[jira] [Created] (SPARK-21798) No config to replace deprecated SPARK_CLASSPATH config for launching daemons like History Server

["Sanket Reddy (JIRA)" <ji...@apache.org>]

Sanket Reddy created SPARK-21798:
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             Summary: 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: Bug
          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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