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J2EE 1.4 Specification Is Now Official

JSR 151 receives unanimous vote of approval: new SDK now available

Sun Microsystems, Inc., the inventor and leading advocate of Java technology, today announced that the Java 2 Platform, Enterprise Edition [J2EE] version 1.4 specification was approved by the Java Community Process (JCP) in an unanimous vote making it the industry's approved platform for Web services interoperability. This accomplishment for the Java community is marked with another Web services industry-leading move to license the new specification and its Technology Compatibility Kit (TCK) under special license to non-profit and Open Source projects. Apache.org and JBoss Group are demonstrating their commitment to the compatible J2EE industry, a key value proposition for the IT industry, by being amongst the first open source organizations to license J2EE 1.4 and TCK.

"With nearly 4 million downloads and over 30 licensees, the J2EE platform and Software Developer Kit (SDK) is establishing itself as the popular choice and premier platform for Java and Web services development," said Mark Bauhaus, Vice President of Java Web Services for Sun Microsystems. "The delivery of the J2EE 1.4 specification realizes the vision of an architecture that fuses Web services standards and the Java platform, and represents the most complete implementation of the WS-I basic profile that promises cross-vendor Web services interoperability."

Shared with a wide community of developers who contributed to the design of the J2EE 1.4 standard through the JCP, Sun brings to developers the best in Java Web services technology that is the first to support the Web Services Interoperability (WS-I) Basic Profile. The J2EE 1.4 specification also includes improved deployment and management capabilities to help developers accelerate time to market for their Web services applications. Complete information about the J2EE 1.4 specification can be found on the Web.

"We received a clear message from the J2EE community to provide complete support for Web services standards and interfaces," said Mark Hapner, Distinguished Engineer for Sun Microsystems and co-spec lead of the J2EE 1.4 specification. "Sun took this challenge and in collaboration with the J2EE 1.4 Expert Group, we believe we have delivered the most interoperable and standard Web services platform in the form of this important Java specification, Reference Implementation and Software Developer Kit."

Key Open Source Players License J2EE v 1.4

Taking advantage of open source license terms for J2EE 1.4 which Sun is making available for non-profit and open source projects, JBoss Group has licensed the J2EE specification and TCK to bring the benefits of Java compatibility to their open source communities for development and deployment. This will lead to increased adoption of J2EE through a broader community of developers and further popularize this premier middleware platform. The new licensing provisions were introduced by the JCP program through the JCP 2.5 process document and require that all Java specifications allow for development and distribution of compatible independent implementations, make specification products available separately and offer Technology Compatibility Kits (TCK) free of charge to qualified non-profits, educational organizations and individuals.

"As a member of the executive committee of the JCP, Apache is thrilled that JCP is meeting its promise as an forum for the development of industry-leading specifications that can be implemented by open source vendors." said Greg Stein, chairman of the Apache Software Foundation. "Apache is looking forward to completing and releasing an application server that is fully compatible with the J2EE specifications through our Apache Geronimo project. Working closely with Sun and leveraging Sun's support extended to us at no charge through the Compatibility Scholarship program, we are optimistic we will quickly deliver product to our communities of developers."

"As JBoss continues penetrating the enterprise market, proving its compatibility is becoming more important to our customers, ISVs and partners," said Marc Fleury, founder of JBoss.org and president of JBoss Group. "Achieving J2EE certification is part of JBoss Group's strategy to deliver Professional Open Source to the market. We look forward to a release of the first officially compatible version of the JBoss application server." Complete information regarding Sun's Compatibility Testing Scholarship Program can be found at http//java.sun.com/scholarship/. The J2EE 1.4 specification will be available on November 24, 2003. The J2EE 1.4 SDK that includes a J2EE 1.4-certified version of a fully-deployable application server from Sun (the developer release of the Sun Java System Application Server 8 Platform Edition) will also be available on November 24, 2003. The new SDK includes documentation and tools for developers to learn J2EE and get started with the J2EE 1.4 specification. It is available as a free download on the Solaris and Windows platforms at Sun's Developer Network site.

