Tian Gao created SPARK-54724:
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             Summary: Dump coverage data on worker before sending exception
                 Key: SPARK-54724
                 URL: https://issues.apache.org/jira/browse/SPARK-54724
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 4.2.0
            Reporter: Tian Gao


The existing coverage infra often misses coverage on exceptions because it 
sends the exception to JVM before dumping coverage data. JVM tries to kill the 
worker when it knows the worker has raised an exception. We should dump the 
coverage data before sending the exception.



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