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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/07/26 06:06:00 UTC
[jira] [Updated] (SPARK-32443) Fix testCommandAvailable to use
POSIX compatible `command -v`
[ https://issues.apache.org/jira/browse/SPARK-32443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun updated SPARK-32443:
----------------------------------
Parent: SPARK-25075
Issue Type: Sub-task (was: Bug)
> Fix testCommandAvailable to use POSIX compatible `command -v`
> -------------------------------------------------------------
>
> Key: SPARK-32443
> URL: https://issues.apache.org/jira/browse/SPARK-32443
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 2.1.3, 2.2.3, 2.3.4, 2.4.6, 3.0.0
> Reporter: Dongjoon Hyun
> Priority: Major
>
> Currently, we run the command to check the existence. This is dangerous and doesn't work sometimes.
> {code}
> scala> sys.process.Process("cat").run().exitValue()
> res0: Int = 0
> scala> sys.process.Process("ls").run().exitValue()
> LICENSE
> NOTICE
> bin
> doc
> lib
> man
> res1: Int = 0
> scala> sys.process.Process("rm").run().exitValue()
> usage: rm [-f | -i] [-dPRrvW] file ...
> unlink file
> res4: Int = 64
> {code}
> {code}
> scala> sys.process.Process("command -v rm").run().exitValue()
> /bin/rm
> res5: Int = 0
> {code}
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