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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10530) Make hadoop trunk build on Java7+ only
Date Tue, 17 Jun 2014 21:57:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034446#comment-14034446

Haohui Mai commented on HADOOP-10530:

The patch looks good to me. +1.

Built hdfs on both Mac OS X and CentOS with Java 7. Work as expected.

Built with Java 6 on CentOS. Failed as expected.

Ran a few tests with hdfs and it looked pretty good to me.

This should be a low risk change since (1) it is going into trunk only, and (2) Hadoop on
Java 7 has been proved in production (based on my understanding several company has been supporting
Hadoop on Java 7 for a while).

This only thing left is that we need to make sure that Jenkins moves to Java 7 before this
patch goes into the trunk. 

> Make hadoop trunk build on Java7+ only
> --------------------------------------
>                 Key: HADOOP-10530
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10530
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0
>         Environment: Java 1.7+
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-10530-001.patch, HADOOP-10530-002.patch
> As discussed on hadoop-common, hadoop 3 is envisaged to be Java7+ *only* -this JIRA covers
switching the build for this
> # maven enforcer plugin to set Java version = {{[1.7)}}
> # compiler to set language to java 1.7

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