[
https://issues.apache.org/jira/browse/HADOOP-10530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14240927#comment-14240927
]
Steve Loughran commented on HADOOP-10530:
-----------------------------------------
Test patches were only a fraction of the problem; most of the work was in the
scheduled common/hdfs/yarn builds and tests of branch-2, trunk on "current"
java and java 8 & the fun of getting them to work. historically these were
driven/configured by a shared bit in SVN; the migration to git killed that with
cut-and-paste, making for a maintenance mess
# there are too many hadoop branches. Ignoring the windows ones, there are
those for work-in-branch projects that could be culled.
# the hadoop builds set the env vars up inline,whereas they could be driven by
popdown menus (then {{set JAVA_HOME=$JDK8_HOME}}), etc., to fix the var needed
# as cut-and-paste variants, syncing them up took time, & effort, especially as
test runs could take hours.
# a lot of the builds were unstable before the move. This added the effort of
distinguishing "broken from upgrade" from "still broken"
Fixes?
# cull the unused branches
# have a repo (bit of git? or still svn) defining the env setup for java7 & 8
builds
# have all the active builds fixed, i.e. have people care about it.
# add a test for each branch which checks the code for the target version e.g.
java7 and later java 8 logic. This will automatically catch out of date builds
without changing the build itself.
> 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
> Fix For: 2.7.0
>
> 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
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
