Mark Grover created SPARK-13670:
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Summary: spark-class doesn't bubble up error from launcher command
Key: SPARK-13670
URL: https://issues.apache.org/jira/browse/SPARK-13670
Project: Spark
Issue Type: Bug
Components: Spark Submit
Affects Versions: 2.0.0
Reporter: Mark Grover
Priority: Minor
There's a particular snippet in spark-class
[here|https://github.com/apache/spark/blob/master/bin/spark-class#L86] that
runs the spark-launcher code in a subshell.
{code}
# The launcher library will print arguments separated by a NULL character, to
allow arguments with
# characters that would be otherwise interpreted by the shell. Read that in a
while loop, populating
# an array that will be used to exec the final command.
CMD=()
while IFS= read -d '' -r ARG; do
CMD+=("$ARG")
done < <("$RUNNER" -cp "$LAUNCH_CLASSPATH" org.apache.spark.launcher.Main "$@")
{code}
The problem is that the if the launcher Main fails, this code still still
returns success and continues, even though the top level script is marked {{set
-e}}.
This is because the launcher.Main is run within a subshell.
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