Arun Gupta, Miles to go ...

Travel Plans for Q1 2008 - Fairfax, Little Rock, Orlando, Hyderabad, New York, Las Vegas

Here are my tentative travel plans for the next 3 months:

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Tango Overview - Now Translated in Chinese

"Project Tango: Adding Quality of Service and .NET Interoperability to the Metro Web Services Stack" - The original article, introduced here, provides an introduction to how different Quality-of-Service, such as Security, Reliability and Transactions are enabled in Metro. One of the core benefits of Metro is interoperability with .NET 3.0 and the article describes how that is baked in the Web services stack.

The same article is now available in Chinese at Sun Developer Network China. Thanks to the Globalization Team in China for completing this effort, and Zhen Tao in particular who did the translation!

Metro runtime is available as part of GlassFish v2 UR1 and tooling is available in NetBeans 6.

Let us know if you'll be interested in creating a localized version of this article.

Technorati: metro webservices tango glassfish netbeans china

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GlassFish, Metro and NetBeans @ Delhi University

Agraj, the newly recruited Campus Ambassador @ Delhi University, gave his first presentation to approx 100 students. And it was all about GlassFish, NetBeans and Web services. Here are some key points that he covered in his preso:

• Why NetBeans rocks over Eclipse ?
• Difference between Tomcat and GlassFish
• Web services 101
• Ease-of-Web services development and deployment with NetBeans and GlassFish integration

Technorati: campusambassador delhi netbeans glassfish metro

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Java SE 6 Update 4 is released - "Good Riddance" with JAX-WS Endorsed

Java SE 6 Update 4 is now released. Download it here.

If you are a Metro user (either JAX-WS or WSIT) then this is a milestone release for you because it includes JAX-WS 2.1 API in the rt.jar. This means that, as a user, you no longer you need to copy JAX-WS or JAXB API jars in JAVA_HOME/jre/lib/endorsed as described here, here and here. Hurrah!

After you have downloaded and installed JDK 1.6 U4, java -version shows:

java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode, sharing)

wsgen -version shows:

JAX-WS RI 2.1.1 in JDK 6

wsimport -version shows:

JAX-WS RI 2.1.1 in JDK 6

Additionally, you can also verify by greping for javax.xml.ws.Endpoint class in JAVA_HOME/jre/lib/rt.jar. This is a new class introduced in JAX-WS 2.1.

Now after you've installed Java SE U4, you can download Metro 1.1, set JAVA_HOME to point to this new Java SE installation and you can easily import a WSDL as:

wsimport -d temp http://localhost:8080/MetroWithJavaSE6/HelloService?WSDL
parsing WSDL...


generating code...


compiling code...

If you try to import the same WSDL with an earlier release of Java SE 6, then you'll see the error message:

You are running on JDK6 which comes with JAX-WS 2.0 API, but this tool requires JAX-WS 2.1 API. Use the endorsed standards override mechanism (http://java.sun.com/javase/6/docs/technotes/guides/standards/), or use -Xendorsed option.

We hope this will make your life simpler :)

Metro 1.0.1 is anyway baked in GlassFish v2 UR1. You can override it with Metro 1.1 as described in TOTD #21.

Technorati: webservices metro jax-ws glassfish endorsed javase6 jdk

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TOTD #21: Metro 1.1 with GlassFish v2 UR1 and NetBeans 6

Metro 1.1 was released last month. This blog describes how to install Metro 1.1 on GlassFish v2 UR1 (which comes with Metro 1.0.1 baked in) and use it with NetBeans IDE.

1. Download & Install Metro 1.1.
2. Download, Install & Configure GlassFish (detailed instructions)
   1. Download GlassFish v2 UR1.
   2. Install GlassFish by giving the command:
      
      ant -f setup.xml
   3. Set AS_HOME to the location of GlassFish v2 UR1 directory and install Metro 1.1 by giving the following command in Metro 1.1 directory:
      
      ant -f wsit-on-glassfish.xml install
      
      This will install the latest Metro 1.1 binaries in the GlassFish Application Server instance.
   4. Configure GlassFish in NetBeans 6 by going to the "Services" tab and right-clicking on "Servers" node and selecting "Add Server...".
3. Create a simple Metro Web service by following this tutorial. Create a Secure and Reliable Web service following screencast #ws7. The complete tutorial to add WS-* capabilities to your endpoint is available here.

These instructions can also be used to override Metro 1.0 that is baked in GlassFish v2 Final build.

