Server-Sent Events (SSE) is part of HTML5 specifications that can be used to push notifications from a server on a HTTP connection. A developer can implement it on top of a servlet but he has to know the details of wire format.
As announced earlier, Oracle wants to include a Java API for JSON in the Java EE platform. I have circulated the Java API for JSON JSR draft internally in Oracle. If you have any feedback, let me know.
Some of the changes in 2.2.3 are:
Arun posted my slides for "Introduction to JAX-RS" talk at http://www.slideshare.net/arungupta1/svcc-2010jaxrs. He also has a blog for his SVCC experience
JAX-WS 2.2 is integrated into JDK 7 b100.
Some of the changes in 2.2.1 are:
One of the big features in Java EE 6 is dependency injection(yeah, 330 & 299 stuff!!). It pretty much integrated with the every EE component. That means you can nicely use all the CDI features with JAX-WS web services.
Too bad, wsimport doesn't work out of the box to consume bing's wsdl. It reports conflicts for SearchRequest and SearchResponse.
You could use an unsupported(and undocumented!) wsimport switch -XautoNameResoultion that resolves the conflicts automatically.
JAX-WS RI team is pleased to announce the release of 2.1.7 version. It is also included in Metro 1.5. There was no 2.1.6(pretty much 2.1.5) java.net release as it was primarily created for JDK 6u14.