Tricks and Tips with Comet part 1: The Browser difference

Writing Comet application is more and more simple, thanks to framework like LIft and Atmosphere and to the upcoming Servlet 3.0 async part. But on the Client side, the difference between Safari, Opera, Firefox, IE and Chrome can make your application completely unresponsive or broken. Of course, there is some tricks to make it work. Writing Comet application is more and more simple, thanks to framework like LIft and Atmosphere. On the Client side, the difference between Safari, Opera, Firefox, IE and Chrome can make your application completely unresponsive or broken. Of course, there is some tricks to make it work. First, if you are new to Comet, I recommend you take a look at this introduction. For this serie, I will use my new project called Atmosphere, which is a framework for writing portable Comet and REST applications. I always use Firefox for developping, and recently I've got surprise when I 've realized all Atmosphere's sample did work on WebKit (Chrome, Safari) and Opera. First, to make Safari works properly with the Comet technique called http streaming or forever frame, make sure, on the server side, you set the content-type properly and disable the cache.         res.setContentType("text/html");         res.add...

Date: August, 25 2009
Url: http://www.java.net/blog/jfarcand/archive/2009/08/25/tricks-and-tips-comet-part-1-browser-difference

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