"Painless" is how blogger Eduardo Pelegri-Llopart describes the process in his post "Java EE 6 Update 1 with JDK 6 U21 -- and using the Update Tool." The new Java EE 6 SDK w/ JDK 6 bundles using JDK 6 U21 are in release, he writes, noting that all bundles, including the non-JDK bundles which have not changed since June 17, 2010, are now at Oracle Technology Network (OTN).
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