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https://issues.apache.org/jira/browse/SPARK-25546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16629216#comment-16629216
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Apache Spark commented on SPARK-25546:
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User 'vanzin' has created a pull request for this issue:
https://github.com/apache/spark/pull/22558
> RDDInfo uses SparkEnv before it may have been initialized
> ---------------------------------------------------------
>
> Key: SPARK-25546
> URL: https://issues.apache.org/jira/browse/SPARK-25546
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, Tests
> Affects Versions: 2.4.0
> Reporter: Marcelo Vanzin
> Priority: Major
>
> This code:
> {code}
> private[spark] object RDDInfo {
> private val callsiteLongForm =
> SparkEnv.get.conf.get(EVENT_LOG_CALLSITE_LONG_FORM)
> {code}
> Has two problems:
> - it keeps that value across different SparkEnv instances. So e.g. if you
> have two tests that rely on different values for that config, one of them
> will break.
> - it assumes tests always initialize a SparkEnv. e.g. if you run
> "core/testOnly *.AppStatusListenerSuite", it will fail because
> {{SparkEnv.get}} returns null.
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