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https://issues.apache.org/jira/browse/SPARK-2960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003697#comment-15003697
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Sean Owen commented on SPARK-2960:
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I don't think that's a problem. If {{SPARK_HOME}} is explicitly set, it means
it's intended to be respected as the primary installation. This is for
production deployments, not development. I don't see a use case where you have
two simultaneous production deployments on one environment.
> Spark executables fail to start via symlinks
> --------------------------------------------
>
> Key: SPARK-2960
> URL: https://issues.apache.org/jira/browse/SPARK-2960
> Project: Spark
> Issue Type: Bug
> Components: Deploy
> Reporter: Shay Rojansky
> Assignee: Saisai Shao
> Priority: Minor
> Fix For: 1.6.0
>
>
> The current scripts (e.g. pyspark) fail to run when they are executed via
> symlinks. A common Linux scenario would be to have Spark installed somewhere
> (e.g. /opt) and have a symlink to it in /usr/bin.
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