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https://issues.apache.org/jira/browse/HADOOP-2325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548405
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bien edited comment on HADOOP-2325 at 12/4/07 1:02 PM:
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To quote from the bikemonkey link:

{quote}
By downloading these binaries, you certify that you are a Licensee in good 
standing under the Java Research License of the Java 2 SDK, and that your 
access, use, and distribution of code and information you may obtain at this 
site is subject to the License. Please review the license at 
http://java.net/jrl.csp, and submit your license acceptance to Sun.
{quote}

{quote}
 Licensing

The Mac OS X work is based heavily on the BSD Java port, which is licensed 
under the JRL. The BSDs develop Java under the JRL; FreeBSD has negotiated a 
license with Sun to distribute FreeBSD Java binaries based on the JRL sources.

As the Mac port stabilizes, I am merging my work upstream into the BSD port, 
and in turn, it is a goal of the FreeBSD Java project to merge their work into 
OpenJDK. I've signed a Sun Contributor Agreement in preparation for this, and 
an OpenJDK Porters group has been proposed: 
http://thread.gmane.org/gmane.comp.java.openjdk.general/630

While the JRL makes this initial port possible, OpenJDK's GPLv2+CE licensing 
makes development and distribution far simpler. I hope to contribute this work 
to OpenJDK as soon as is feasible.
{quote}

So, while IANAL, it appears this can only be used under JRL.  But JRL only 
permits Research Use, defining it as:
{quote}
"Research Use" means research, evaluation, or development for the
purpose of advancing knowledge, teaching, learning, or customizing the
Technology or Modifications for personal use. Research Use expressly
excludes use or distribution for direct or indirect commercial
(including strategic) gain or advantage.
{quote}

So I suspect that running hadoop client libraries at a commercial search engine 
does not fall under Research Use.

      was (Author: bien):
    To quote from the bikemonkey link:
{quote}
 Licensing

The Mac OS X work is based heavily on the BSD Java port, which is licensed 
under the JRL. The BSDs develop Java under the JRL; FreeBSD has negotiated a 
license with Sun to distribute FreeBSD Java binaries based on the JRL sources.

As the Mac port stabilizes, I am merging my work upstream into the BSD port, 
and in turn, it is a goal of the FreeBSD Java project to merge their work into 
OpenJDK. I've signed a Sun Contributor Agreement in preparation for this, and 
an OpenJDK Porters group has been proposed: 
http://thread.gmane.org/gmane.comp.java.openjdk.general/630

While the JRL makes this initial port possible, OpenJDK's GPLv2+CE licensing 
makes development and distribution far simpler. I hope to contribute this work 
to OpenJDK as soon as is feasible.
{quote}

So, while IANAL, it appears this can only be used under JRL.  But JRL only 
permits Research Use, defining it as:
{quote}
"Research Use" means research, evaluation, or development for the
purpose of advancing knowledge, teaching, learning, or customizing the
Technology or Modifications for personal use. Research Use expressly
excludes use or distribution for direct or indirect commercial
(including strategic) gain or advantage.
{quote}

So I suspect that running hadoop client libraries at a commercial search engine 
does not fall under Research Use.
  
> Require Java 6 for release 0.16.
> --------------------------------
>
>                 Key: HADOOP-2325
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2325
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: build
>            Reporter: Doug Cutting
>             Fix For: 0.16.0
>
>
> We should require Java 6 for release 0.16.  Java 6 is now available for OS/X. 
>  Hadoop performs much better on Java 6.  And, finally, there are features of 
> Java 6 (like 'df') that would be nice to use.

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