts are necessary anymore.

This release also includes support for GlassFish v3 and the Felix OSGi container it is based on. According to this survey developers spend 13% of development time or 4.3 full-time weeks every year redeploying on the GlassFish v2 container. GlassFish v3 boasts improved startup time, but with JRebel you can take the cost of making a change down to zero.

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Five Myths About Older Developers

Dave, a Java developer, writes: I recently celebrated my 40th birthday. A friend joked, "Hey, guess that means you're too old to program anymore!" I laughed on the outside, but it gave me pause. COBOL guys faced this problem years ago as Java guys were ascending the ranks, and we laughed about legacy code and their inflexibility with new technology. Dave dispels 5 pervasive, negative myths about older software developers. He continues:

There are a number of myths about older software developers that continue to be perpetuated in IT and software development that somehow put older, experienced workers at a disadvantage in our field. But they're largely crap and considering the degree trends, ignoring everyone 40 and over because we're too old seems plain foolish. Let's debunk these myths one-by-one.

The myths in question are:

• Older software developers are more expensive than younger ones, making younger developers more desirable.
• Older software developers are less flexible and less capable of learning new technologies because of their legacy knowledge.
• Older software developers are less able to perform the arduous tasks of software development (read: work long, painful hours) because of family commitments and other attachments that younger workers don't have.
• Older software developers are less mentally agile than younger ones.
• Older software developers are more jaded and cynical and therefore, less desirable in the workplace than younger ones. Younger developers are more enthusiastic than older ones.

Whether you're approaching the 40-year old mark, or have already passed it, sooner or later you'll get a chance to test whether these myths are true. What do you think?

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Whatever Happened to Programming?

two insightful essays about programming today. Are we stuck in a tedious loop of gluing APIs together? What happened to the creative aspects of programming? Check out these thought-provoking essays!

Whatever happened to programming part 1 talks about how the most enjoyable part of a new project occurs early on, when things are just taking shape and the most creative effort takes place. Whatever happened to programming redux is a response to many comments he received so far, with more insightful commentary.

Here is a bit more background about Mike Taylor and the kinds of things he's up to.

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On TSS redesign

As you can see, TheServerSide has changed its appearance.  Most of the changes are on the web platform that holds the site. Over time, they will allow the editors to update the site with technical articles at a much faster clip. The community forums migrated - mostly intact - to the new platform as well, and they remain the heart of TheServerSide, the place where the community can learn and debate. The team is still tuning for better performance as we speak.

We are glad to get pointers on pages that render improperly.  Over the years the site used various ways of showing sample code, and our general site update could not account for all the means to show code. Moreover, we are still working out issues with our new platform, to enable it to present code samples more precisely.

We are glad of course for people to share their impressions on the overall site as well. The original design carried TheServerSide through many good years, has become familiar, and will be missed by many people. We hope the new platform will allow us to roll out new features at a greater clip too.

This is a big change in the look of the site - it is not a change in the mission of the site. That is: To provide trustworthy information on Java and related technology, and to provide the best Web forum for the same.  Those of you attending TheServerSide Java Symposium this week can easily find the site staff and tell us what you think and what you want to see, of course. For others, use any means to communicate. 

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Gosling focuses on Jave EE 6 in TSS JS keynote

James Gosling focused on updates in Java Enterprise Edition 6 (JEE 6) that speed Web application building.

Gosling, whose work to create Java pushed Sun Microsystems to the forefront of enterprise software development,  spoke at a time when attention centers anew on the programming language - this in the wake of Oracle Corp.'s purchase of Sun and an emerging trend that sees full-fledged J EE framework implementations competing with narrower Web application frameworks.

In his speech, Gosling described aspects of the Java Community Process as a "political nightmare." With JEE,  he especially touted improved ease of deployment. ''It is  completely different universe,'' he said of JEE 6.

Gosling, who served as Chief Technology Officer of Sun's Developer Products Group, and who now holds the title of CTO for Oracle's Client Software Group, said modularity in J EE comes from use of OSGi blueprints. ''One of the things that come out of this is a simpler way of packaging Web applications. It is also easier to plug into a management framework,'' he said.

