I just extended Quercus to support the new core language features of PHP 5.4. The changes are currently in our subversion repository and should be in our next release: 4.0.34. Traits, new in 5.4, was a bit of a pain to implement because of all the weird edge cases (i.e. __CLASS__, insteadof, as). Here’s a list of what’s new:

• traits

  <?php
  
  trait T0 {
    function foo()
    {
      echo "inside T0->foo()\n";
    }
  }
  
  class A {
    use T0;
  }
  
  $a = new A();
  $a->foo();
  
  ?>
  

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Today is my (Emil Ong’s) last day at Caucho. I’ve been with the company for over 4 years and seen it grow and evolve in incredible ways. I’ve reluctantly decided to move on to take some personal time and pursue some of my hobbies outside of software development.

I hope everyone in the Caucho community will stay tuned in for the exciting developments coming up in Resin. I’m particularly excited about 1) Java EE 6 Web Profile compliance being just around the corner, 2) the new cloud features which are incredible and unique in the industry, and 3) the administration and monitoring tools coming out soon that are not only pretty :), but also amazingly useful for runtime management and development.

Finally, I’d like to thank Scott Ferguson for teaching me valuable lessons about how to be an engineer (before Caucho, I was purely a computer scientist), Steve Montal for his kindness and encouragement, Theresa Nguyen for her enthusiasm and keeping me on my toes, and the rest of the Caucho staff for their support over the last few years and during this transition.

Best wishes to Caucho and the Caucho community!

Sincerely,
Emil Ong

PS For anyone who would like to keep in touch with me personally, my Caucho email (emil @ caucho.com) will be active for about a week or so, so you can contact me there for my contact info.

We at Caucho are very excited in working steadily towards getting Resin certified on the recently finalized Java EE 6 Web Profile. Along with GlassFish and JBoss, we are aiming to provide one of the earliest solid implementations for Java EE 6. In fact, Resin is the only major application server focused solely on delivering a very lightweight implementation targeting just the Web Profile.

This blog entry briefly discusses the Java EE 6 Web Profile, what it offers and how it fits with the lightweight development philosophy of Resin as well as the details of our implementation including Resin extensions to the Java EE 6 Web Profile.

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For version 4.0.1, we have added Quercus compilation support for other application servers including Tomcat, where before the interpreted mode was only available. The compiled mode is significantly faster than the interpreted mode (though the interpreted is still quite speedy compared to PHP on Apache). Quercus compilation will also work on Google App Engine, but there’s a requisite that files be pre-compiled.

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The nice folks organizing the Google I/O conference have given us an extra day to demo Quercus on the App Engine, so Nam and I’ll be there both Wednesday (12-6pm) and Thursday (12-4:45). It’s perfect timing too, because Nam has just finished an incredible demo that goes way beyond my meager efforts. He’ll be writing up a blog post about it soon, so I’ll have to just leave you in suspense until then…

The folks at Google were so kind as to invite us to do some demos at this year’s Google I/O! Nam and I will be in the Developer Sandbox doing hands-on demos and talking directly to developers, so if you’re attending, you’ll get the chance to ask us one-on-one about how to use Quercus on the App Engine. We’ll just be there the first day, May 27, but we’ll be there the whole day. Come on out and see us!

We’ve just released Resin 4.0.0 for download at http://caucho.com/download

Resin 4.0 has a large number of internal changes and enhancements over 3.1, and it is the development branch. If you need a stable version of Resin, you should continue to use Resin 3.1. The expected date for a stable version of Resin 4.0 is tied to the JavaEE spec dates for JavaEE 6, so it’s a moving target.

Major Features in Resin 4.0.0:

• Resin 10,000
• 10,000 simultaneous connections

• Project Jar Repository
  • uses Maven pom.xml dependencies to build classloaders
  • replaces complex OSGi bundles with simple .jar management
• CanDI - Java Contexts and Dependency Injection (JSR-299)
  • resin.xml/web.xml config fully integrated with CanDI
  • Rewrite/Dispatch redesign using CanDI
  • Security redesign using CanDI
  • JMS Queue/Topic redesign using CanDI
• Protocol enhancements
  • FastCGI port and proxy
  • HTTP proxy
• Cloud Computing redesign
  • Dynamic servers
  • Distributed deployment with .git repository and BAM/HMTP
    • eclipse, ant, maven and /resin-admin deployment
  • Clustered session refactor with BAM/HMTP for dynamic servers
  • Clustered Cache (JCache)
  • Load Balance refactor for dynamic servers
  • Load Balance green connections
  • Remote JMX refactored to use BAM/HMTP
  • Watchdog refactored to use BAM/HMTP
  • BAM/HMTP rename and refactor
• Quercus
  • performance and compatibility work
  • Google App Engine support

We’ve been pretty busy around here, working on the new Resin 4 cloud features (PDF) and improving the performance of Quercus (PDF), so soon it’ll be time to talk about it! We just got some good news yesterday that I’ll be speaking at JavaOne about Quercus performance. Here’s the session info for that talk. Right now, I’m scheduled for Tuesday, June 2 at 4:40PM in Esplanade 301.

I’ll also be talking about Resin 4’s cloud features a little later in June at Jazoon in Zurich. Check out the session info here. I hope you can make it to see one or both of the talks!

This week in Las Vegas, we’ll be at TheServerSide Java Symposium talking about Resin (including 4.0), Quercus, CanDI, Hessian, BAM, and everything else at Caucho. We’ll have a booth were you can chat with me, Theresa from sales, and Steve, our CEO. Steve will also be giving a lightning talk to showcase all the new technologies from Caucho on Wednesday. I’ll also do some blogging about the hot topics at the symposium in case you can’t make it, but I hope to see you there!

For the past 5 months, Caucho has been producing a monthly email newsletter to keep our customers up-to-date on everything that’s happening with our products and upcoming events. Until now, we had only been sending this newsletter to our existing customers, but now you can sign up to see what we’re doing whether you’re considering Resin Professional, using Resin Open Source, or just interested in the company’s developments. There’s a new sign up page for the newsletter which also contains the archives of all the past newsletters so you can see what you’ve been missing. Please check it out!