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## What changes were proposed in this pull request? SparkR ```spark.getSparkFiles``` fails when it was called on executors, see details at [SPARK-19925](https://issues.apache.org/jira/browse/SPARK-19925). ## How was this patch tested? Add unit tests, and verify this fix at standalone and yarn cluster. Author: Yanbo Liang <ybliang8@gmail.com> Closes #17274 from yanboliang/spark-19925. |
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