[jira] [Resolved] (SPARK-18643) SparkR hangs at session start when installed as a package without SPARK_HOME set

["Shivaram Venkataraman (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shivaram Venkataraman resolved SPARK-18643.
-------------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.1.0

Issue resolved by pull request 16077
[https://github.com/apache/spark/pull/16077]

> SparkR hangs at session start when installed as a package without SPARK_HOME set
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-18643
>                 URL: https://issues.apache.org/jira/browse/SPARK-18643
>             Project: Spark
>          Issue Type: Bug
>          Components: SparkR
>    Affects Versions: 2.1.0
>            Reporter: Felix Cheung
>            Assignee: Felix Cheung
>            Priority: Critical
>             Fix For: 2.1.0
>
>
> 1) Install SparkR from source package, ie.
> R CMD INSTALL SparkR_2.1.0.tar.gz
> 2) Start SparkR (not from sparkR shell)
> library(SparkR)
> sparkR.session()
> Notice SparkR hangs when it couldn't find spark-submit to launch the JVM backend.
> {code}
> Launching java with spark-submit command spark-submit   sparkr-shell /tmp/RtmpYbAYt5/backend_port5849dc2273
> sh: 1: spark-submit: not found
> {code}
> If SparkR is running as a package and it has previously downloaded Spark Jar it should be able to run as before without having to set SPARK_HOME. Basically with this bug the auto install Spark will only work in the first session.
> This seems to be a regression on the earlier behavior.



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