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From Todd Lipcon <t...@cloudera.com>
Subject Re: Java Versions and Hadoop
Date Sat, 08 Oct 2011 09:00:30 GMT
I think requiring Java 7 is years off... I think most people have
doubts as to Java 7's stability until it's been adopted by a majority
of applications, and the new features aren't compelling enough to jump
ship, IMO.


On Fri, Oct 7, 2011 at 3:33 PM,  <Milind.Bhandarkar@emc.com> wrote:
> Hi Folks,
> While I have seen the wiki on which java versions to use currently to run
> Hadoop, I have not seen any discussion about the roadmap of java version
> compatibility with future hadoop versions.
> Recently, Oracle retired the "Operating System Distributor License for
> Java" (DLJ) [http://robilad.livejournal.com/90792.html,
> http://jdk-distros.java.net/] and Linux vendors have started making
> OpenJDK (6/7) as the default java version bundled with their OSs
> [http://www.java7developer.com/blog/?p=361]. Also, all future Java SE
> updates will be delivered through OpenJDK updates project.
> I see that OpenJDK6 (6b20pre) cannot be used to compile hadoop trunk. Has
> anyone tried OpenJDK7 ?
> Additionally, I have a few small projects in mind which can really make
> use of the new (esp I/O) features of Java 7.
> What, if any, timeline do hadoop developers have in mind to make Java 7 as
> required (and tested with OpenJDK 7) ?
> Thanks,
> - milind
> ---
> Milind Bhandarkar
> Greenplum Labs, EMC
> (Disclaimer: Opinions expressed in this email are those of the author, and
> do not necessarily represent the views of any organization, past or
> present, the author might be affiliated with.)

Todd Lipcon
Software Engineer, Cloudera

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