Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/17852
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GitHub user jyu00 opened a pull request:
https://github.com/apache/spark/pull/17852
[SPARK-20546][Deploy] spark-class gets syntax error in posix mode
## What changes were proposed in this pull request?
Updated spark-class to turn off posix mode so the process substitution
