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https://issues.apache.org/jira/browse/SPARK-16606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15411328#comment-15411328
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Apache Spark commented on SPARK-16606:
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User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/14533
> Misleading warning for SparkContext.getOrCreate "WARN SparkContext: Use an
> existing SparkContext, some configuration may not take effect."
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-16606
> URL: https://issues.apache.org/jira/browse/SPARK-16606
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.1.0
> Reporter: Jacek Laskowski
> Priority: Minor
>
> {{SparkContext.getOrCreate}} should really be checking whether the code gets
> the already-created instance or creating a new one.
> Just a nit-pick: the warning message should also be "Using..." not "Use"
> {code}
> scala> sc.version
> res2: String = 2.1.0-SNAPSHOT
> scala> sc
> res3: org.apache.spark.SparkContext = org.apache.spark.SparkContext@1186374c
> scala> SparkContext.getOrCreate
> 16/07/18 14:40:31 WARN SparkContext: Use an existing SparkContext, some
> configuration may not take effect.
> res4: org.apache.spark.SparkContext = org.apache.spark.SparkContext@1186374c
> {code}
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