Maxim Gekk created SPARK-24807:
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Summary: Adding files/jars twice: output a warning and add a note
Key: SPARK-24807
URL: https://issues.apache.org/jira/browse/SPARK-24807
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.3.1
Reporter: Maxim Gekk
In current version of Spark (2.3.x), one file/jar can be added only once. Next
additions of the same path are silently ignored. This behavoir is not properly
documented:
https://spark.apache.org/docs/2.3.1/api/scala/index.html#org.apache.spark.SparkContext
This confuses our users and support teams in our company. The ticket aims to
output a warning which should clearly state that second addition of the same
path is not supported now.
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