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https://issues.apache.org/jira/browse/HADOOP-10530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14237183#comment-14237183
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Steve Loughran commented on HADOOP-10530:
-----------------------------------------
for reference, /latest JDK appears frozen to java 6
{code}
lrwxrwxrwx 1 jenkins jenkins 13 Jul 23 2011 latest1.4 -> j2sdk1.4.2_19
lrwxrwxrwx 1 jenkins jenkins 14 Jul 23 2011 latest1.5 -> jdk1.5.0_22-32
lrwxrwxrwx 1 jenkins jenkins 14 Jul 23 2011 latest1.5-32 ->
jdk1.5.0_22-32
lrwxrwxrwx 1 jenkins jenkins 14 Jul 23 2011 latest1.5-64 ->
jdk1.5.0_22-64
lrwxrwxrwx 1 jenkins jenkins 14 May 14 2013 latest1.6 -> jdk1.6.0_45-32
lrwxrwxrwx 1 jenkins jenkins 14 May 14 2013 latest1.6-32 ->
jdk1.6.0_45-32
lrwxrwxrwx 1 jenkins jenkins 14 May 14 2013 latest1.6-64 ->
jdk1.6.0_45-64
lrwxrwxrwx 1 jenkins jenkins 14 Jul 31 2013 latest1.7 -> jdk1.7.0_25-32
lrwxrwxrwx 1 jenkins jenkins 14 Jul 31 2013 latest1.7-32 ->
jdk1.7.0_25-32
lrwxrwxrwx 1 jenkins jenkins 14 Jul 31 2013 latest1.7-64 ->
jdk1.7.0_25-64
{code}
> 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, HADOOP-10530-004.patch, HADOOP-10530-005.patch,
> HADOOP-10530-debug.000.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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