Jeremy Liu created SPARK-27962:
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Summary: Propagate subprocess stdout when subprocess exits with
nonzero status in deploy.RRunner
Key: SPARK-27962
URL: https://issues.apache.org/jira/browse/SPARK-27962
Project: Spark
Issue Type: Improvement
Components: Deploy, Spark Core
Affects Versions: 2.4.3
Reporter: Jeremy Liu
When the R process launched in org.apache.spark.deploy.RRunner terminates with
a nonzero status code, only the status code is passed on in the
SparkUserAppException.
Although the subprocess' stdout is continually piped to System.out, it would be
useful for users without access to the JVM's stdout to also capture the last
few lines of the R process and pass it along in the exception message.
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