Please leave suggestions on other TOTD that you'd like to see. A complete archive is available here.

Technorati: totd webservices metro glassfish netbeans

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Santa's Goodie Bag for Developers

Merry Christmas!

And guess what, Santa has been delivering gifts through out December:

• Roller 4.0 (Dec 5)
• JRuby 1.0.2 module on GlassFish Update Center (Dec 12)
• NetBeans 6.0 (Dec 12)
• GlassFish v3 Preview (Dec 13)
• JRuby 1.0.3 (Dec 15)
• jMaki 1.0.3 (Dec 17)
• GlassFish v2 UR1 (Dec 19)
• Metro 1.0.1 & 1.1 (Dec 19)
• JAXB 2.1.6 (Dec 19)
• Grizzly 1.7 (Dec 19)
• JRuby 1.0.3 module on GlassFish Update Center (Dec 20)
• Social Software on GlassFish Update Center (Dec 21)
• SailFin Milestone 3 (Dec 23)

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Metro 1.0.1 and 1.1 are now available

Metro 1.0.1 (integrated in GlassFish v2 UR1) ad Metro 1.1 are now released. Metro contain stable releases of JAX-WS RI and WSIT. Read Vivek's blog for more details.

Even though Metro 1.1 is a stand-alone release, it can be easily installed on an existing GlassFish instance (for example override on v2ur1). A later release of Metro 1.1 will be integrated in GlassFish v2.1. Metro Roadmap provides all the details.

Please send us your feedback on users@metro or Forum. A pleasant change that happened earlier today was that cross-posting was enabled between user's list and forum. So all the questions posted on user's list are cross-posted to Forum and vice versa. This enables wider audience for your questions and more engineers to respond back :)

Technorati: webservices metro jax-ws wsit glassfish v2ur1

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GlassFish @ Delhi University

I presented on GlassFish and related technologies (Metro, JRuby-on-GlassFish and jMaki) at the Department of Computer Science, Delhi University last week. The slides are available here. The talk was very well attended with approximately 120 students and 4 faculty members. The students were pretty excited and had great a interactive session.

Being an alumni of the school (many years ago ;), it was great seeing the new building of the department, meeting the faculty and interacting with the students. I reached there an hour earlier so that I can mingle with the staff and students and it was a lot of fun.

The department faculty proposed to use GlassFish instead of Tomcat for their next semester assignment. I believe this is a great move as it will allow the students to understand the simplicity and power of a great open-source and Java EE 5 compliant Application server.

I initiated the process of recruiting a Campus Ambassador from Delhi University and this will help establish a better relationship between this University and Sun Microsystems.

Here are the questions and answers that were asked during the session:

1. Amongst the different Java training courses, how do I decide which one to pick ?
   
   Sun Learning defines several Learning Paths for different Java technologies (EE, SE, ME, Web Services and Web 2.0). Pick an appropriate learning path depending upon your interest. In addition, Sun Training Catalogue (click on your country) shows different events conducted by Sun Learning in the local geogrpahy.
2. How does Sun make money with GlassFish being open sourced ?
   
   That's true, GlassFish is 100% open-source and totally free to use. The business model for Sun is that of selling support and services:
   • Support subscription starting from $4500 for 4 sockets.
   • Consulting & Training
3. What are the dis-advantages of GlassFish ?
   
   GlassFish provides an open source, production-quality and Java EE 5 compatible application server. It has world class performance ([1], [2]), .NET interoperable Web services stack, out-of-the-box clustering, load balancing and high availability support. However instead of identifying dis-advantages, here are some areas for improvement:
    
   • Feature-wise: The footprint for GlassFish v2 is higher than some non-full JavaEE containers (like Tomcat). This problem will disappear with GlassFish v3 which is small (< 100 kb), fast (starts up < 1 sec) and modular (load only required containers).
   • Ecosystem-wise
     • Community is not as well developed as Tomcat or JBoss because we have not been around as long. However the adoption is continuously increasing.
     • We are not yet as transparent as Tomcat, but we are more transparent than anybody else (including JBoss). Transparency will continue to improve in the future.
     • Our governance is still in transition.
4. Any comparison between NetBeans and Eclipse ?
   
   Why NetBeans ? explains the top reasons to use the NetBeans IDE. Some specific points are:
   • Consistent UI across all platforms where as Eclipse runs best on Windows
   • A friendlier environment for people who are new with links to sample apps and docs accessible from within the IDE.
   • An easy to use website with tons of quality docs and screencasts.

