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https://issues.apache.org/jira/browse/HADOOP-10530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-10530:
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Attachment: HADOOP-10530-003.patch
Patch -003; in sync with trunk commit 555fa2d9
This patch sets the base javac version to 1.7.
if you have java 8 installed you can switch to a pure java8+ build on the
command line, {{-Djavac.version=1.8}}. This shows up where it currently doesn't
compile.
> 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, 2.6.0
> Environment: Java 1.7+
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Blocker
> Attachments: HADOOP-10530-001.patch, HADOOP-10530-002.patch,
> HADOOP-10530-003.patch, Screen Shot 2014-09-20 at 18.09.05.png
>
>
> 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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