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From Venkat Ranganathan <vranganat...@hortonworks.com>
Subject Re: Dropping support for JDK6
Date Tue, 28 Jul 2015 16:00:18 GMT

On 7/28/15, 8:24 AM, "Jarek Jarcec Cecho" <jarcec@gmail.com on behalf of jarcec@apache.org>

>Hi All,
>JDK6 has been officially put end of life by Oracle more then 2 years ago (February 2013).
Other projects in Hadoop ecosystems have already dropped JDK6 support - for example Hadoop
[1], HBase [2] or Pig[3] and hence I would like to kick off discussion to do the same in Sqoop
as well.
>What exactly that would mean for our users:
>* User would need to use at least JDK7 on the runtime - we’re spawning mapreduce job,
so entire cluster would have to be running on at least JDK7
>What would that mean for Sqoop developers:
>* We would change our build scripts to use -source and -target 1.7 [4] preventing the
compilation with JDK6
>* We could use JDK7 specific language features in the source code [5]
>What do you think?
>1: http://markmail.org/thread/ytisa4w73ym4ee65
>2: https://issues.apache.org/jira/browse/HBASE-11666
>3: http://markmail.org/message/4pdyv22bimh5ae7n
>4: http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javac.html
>5: http://docs.oracle.com/javase/7/docs/technotes/guides/language/enhancements.html
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