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https://issues.apache.org/jira/browse/SPARK-21798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142357#comment-16142357
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Apache Spark commented on SPARK-21798:
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User 'pgandhi999' has created a pull request for this issue:
https://github.com/apache/spark/pull/19047

> No config to replace deprecated SPARK_CLASSPATH config for launching daemons 
> like History Server
> ------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-21798
>                 URL: https://issues.apache.org/jira/browse/SPARK-21798
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.2.0
>            Reporter: Sanket Reddy
>            Priority: Minor
>
> History Server Launch uses SparkClassCommandBuilder for launching the server. 
> It is observed that SPARK_CLASSPATH has been removed and deprecated. For 
> spark-submit this takes a different route and spark.driver.extraClasspath 
> takes care of specifying additional jars in the classpath that were 
> previously specified in the SPARK_CLASSPATH. Right now the only way specify 
> the additional jars for launching daemons such as history server is using 
> SPARK_DIST_CLASSPATH 
> (https://spark.apache.org/docs/latest/hadoop-provided.html) but this I 
> presume is a distribution classpath. It would be nice to have a similar 
> config like spark.driver.extraClasspath for launching daemons similar to 
> history server. 



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