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We've released Seam 2.0.0 GA to the world. (downloads and docs for the impatient) Seam 2 is a big release. We'll be talking a lot about the new features over the coming days and weeks. To get you started, I wrote up my list of the top 10 things you should know about Seam 2.

Web Services

POJOs - check. Session beans - check. Entity beans - check. Message-driven beans - check. Web Services? Now we've got it all. Web services endpoints can now be Seam-aware. Web services can be conversational and can make use of Seam components and services.

Groovy

Tired of using Java? Do you dream of builders and closures? In Seam 2.0, Seam components can be written in Groovy.

Hot deploy

In development mode, Seam can hot-deploy component definitions without needing to redeploy your entire WAR or EAR. We'll also automatically redeploy configuration files and view pages, giving a super-quick dev cycle. Our new eclipse integration will copy hot-deploy incremental changes straight to the server whenever you make a change to your source.

Eclipse support

Did we just mention IDE support? JBossTools and Red Hat Developer Studio both offer killer IDE support for Seam 1.2. We're just wrapping up Seam 2 support in JBossTools. You'll get complete project wizards, integrated tested, autocomplete on EL, visual editing of view pages, and more. Keep your eyes out for the official release.

Removing the JSF dependency

The Seam core has been completely overhauled. In addition to extensive packaging changes, Seam has now been de-coupled from JSF so that it can be more easily used with other web frameworks. We've included some experimental GWT integration that shows how this might work. Want Seam with your favorite web framework? We've opened the doors for the ambitious.

JSF 1.2

If you are happy with JSF, we're now using JSF 1.2. Seam 1 users should note that with switched from myfaces to the JSF RI as our default JSF implementation.

JBoss EL

If plain-vanilla EL us a little too bland, we now offer JBoss EL. JBoss EL supports parameterized bindings, support for non-JavaBean properties and projection

Maven

Ok, ok - we get the message. You guys want Maven support. Well, now you have it Not only are we managing our own Seam dependencies in Maven, we've got our own fancy Maven repository for you to pull Seam from. Stop sending the letters, ok?

More integration

Seam is all about integration. Our asynchronous invocation support now can use Quartz as an alternative to the EJB3 timer service. We've made it easier to use Hibernate Search in your applications. And, we've added JFreeChart support both for web images and embedded in PDFs created with Seam's iText support.

Better support for non-EE environements

We've moved from Embedded EJB3 to JBoss Embedded for unit testing and for full EJB3 support in the web container. If you are a Seam+Tomcat user, you'll want to read up on the changes If you want nothing to do with that EE stuff, you can of course run in a completely non-EE environment. We've improved our support for this, especially when it comes to working without JTA support.

Of course, there's a lot more new in Seam. In fact, I took the time to count out 301 new features in Seam 2. (Really - take that Steve Jobs and your puny 300 new features in Leopard) If you run into any issues, make sure to visit us on the Seam forums. We've got a huge, but still growing, community ready to help you get started.

10 comments:
 
06. Nov 2007, 00:54 CET | Link

My apologies to whoever left the first comment. In trying to respond to it, I accidentally clicked the delete comment button. To answer your question, yes Seam can redeploy component definitions WITHOUT redeploying the WAR in the appserver. Seam controls the classloading and all component to component references, so we load new definitions without a hard app redeploy in the appserver.

 
06. Nov 2007, 15:06 CET | Link
Hussein Baghdadi | hubaghdadi(AT)yahoo.ca

Congratulation for all of us and many thanks for Seam developers at JBoss. Waiting for more integration.

 
06. Nov 2007, 16:44 CET | Link

-- Of course, there's a lot more new in Seam. In fact, I took the time to count out 301 new features in Seam 2. (Really - take that Steve Jobs and your puny 300 new features in Leopard)

--

Are you sure about it??? any source.

Thanks

 
06. Nov 2007, 21:20 CET | Link
Adrian

My apologies to whoever left the first comment. In trying to respond to it, I accidentally clicked the delete comment button - tell the site author to put a confirmation logic to the delete button :)

 
09. Nov 2007, 01:58 CET | Link

I have been using Seam 2 CR1 for a development project and have found it to be an excellent framework. I am about to put the application into production and would like to do so with the GA release - what steps should I take to upgrade my development enviornment to use the GA libs?

 
12. Nov 2007, 03:07 CET | Link

Hi, Thanks to Seam team for 2.0.0 GA release.

I wrote a step-by-step screencast tutorial to make Seam development as RAD - Rapid Application Development with Eclipse and Tomcat, focussing on developer productivity.

techieexchange.wordpress.com/2007/11/11/rad-seam-development-with-eclipse-and-tomcat-step-by-step-tutorial-screencast

 
20. Jun 2009, 01:48 CET | Link

Where can I find more info on Seam???

 
20. Apr 2010, 15:25 CET | Link

I want more infomation about Seam. Can not link to http://labs.jboss.com/portal/jbossseam/docs -- docs.

Thanks.

 
21. Apr 2011, 09:58 CET | Link

I work with SEAM2 ,i need to destroy a session when user logout.??? please help me

 
21. Jun 2014, 15:33 CET | Link

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