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Most Recent Comments
Fernando Lozano 11/25/03 01:08:17 PM EST

Hey, I rewrote a lot of code other programmers in my team did the way I understand you used (call finders everywhere and loop though collections) and with no exception they became orders of magnitude faster on our benchmarks and on the users point of view. Of course, you have to spend serious time tunning your O/R mapping to use the container lazy loading features, caching and so on.

Nomad Person Ltd. 11/24/03 03:17:26 PM EST

Well, before going too far down this path, remember that you''re getting a tiny, tiny snapshot of what the application does, and you''re making decisions about how well the application performs for its chosen function without any data.

Fernando Lozano 11/24/03 02:28:55 PM EST

Mr Nomad, I hope you realize the burden you''re putting on your database by not using CMR and "enforcing" relationships on session facades. To get performance from relational databases you have to let the server do the work and not take small bits of data and process them yourself.

I see many J2EE projects done this way, and they remember the old days of clipper: instead of using the power of a declarative language such as SQL, iterate over the data and do all processing yourself. Replace few lines of easily undestandable SQL statements with dozen lines of procedural code, dificult to maintain, and throw away any benefits the SQL execution plan optimizer could bring to you. Then people start complaining J2EE isn''t productive or fast. :-(

This remembers me another point of the standard I''d love to see finished by the JCP: the EB-QL language is yet too limited, forcing me to use vendor (proprieraty) alternatives to code my find/select methods, or to write SQL directly. At least, the standard should tell how a developer should provide the SQL code for these select methods when EB-QL is not enough.

I am very surprised nobody else complains about the current (and previous) state of CMP, CMR and EB-QL. Maybe few people out there understands the container shoud get the data, not the application code.

Nomad Person Ltd. 11/24/03 12:11:42 PM EST

For one thing, I use a simple schema and not CMR, because I still don''t think CMR has been done well yet. Relationships are enforced by session facades. Past that, there''s not much to it. CMR was one are where the spec didn''t go into enough detail to be useful.

Fernando Lozano 11/24/03 12:09:14 PM EST

So tell me what''s the magic that allows your CMP beans to be deployed, without changes, on any app server? Even Xdoclet doesn''t provides that (relationships still have to be coded on server-specific way).

Nomad Person Ltd. 11/24/03 12:03:29 PM EST

Surprisingly, CMP entity beans. And they''re working fine, thanks... even scaling well.

Fernando Lozano 11/24/03 11:59:57 AM EST

Mr. Momad, I guess you have not used CMP Entity Beans. :-) What are you using for persistence?

Nomad Man 11/21/03 01:20:31 PM EST

Mr. Lozano... I hate to tell you this, but I''m working on an application, based around the specs (I''m writing the deployment descriptors based on the published specs, literally) and deploying on three servers right now. This includes EJB, application clients, JMS. While I''m annoyed that there are issues with deployment based on the spec (primarily in classloaders), I''m able to compensate without too much trouble. The specs are workable, but incomplete.

Fernando Lozano 11/21/03 11:58:42 AM EST

Although the changes on the JCP reflected by the new J2EE standard are wellcome, I wonder why the JCP cannot finish this spec so I can deploy my EJBs on any app server on the market. If I use CMP entity beans I am tied to a vendor, J2EE specs do not tell how should the container map Entity beans to relational tabes, and I am stuch with a proprietaty, one-vendor-only mapping.

On the first release of the specs including CMP it was understandable: half a standar is better than no standard. But now this is unacceptable, but things are this way because vendors cannot give their customers real freedom to change them for another vendor and keep thinking on ways to lock customers to their products.

Many people are runnig away from CMP to JDO for this reason. They just get stuck with a proprietary product from another vendor, as the JDO specs also do not define the OO/Relational mapping descriptor.

So, please, JCP members, give us real, complete open standards, and not just "advertisement" standards.

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