   Here are couple of more links that provide a comparison between the IDEs:

   • Move over Eclipse: NetBeans 6 rocks!
   • NetBeans vs Eclipse: this time with a attitude
5. What are the main features of Ruby as compared to Java ?
   
   A comparison of Ruby and Java is explained in this blog.
6. Why Ruby when there are many other languages ?
   • Ruby is getting popular due to Rails.
   • Ruby-on-Rails very popular among web developers.
   • JRuby is a pretty mature implementation of Ruby in Java, running on JVM and able to use existing Java libraries.
   • Complete deployment story on Solaris -- customer can chose native RoR or JRuby on Rails on GlassFish.
7. What is the difference between Tomcat and GlassFish ?
   
   Tomcat is a Servlet container that can host JSP and Servlets. GlassFish is a Java EE 5 compliant application server that includes implementation for a Web services stack (Metro), EJBs, Java Persistence and many others incuded in the Java EE 5 specification. In addition to this, GlassFish also provides out-of-the-box clustering, high availability and load balancing capabilities that are required for enterprise applications. Read more about Why use GlassFish ?
8. What does Sun offer to students ?
   
   The offerings are described in detail here.
9. What is java.net ?
   
   java.net is a premier web-based, open community created to facilitate Java™ technology collaboration in applied areas of technology and industry solutions. java.net is a central gathering place for Java technology enthusiasts and existing communities across industries, platforms, and interest groups. Read more about java.net in the FAQ.
10. How do I create a brand new jMaki widget ?
    
    This is explained in TOTD #20.
11. What are the main differences between GPL and CDDL ?
    
    A detailed difference between EULA, GPL, CDDL and BSD in terms of copyright and patent rights is explained here.
12. What are the different options of doing a collaborative research in association with Sun Microsystems ?
    
    The Collaborative Research program is explained here.
13. What is the difference between GlassFish v2 and Sun Java System Application Server 9.1 ?
    
    There are three key differences:
    • Commercial Support (more here)
    • Indemnification
    • Sun brand

    The detailed differences are highlighted here.

14. What are the different ways GlassFish can be configured in NetBeans ?
    
    Two ways:
    • If you download a full version of NetBeans IDE then GlassFish comes pre-bundled and is installed for you.
    • You can configure an existing GlassFish installation on your machine in the Services tab. If the Services tab is not visible, then select "Windows" menu item and then "Services". Right-click on "Servers", select "Add Server...", select "GlassFish V2" in the "Choose Server" dialog box. Click on "Next" and follow the instructions.

The complete album is here:

Technorati: conf glassfish webservices metro ruby jruby jmaki web2.0 delhiuniversity delhi netbeans q&a

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Screencast #WS8: Tango with NetBeans 6

David Coldrick recorded a screencast for Australian Developer Days. The demo shows how NetBeans 6 allow Web services to be easily created and deployed on GlassFish.

It is similar to screencast #ws7 but good to see somebody else creating these videos :)

Technorati: screencast glassfish webservices metro tango netbeans

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GlassFish Book Review

A book on GlassFish: "Java EE 5 Development using GlassFish Application Server" by David Heffelfinger, was released last month. The publisher sent a courtesy copy for review, thank you for that. I read good part of the book on my several flights in past two weeks. First of all, I'd like to thanks the author, publisher and rest of the team for writing this book. Overall I liked the book because of it's simplicity and a good flow through out the book. This is a great book for first timers!

Here are some of the points that I'd like to highlight:

1. Community is a very strong aspect of GlassFish. And "Who's Who ?" of this book endorses that point. The Author, Reviewer, Editor or anybody else is not involved with Sun. That is a good community feeling and we hope to see more books on the similar lines with a different perspective.
2. The GlassFish-specific notes sprinkled through out are very helpful. Even though the book is mainly about Java EE 5 concepts but the notes allow to think from GlassFish perspective. For example, there are GlassFish admin console screenshots at relevant points.
3. The book uses simple English to explain the concepts. The flow of the chapters is easy to understand and very good for the Java EE 5 first timers. This is very clearly marked in the beginning sections of the book which says "This book is aimed at Java developers wishing to become proficient with Java EE 5, who are expected to have some experience with Java and to have developed and deployed applications in the past, but need no previous knowledge of Java EE or J2EE. It teaches the reader how to use GlassFish to develop and deploy applications."
4. Some book authors take the approach of building a complete application from scratch and explain the concepts using that application. This approach typically requires to understand the application and the actual technology details may get lost. I personally like the Hello World approach with small and simple samples. This book follows that approach and I personally feel it's more beneficial where the readers can focus on the technology.

