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https://issues.apache.org/jira/browse/MAPREDUCE-5232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13653400#comment-13653400
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Hadoop QA commented on MAPREDUCE-5232:
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{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12582546/MAPREDUCE-5232.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3608//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3608//console
This message is automatically generated.
> log classpath and other key properties on child JVM start
> ---------------------------------------------------------
>
> Key: MAPREDUCE-5232
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5232
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv1, mrv2
> Affects Versions: 2.0.4-alpha
> Reporter: Sangjin Lee
> Attachments: MAPREDUCE-5232-branch-2.patch, MAPREDUCE-5232.patch
>
>
> It would be great if we log vital information such as classpath, etc. upon a
> mapreduce child JVM start. This would help a great deal in terms of
> troubleshooting classpath issues, etc. Today it is pretty difficult to debug
> this unless you preserve the container script.
> Maybe it can log things like classpath, os name/version, java version, etc.
> at the beginning of the child JVM start.
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