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Grid

This blog entry describes how WebSphere eXtreme Scale uses memory. This allows customers to better size how much memory they need when storing a large number of key value pairs in a grid.  The text is in my personal blog at this link.
on Oct 28, 2009

Open Source

SailFin V2 (Sun GlassFish Communications Server 2.0) is released today. See Srikanth's announcement and Prasad's roadmap entry. A number of new features have been added since we released SailFin V1 in January. These include high availability, rolling upgrade, flexible network topology, better over load protection, improved diagnosability, Java based DCR files for the load balancer etc. Diameter...
on Oct 27, 2009

Instant Messaging

In this edition, I am explaining, how to write a simple IM server using SailFin CAFE. If you have read my earlier blogs on SailFin CAFE (here and here) then there is nothing additional need to be done!. The same applications that supports 2-party calls or Conference application are already capable of handling IM between two users. package my.test;@org.glassfish.cafe.api.bean....
on Oct 27, 2009

Community

If you're thinking about attending the JSF Summit this December, now is the time to act. You can save $200 if you register before the final early bird deadline this coming Monday, Nov 2nd. The expert speaker lineup includes Ed Burns, Dan Allen, Neil Griffin, Stan Silvert, Matthias Wessendorf, Martin Marinsheck, Pete Muir, David Geary, Ted Goddard, and many more. We've got over 35 expert sessions...
on Oct 27, 2009

Databases

The W3C Social Web Incubator Group is organizing a free Bar Camp in the Santa Clara Sun Campus on November 2nd to foster a wide ranging discussion on the issues required to build the global Social Web. Imagine a world where everybody could participate easily in a distributed yet secure Social Web. In such a world every one will be able to control their own information, and every business would...
on Oct 26, 2009
Can you compile, deploy and test your Java EE projects with just 1 line of command? Check it out. I have no time for documentations lately, but I prefer to give you a chance to early adopt my build script and take your own conclusions. Following the steps below, you will have my Java EE 5 application running in your Glassfish v2.1 server - including test data populated in the MySql database....
on Oct 9, 2009

Web Applications

Just a short post to note that we've now shipped Mojarra 2.0.1. This version fixes a very serious bug when running on Tomcat. You can pick up the files from the usual places, see the release notes for more information. If you're using GlassFish, and already running 2.0.0 (you leading edge adopter!), there's probably no reason to upgrade - though the new v3 (b69) has the updated jar, and it will...
on Oct 23, 2009
The following topics and more will be covered in detail in my upcoming book with Neil Griffin, JavaServer Faces 2.0: The Complete Reference. Please enjoy this early access content! One challenging aspect of designing JSF 2.0 was how to standardize Facelets. We wanted to standardize only the minimum amount that would still allow developers get the job done. Initially, we did not include binary...
on Oct 15, 2009

Ajax

I've had a few requests for request aggregation, ala RichFaces queues, in JSF 2. This was deliberately not included in JSF 2.0, but it will be considered for JSF 2.1. The reason why is simple - there was simply not very much time, once all the base Ajax work was completed, to add any additional features. However, adding this functionality yourself isn't actually very hard. Here's an example...
on Oct 19, 2009
Unlike most of my blog posts, where I try to describe the easiest possible way to do things, in this posting, I'll instead go over a Java-based custom JSF component that responds to the Ajax tag. The reason being that there simply aren't any examples out there of how to do this, and at least two people have expressed interest in finding exactly out how this is done. I'd advise anyone...
on Oct 9, 2009
I've placed my slides for my JSF 2 and Ajax talk up on slideshare. Check 'em out, and ask questions in the comments.
on Oct 5, 2009

EJB

In the relentless fight against configuration boilerplate, JSF and Glassfish have taken yet another small step forward. As of Glassfish v3 build 68, you no longer need to declare the faces-servlet in WEB.XML. <servlet>   <servlet-name>Faces Servlet</servlet-name>   <servlet-class>javax.faces.webapp.FacesServlet</...
on Oct 19, 2009
We're less than two months away from the 2nd annual JSF Summit conference, co-sponsored by JSFCentral and the No Fluff Just Stuff Symposiums. The conference will take place December 1st-4th in warm, sunny Orlando, FL. We already have an all-star lineup of speakers such as Ed Burns, Matthias Wessendorf, Dan Allen, Ted Goddard, Keith Donald, David Geary and several others, covering every aspect...
on Oct 13, 2009

J2EE

Hope you have read my blog on "Writing your first SailFin CAFE Application". There I explained how to handle a 2-party call using SailFin CAFE. Now lets see how can you write a simple conference application. The application would accept the calls from any participant and if the participant is calling a conference id, then the application should use a media server, handle SDP, mix the voice,...
on Oct 18, 2009

Web Development Tools

I've posted the slides for the talk that Andy Schwartz and I did at Oracle Open World up on Slideshare. Check 'em out.
on Oct 14, 2009
How do you write a application that enables communication between two SIP phones? What if you also want to support video calling? If you are using SIP servlets, you would be writing one or two sip servlets (atleast a few hundred lines of SIP servlet code) to achieve this. But if you are using Sailfin CAFE, then things change quite dramatically. Here is the code to do all of the above, I...
on Oct 1, 2009

Web Design

In talking with Andy Schwartz before our recent talk together at Oracle Open World, Andy mentioned that he'd like to see some new components make it in to JSF 2.1. I'd like to see that too - but what new components? To aid the discussion, I thought it might be handy to make up a list of components that I think would be handy for JSF - but please, don't take this as an endorsement of any...
on Oct 14, 2009

Web Services and XML

Registration is one of most implemented use cases ever, but things get a bit different when you try to implement it in a RESTful Web-Service. Before I start the discussion about the registration use case, a list of terms for disambiguation: Application means a Java EE Application. (Arena-PUJ is the Java EE Application I am doing my REST experiments) Service is a RESTful Web-Service. (back-end...
on Oct 2, 2009

Servlets

X-Lite configuration is where users commonly make mistakes while using sailfin. Here are some tips that I use while using X-Lite. Remember, this is not a guide to using X-Lite with any VOIP provider, but these are tips to use X-Lite with a SIP application server like SailFin for trying out sample applications, testing your sip application etc. Most of these are very simple, but still........
on Sep 29, 2009

Security

This and the next series of blog entries will highlight the Top 10 most critical web application security vulnerabilities identified by the Open Web Application Security Project (OWASP). You can use OWASP's WebGoat to learn more about the OWASP Top Ten security vulnerabilties. WebGoat is an example web application, which has lessons showing "what not to do code", how to exploit the code, and...
on Sep 29, 2009