Minor Description
spark-class gets the following error when running in posix mode:
spark-class: line 78: syntax error near unexpected token `<'
spark-class: line 78: `done < <(build_command "$@")'
It appears to be complaining about the process substitution:
CMD=() while IFS= read -d '' -r ARG; do CMD+=("$ARG") done < <(build_command "$@")
This can be reproduced by first turning on allexport then posix mode:
set -a -o posix
then run something like spark-shell which calls spark-class.
The simplest fix is probably to always turn off posix mode in spark-class before the while loop.
This was previously reported in SPARK-8417 which closed with cannot reproduce.
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