Kousuke Saruta created SPARK-4076:
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Summary: Parameter expansion in spark-config is wrong
Key: SPARK-4076
URL: https://issues.apache.org/jira/browse/SPARK-4076
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.2.0
Reporter: Kousuke Saruta
Priority: Minor
In sbin/spark-config.sh, parameter expansion is used to extract source root as
follows.
{code}
this="${BASH_SOURCE-$0}"
{code}
I think, the parameter expansion should be ":-" instead of "-".
If we use "-" and BASH_SOURCE="", (empty character is set, not unset),
"" (empty character) is set to $this.
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