Here are some potential improvements:

1. The first chapter provide a very simple explanation of GlassFish installation with different screenshots. The different alternatives to deploy and undeploy an application are discussed in very simple language. However only the asadmin-way to create JDBC connection pools & resources is explained. It would be nice to provide asadmin commands to do the same tasks as well.
2. NetBeans and GlassFish integration is explained in 2 pages only. The NetBeans IDE provides a much tighter integration with GlassFish including deploying/undeploy apps, monitoring and configuration. Multiple screencasts and docs explain that relationship already but it would be nice to provide a slightly more detailed overview in this book. OTOH, Eclipse integration is still using an older version of Eclipse. The screencast #ws6 shows how Eclipse 3.3 can be used to integrate GlassFish and create simple applications.
3. I understand the time/resource balance but feel the Web services chapter is pretty minimal. It merely introduces the basic Web services support in GlassFish and does not talk about about any of the Security, Reliability, Transactions and .NET 3.0 interoperability. Anyway, you can find the details in tutorial and numerous screencasts about Metro (the Web services stack in GlassFish).
4. A minor nitpick - The GlassFish on the book's main page is looking right where as the GlassFish logo is looking left.

Send feedback to feedback@packtpub.com, making sure to mention the book title in the subject of your message.

In a nutshell - Great book, must buy for first timers, buy your copy here.

Happy reading!

Technorati: glassfish book eclipse netbeans webservices metro

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New Java Web Services Instructor-led Training Courses

New Instructor-led classroom training sessions on Java EE 5 Web Services are now available.

• Creating Web Services Using Java Technology (course #DWS-3111-EE5)
• Designing Java Web Services (course #DWS-4112-EE5)
• Developing Secure Java Web Services (course #DWS-4120-EE5)

These courses teach how to design, implement, deploy and maintain Web services using Java EE 5 platform. NetBeans 5.5 IDE and Sun Java System Application Server Platform Edition 9.0 (GlassFish v1) are used to perform the lab sessions. If the existing schedule does not meet your request, then click on "Request A Class" button.

Stay tuned, new courses based on GlassFish v2 are being developed and will be released soon. In the meanwhile, enjoy screencast #ws7 that shows how to create, deploy and invoke a Secure and Reliable Web service using NetBeans 6 and GlassFish v2.

View the entire Java Web Services learning path.

Technorati: webservices glassfish training learning course metro netbeans

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Metro, jMaki & JRuby/GlassFish Q&A from a Preso - Toronto & Montreal

I presented on Metro, jMaki and JRuby-on-GlassFish at a partner meeting on Nov 21 in Toronto and Montreal (yeah, both cities in the same day). That makes it 3 cities (the first one being Seattle) total for now!

I've given multiple talks all over the world to different types of audience but this was my first experience in terms of talking for 3 hours in the morning, flying to another city and then repeating the sessions. GlassFish (both v2 and v3), NetBeans IDE and Windows Vista behaved properly through all the demos. And my talks are typically demo intensive so it was fun! I enjoyed the overall experience (talking, demos, flying) :)

As always, the fun part was interaction with the audience and I always learn something new every time. And, in order to share the knowledge with you, here is the consolidated list of questions from both the cities:

1. How much Ajax/jMaki support is available in Portal ?
   
   The Portal Pack plugin for NetBeans can support JMaki 1.0 for building JSR 168 or JSR 286 portlets that use jMaki widgets. There is no other explicit support on the Portal server for JMaki.
   
   The portlets using jMaki widgets can be deployed on the Sun Portal Server and they should work without any issues. The only catch is that a slight configuration is required to get these portlets to work with the Portal's Ajax container. This is to work around the cross-domain Ajax restrictions of the browser.
2. What is the frequency of adding wrappers of newer version of toolkits, specifically Dojo toolkit ? Can I add/create the wrappers myself ?
   
   Frequency depends on the toolkits. Dojo revs about every 6 months with the first major rev just last month. Anyone can create and add wrappers to the palette in NetBeans as explained here. Adding to Eclipse is on a per-web app basis and it will be enabled on palette-basis in the near future.
3. What level of browser support is available for jMaki, especially for the ones that are not mainstream ?
   
