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https://issues.apache.org/jira/browse/HADOOP-6950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins resolved HADOOP-6950.
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Resolution: Fixed
> Suggest that HADOOP_CLASSPATH should be preserved in hadoop-env.sh.template
> ---------------------------------------------------------------------------
>
> Key: HADOOP-6950
> URL: https://issues.apache.org/jira/browse/HADOOP-6950
> Project: Hadoop Common
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 0.22.0
> Reporter: Philip Zeyliger
> Assignee: Philip Zeyliger
> Priority: Trivial
> Fix For: 0.22.0
>
> Attachments: HADOOP-6950.patch.txt
>
>
> HADOOP_CLASSPATH tends to be used to add to bin/hadoop's classpath. Because
> of the way the comment is written, administrator's who customize
> hadoop-env.sh often inadvertently disable user's abilities to use it, by not
> including the present value of the variable.
> I propose we change the commented out suggestion code to include the present
> value.
> {noformat}
> # Extra Java CLASSPATH elements. Optional.
> -# export HADOOP_CLASSPATH=
> +# export HADOOP_CLASSPATH="<extra_entries>:$HADOOP_CLASSPATH"
> {noformat}
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