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https://issues.apache.org/jira/browse/HADOOP-7849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155995#comment-13155995
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Giridharan Kesavan commented on HADOOP-7849:
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hadoop-env.sh which is already present is supposed to be active and the new
hadoop-env.sh installed with the rpm is supposed to be installed as .rpmsave
file. From the previous comment I think that is what has happened. In this case
the active hadoop-env.sh (old hadoop-env.sh) is updated.
Reason for the updated hadoop-evn.sh is that ; template_generator is getting
called as part of the rpm installation which re-generates hadoop-env.sh again.
this is by design.
> hadoop rpm overwrites the existing /etc/hadoop/hadoop-env.sh
> ------------------------------------------------------------
>
> Key: HADOOP-7849
> URL: https://issues.apache.org/jira/browse/HADOOP-7849
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.20.205.0
> Reporter: Arpit Gupta
> Assignee: Giridharan Kesavan
>
> The following steps were used to deploy
> 1. Create /etc/hadoop dir
> 2. create a file hadoop-env.sh in the above dir
> 3. install the hadoop rpm (rpm -ivh hadoop-0.20.205.0-1.amd64.rpm)
> The following console output is displayed
> Preparing... ########################################### [100%]
> 1:hadoop warning: /etc/hadoop/hadoop-env.sh created as
> /etc/hadoop/hadoop-env.sh.rpmnew
> ########################################### [100%]
> After the install open up the /etc/hadoop/hadoop-env.sh and notice that the
> file has been replaced.
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