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https://issues.apache.org/jira/browse/SPARK-26011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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shanyu zhao updated SPARK-26011:
--------------------------------
    Description: 
Command "pyspark --packages" works as expected, but if submitting a livy 
pyspark job with "spark.jars.packages" config, the downloaded packages are not 
added to python's sys.path therefore the package is not available to use.

For example, this command works:

pyspark --packages Azure:mmlspark:0.14

However, using Jupyter notebook with sparkmagic kernel to open a pyspark 
session failed:

%%configure -f \{"conf": {spark.jars.packages": "Azure:mmlspark:0.14"}}
 import mmlspark

The root cause is that SparkSubmit determines pyspark app by the suffix of 
primary resource but Livy uses "spark-internal" as the primary resource when 
calling spark-submit, therefore args.isPython is set to false in 
SparkSubmit.scala.

  was:
Command "pyspark --packages" works as expected, but if submitting a livy 
pyspark job with "spark.jars.packages" config, the downloaded packages are not 
added to python's sys.path therefore the package is not available to use.

For example, this command works:

pyspark --packages Azure:mmlspark:0.14

However, using Jupyter notebook with sparkmagic kernel to open a pyspark 
session failed:

%%configure -f \{"conf": {spark.jars.packages": "Azure:mmlspark:0.14"}}
import mmlspark

The root cause is that SparkSubmit determines pyspark app by the suffix of 
primary resource but Livy uses "spark-internal" as the primary resource when 
calling spark-submit, therefore args.isPython is fails in SparkSubmit.scala.


> pyspark app with "spark.jars.packages" config does not work
> -----------------------------------------------------------
>
>                 Key: SPARK-26011
>                 URL: https://issues.apache.org/jira/browse/SPARK-26011
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Submit
>    Affects Versions: 2.3.2, 2.4.0
>            Reporter: shanyu zhao
>            Priority: Major
>
> Command "pyspark --packages" works as expected, but if submitting a livy 
> pyspark job with "spark.jars.packages" config, the downloaded packages are 
> not added to python's sys.path therefore the package is not available to use.
> For example, this command works:
> pyspark --packages Azure:mmlspark:0.14
> However, using Jupyter notebook with sparkmagic kernel to open a pyspark 
> session failed:
> %%configure -f \{"conf": {spark.jars.packages": "Azure:mmlspark:0.14"}}
>  import mmlspark
> The root cause is that SparkSubmit determines pyspark app by the suffix of 
> primary resource but Livy uses "spark-internal" as the primary resource when 
> calling spark-submit, therefore args.isPython is set to false in 
> SparkSubmit.scala.



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