[SPARK-44242] Spark job submission failed because Xmx string is available on one parameter provided into spark.driver.extraJavaOptions

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.2, 3.4.1
• Fix Version/s: 4.0.0
• Component/s: Spark Submit
• Assignee: Nicolas Fraison
• Reporter: Nicolas Fraison
• Created: 29/Jun/23 08:16
• Updated: 12/Aug/23 00:09
• Resolved: 12/Aug/23 00:09

Description

The spark-submit command failed if Xmx string is found on any parameters provided to spark.driver.extraJavaOptions.

For ex. running this spark-submit command line

./bin/spark-submit --class org.apache.spark.examples.SparkPi --conf "spark.driver.extraJavaOptions=-Dtest=Xmx"  examples/jars/spark-examples_2.12-3.4.1.jar 100

failed due to

Error: Not allowed to specify max heap(Xmx) memory settings through java options (was -Dtest=Xmx). Use the corresponding --driver-memory or spark.driver.memory configuration instead.

The check performed in https://github.com/apache/spark/blob/master/launcher/src/main/java/org/apache/spark/launcher/SparkSubmitCommandBuilder.java#L314 seems to broad