   Here is the list of supported browsers from jMaki's website:
   • IE 6 and 7 on Windows XP and Vista
   • Firefox 1.5 and 2.x on Solaris, Linux, Windows XP/Vista
   • Safari 2.x and Firefox 1.5 on Mac OS
   
   Unofficially jMaki runs on:
   • iPhone
   • Opera 9.2+
   • Opera Mobile
   • Older versions of Netscape

   Although the jmaki framework will work on these browsers some widgets may not work (such as those that use SVG) depending on the browser.

4. When will a .NET version of jMaki be available ?
   
   If the demand is great we will be more than happy to work to make a version available. The greater the demand the sooner we could do this. If there is interest in the developer community on starting work on a .NET version we could accelerate this process. Please file an RFE if you are interested.
5. Can the jMaki widgets be rendered to Flash ?
   
   Absolutely. We previously used some Flash Yahoo Maps and we use Flash for Sound. We are looking at having more media based widgets and it's only a matter of hours in the day that are slowing us down.
6. Does jMaki work with Ajax4J and DWR ?
    
   jMaki works fine with DWR find a sample app here:
     https://ajax.dev.java.net/servlets/ProjectDocumentList?folderID=6977&expandFolder=6977&folderID=0
   
   As for Ajax4JSF (Ajax4J seems to not be active) we should work fine as jMaki widgets can be exposed as fully qualified JSF 1.1 or dynamic faces components. We also work with Facelets (see the jMaki samples for more).

And now for the Metro session:

1. Is there any tooling for adding Security, Reliability and Transactions for Contract-First development ?
   
   Yes, this is explained here.
2. Can the apps using JDK 1.4 as the deployment environment use any of the Metro capabilities ?
   
   Yes and No :) No because Metro programming model uses annotations heavily and that feature is available in Java SE 5 onwards. Yes because once the production environment is upgraded to Java SE 5 (it should work because of backwards compatibility, always good to check though ;) then you can develop your applications using the JDK 1.4 and deploy them on the upgraded production environment.
3. How the Web service messages generated by Metro be logged ?
   
   The different options to log Web service messages in Metro are explained here.
    

And finally for the JRuby-on-GlassFish session:

1. Other than simplicity and productivity, why should I use JRuby or Ruby at all ?
   
   Rails is the main reason for Ruby to gain popularity. And JRuby provides the simplicity of Ruby along with power of Java libraries.
2. Can the number of JRuby instances created by GlassFish be configured ?
   
   Yes, it can be configured as defined here.
3. With JRuby 1.0.2, there are significant performance differences between Ruby, Java and JRuby. What is being done to address that ?
   
   The recent releases of JRuby are much more better performing so it's recommended to use a more recent release. And with some JRuby Performance Tweaks the performance is at par with C Ruby (MRI). Also see JRuby on Rails Fast Enough for performance benchmark results.

Feel free to ask any other questions in Metro Forum and jMaki Forum or GlassFish forum or JRuby user list.

Technorati: conf webservices metro jmaki glassfish jrubyonglassfish ruby jruby netbeans web2.0 q&a

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TOTD #19: How to Add Metro Quality-of-Service to Contract-First Endpoint ?

This TOTD explains how to add Reliability and Security to a Contract-First Endpoint using NetBeans IDE.

In the Contract-First, the contract, i.e. the WSDL, is defined first as opposed to starting from Java. The Metro programming model starts with a Java Service Endpoint Interface (SEI) and uses Web Service Designer to specify Security, Reliability and Transactions support. This blog uses the WSDL bundled with the fromwsdl sample of Metro download and adds Quality-of-Service attributes to it.

Here are the steps to enable Reliable Messaging to Contract-First endpoint:

1. In a new Web project, right-click and select "Web Service from WSDL..." as shown below:
   
   
2. Specify the Web Service Name, package name and chose the location of the WSDL as shown below:
   
   
   
   The Web Service port name is chosen for you. Alternatively, you can click on "Browse..." button next to "Web Service Port:" and select the appropriate port.
3. Click on "Finish" and the Web Services Designer is shown as shown below:
   
   
4. Right-click on the Project and select on "Undeploy and Deploy" to deploy the project.
5. Expand the "Web Services" tree, select the newly added Web service and right-click on "Test Web Service". The Tester page is shown in a browser with links to the packaged WSDL file and text boxes and buttons to invoke the Web service.
6. In the Web Services Designer, select "Reliable Message Delivery".
7. Right-click on the project, select "Clean" to clean all the generated files. Again right-click on the project and then select "Undeploy and Deploy" to deploy the project again.
8. As in step 5 above, test the Web service. The packaged WSDL now contains the appropriate policy assertions and Reliable Message Delivery is enabled on the endpoint.

