Brian Goetz says your webapp may be broken... also:
Java Today: Webapp concurrency problems, JSR 311 (JAX-RS) final draft approved, and Ask the Experts about OpenSSO next week
Weblogs: Inferring JSF to-view-id value, migrating to GlassFish, and Rich Unger returns after a long absence
Forum Posts: asadmin remote traits, OSGi, HK2 and JSR 277, and handling JAXB 2.0 deprecations