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Posted to issues@spark.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2017/11/14 20:12:00 UTC
[jira] [Updated] (SPARK-22519) Remove unnecessary stagingDirPath
null check in ApplicationMaster.cleanupStagingDir()
[ https://issues.apache.org/jira/browse/SPARK-22519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj K updated SPARK-22519:
------------------------------
Priority: Trivial (was: Minor)
> Remove unnecessary stagingDirPath null check in ApplicationMaster.cleanupStagingDir()
> -------------------------------------------------------------------------------------
>
> Key: SPARK-22519
> URL: https://issues.apache.org/jira/browse/SPARK-22519
> Project: Spark
> Issue Type: Improvement
> Components: YARN
> Affects Versions: 2.2.0
> Reporter: Devaraj K
> Priority: Trivial
>
> In the below, the condition checks whether the stagingDirPath is null but stagingDirPath never becomes null. If SPARK_YARN_STAGING_DIR env var is null then it throws NPE while creating the Path.
> {code:title=ApplicationMaster.scala|borderStyle=solid}
> stagingDirPath = new Path(System.getenv("SPARK_YARN_STAGING_DIR"))
> if (stagingDirPath == null) {
> logError("Staging directory is null")
> return
> }
> {code}
> Here we need to check whether the System.getenv("SPARK_YARN_STAGING_DIR") is null or not, not the stagingDirPath.
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