As described in screencast #ws7, Security can be added to a Contract-First endpoint using the steps listed above.

Please leave suggestions on other TOTD that you'd like to see. A complete archive is available here.

Technorati: totd glassfish webservices netbeans metro wsdl reliability contractfirst

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TOTD #16: Optimizing Metro Stubs by locally packaging the WSDL

When Metro stubs are used to invoke a Web service endpoint, two invocations are made over the network - one for retrieving the WSDL and the other for sending the request message.

The second invocation is easy to explain because that's when the actual message is sent to the endpoint.

The first invocation to retrieve the WSDL is necessary because the generated stubs contain only the portable method signatures and annotations. All the binding specific information, such as quality-of-service policy assertions, are retrieved at the runtime. This approach was taken because of two reasons:

• All the binding information cannot be captured in the generated stubs
• Quality-of-service may change between the stub generation and actual invocation.

However if the WSDL is not expected to change then you can consider locally packaging the WSDL with the client. In this case the locally packaged WSDL, instead of accessing over the network, is used to retrieve the binding information.

Metro runtime is integrated in GlassFish and can also be installed on Tomcat. Vivek explained the several Tooling options with Metro - NetBeans IDE being the most comprehensive.

Several screencasts are available to get you started with Metro.

Please leave suggestions on other TOTD that you'd like to see. A complete archive is available here.

Technorati: webservices metro glassfish netbeans performance totd

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Sun Tech Days Beijing - Day 1 Report

1500 developers kick started 10th anniversary Tech Day event at the Beijing International Convention Center earlier today.

Joey Shen, Angela Caicedo, Doris Chen and Chuk Munn Lee demonstrated Swing/Java2D, Sun SPOTs, jMaki and JavaFX demo respectively as part of the demo showcase. All the demos were really good and showcased different technologies from Sun. I personally liked Sun SPOT demo which showcased how Robosapiens can be easily controlled using the JVM. It very well resonated with "Internet of Things" that Lionel Kim (President Greater China and COO APAC Sun Microsystems) mentioned in his keynote earlier in the morning.

According to Lionel, there are three factors driving global innovation:

• Web.next - The key point here is that currently the major producer/consumer of content on the Internet are people. But very soon it'll be an Internet of things where different "things" are interacting on the Web fueled by all the innovations happening in Web.next.
• Age of the startups - Facebook valued at $ 15 billion has already changed the current landscape and similar companies are going to drive the needs for next generation.

• Rise of communities - Time magazine awarded YOU (community) as Person of The Year award for 2006. And that indeed is the most important factor in driving innovation.

Carla provided a great coverage of Jim Hughes keynote (during which I was busy with local translators for my upcoming session :) This is the 10th anniversary year of Tech Days and we celebrated by cutting a birthday cake. There is lot of backstage work (audio, video, rehearsal, logistics and all sort of things) that often goes unnoticed and some of the photographs below highlight that work.

Right after the keynote, I gave a talk on "Java EE5, GlassFish and Their Future" and the slides are available here. It was great talking about GlassFish to a 560 capacity room full of audience. Leon showed a demo of localized version of GlassFish and how it can be configured in a clustered environment. Jim Jiang offered to give away 10 copies of his recently published book on GlassFish. You can order it online here. Jim Jiang and Wang Yu are the primary authors with content contributed from Jason Huang, Ada Li, Liang Ye and Evrin Yan. It was great meeting most of these individuals face-to-face. If you missed being one of the lucky winners of the book, then attend GlassFish Day on Saturday, Nov 3 and there will be many more copies distributed.

I also attended Chuk's talk on Metro and REST. He really presented the concept very well and it was fun seeing somebody else present Metro :)

I spent rest of the day talking to people on the GlassFish booth. Once again, Jim Jiang helped me connect with the local audience. I'll prepare a summary of the  questions and then provide answers to them in a subsequent blog. In the meanwhile, here are some links for you to get started:

• GlassFish Multi-lingual download
• TheAquarium in Chinese
• GlassFish Forum

The evening ended with Yanjing Beer and Beijing Duck dinner. And as always, enjoy the pictures from through out the day:

Follow the complete coverage in Sun Tech Days Event blog.

Technorati: conf suntechdays metro webservices jmaki web2.0 glassfish netbeans beijing

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