''It completely changes the way you think about writing we applications. You don't have to worry about changing config files. Development becomes really fluid,'' he said.

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Transparent persistency - Pains, Illusions and a fresh approach

the whole application life cycle. Especially data access design is crucial for virtually every business critical application - and the best source for scalability, load and performance problems, high refactoring and integration efforts, project delays and finally lost business and customers. Funny how many people still base their projectsâ?? fate on solutions claiming to magically shield enterprise developers from the complexity of enterprise data access. We have seen too many projects running out of time and budget due to the unquestioned usage of data access frameworks, especially O/R mappers.

We have faced following problems with O/R mappers:

* The architects and developers have to know exactly when and how data is processed. Itâ??s dangerous to simply use OO data structures and let something handle the data transfer for them

* O/R-mappers come with extensive configuration models and one has to become an expert to use them effectively

* O/R-mappers are not located in the data access layer. They introduce aspects spanning many layers

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Red Hat releases updated SOA platform, developer studio

Red Hat recently updated two of its JBoss open source offerings.The company announced JBoss Enterprise SOA Platform 5.0. The 5.0 version includes an updated enterprise service bus (ESB), and a new rules engine. The ESB includes updated protocol listeners and management consoles. Red Hat also announced JBoss Developer Studio 3.0. The toolset is built on Eclipse 3.5 and includes new tools for data transformation. The 3.0 version also supports RichFaces, Spring, and Struts.

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TAU 2.19.1

TAU (Tuning and Analysis Utilities) is a set of tools for analyzing the performance of C, C++, Fortran and Java programs. It collects much more information than is available through prof or gprof, the standard Unix utilities, including per-process, per-thread, and per-host information, inclusive and exclusive function times, profiling groups that allow you to organize data collection, access to hardware counters on some systems, per-class and per-instance information, the ability to separate data for each template instantiation, start/stop timers for profiling arbitrary sections of code, and support for collection of statistics on user-defined events.

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Tapping into the crowd: How easy is it to get users to work for you?

Chatroulette might not be for everyone, but the randomly generated video chat site's runaway success is a developer's dream. Created by a 17-year old in three days, the site's user base has doubled every day since its inception.

The concept of getting users to grow a business was a popular topic at the BRITE conference on Wednesday. As Bill Joy, the co-founder of Sun Microsystems once put it:

"No matter who you are, most of the smartest people work for someone else."

At Columbia University, many speakers agreed the role of the consumer has changed. And increasingly, businesses that succeed today rely on their users to create and improve products. But most businesses would kill to be in the position of Chatroulette's founder Andrey Ternovskiy, who told The New York Times recently:

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Tags	education Testing Software Development Quality Assurance Benchmark
Licenses	Other
Operating Systems	Unix POSIX Linux Windows Windows
Implementation	C++ Fortran Java C Python

Chatroulette might not be for everyone, but the randomly generated video chat site's runaway success is a developer's dream. Created by a 17-year old in three days, the site's user base has doubled every day since its inception.

The concept of getting users to grow a business was a popular topic at the BRITE conference on Wednesday. As Bill Joy, the co-founder of Sun Microsystems once put it:

"No matter who you are, most of the smartest people work for someone else."

At Columbia University, many speakers agreed the role of the consumer has changed. And increasingly, businesses that succeed today rely on their users to create and improve products. But most businesses would kill to be in the position of Chatroulette's founder Andrey Ternovskiy, who told The New York Times recently:

Click Here to read more...

Tapping into the crowd: How easy is it to get users to work for you?

Chatroulette might not be for everyone, but the randomly generated video chat site's runaway success is a developer's dream. Created by a 17-year old in three days, the site's user base has doubled every day since its inception.

The concept of getting users to grow a business was a popular topic at the BRITE conference on Wednesday. As Bill Joy, the co-founder of Sun Microsystems once put it:

"No matter who you are, most of the smartest people work for someone else."

At Columbia University, many speakers agreed the role of the consumer has changed. And increasingly, businesses that succeed today rely on their users to create and improve products. But most businesses would kill to be in the position of Chatroulette's founder Andrey Ternovskiy, who told The New York Times recently:

Click Here to read more...