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From Andrew Ash <and...@andrewash.com>
Subject Raise Java dependency from 6 to 7
Date Sat, 18 Oct 2014 00:00:40 GMT
Hi Spark devs,

I've heard a few times that keeping support for Java 6 is a priority for
Apache Spark.  Given that Java 6 has been publicly EOL'd since Feb 2013
<http://www.oracle.com/technetwork/java/eol-135779.html> and the last
public update was Apr 2013
<https://en.wikipedia.org/wiki/Java_version_history#Java_6_updates>, why
are we still maintaing support for 6?  The only people using it now must be
paying for the extended support to continue receiving security fixes.

Bumping the lower bound of Java versions up to Java 7 would allow us to
upgrade from Jetty 8 to 9, which is currently a conflict with the
Dropwizard framework and a personal pain point.

Java 6 vs 7 for Spark links:
Try with resources
<https://github.com/apache/spark/pull/2575/files#r18152125> for
SparkContext et al
Upgrade to Jetty 9
<https://github.com/apache/spark/pull/167#issuecomment-54544494>
Warn when not compiling with Java6
<https://github.com/apache/spark/pull/859>


Who are the people out there that still need Java 6 support?

Thanks!
Andrew

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