LuciferYang commented on a change in pull request #22149:
[SPARK-25158][SQL]Executor accidentally exit because
ScriptTransformationWriterThread throw Exception.
URL: https://github.com/apache/spark/pull/22149#discussion_r255432656
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala
##########
@@ -2348,4 +2348,36 @@ class SQLQuerySuite extends QueryTest with SQLTestUtils
with TestHiveSingleton {
}
}
+ test("SPARK-25158: " +
+ "Executor accidentally exit because ScriptTransformationWriterThread throw
Exception") {
+ withTempView("test") {
+ val defaultUncaughtExceptionHandler =
Thread.getDefaultUncaughtExceptionHandler
+ try {
+ val uncaughtExceptionHandler = new TestUncaughtExceptionHandler
+ Thread.setDefaultUncaughtExceptionHandler(uncaughtExceptionHandler)
+
+ // Use a bad udf to generate failed inputs.
+ import org.apache.spark.sql.functions.udf
+ val badUDF = udf({x: Int =>
+ if (x < 1) x
+ else throw new RuntimeException("Failed to produce data.")
+ })
+ spark
+ .range(5)
+ .select(badUDF('id).as("a"))
+ .createOrReplaceTempView("test")
+ val scriptFilePath = getTestResourcePath("data")
+ val e = intercept[SparkException] {
+ sql(
+ s"""FROM test SELECT TRANSFORM(a)
+ |USING 'python $scriptFilePath/scripts/test_transform.py "\t"'
+ """.stripMargin).collect()
+ }
+ assert(e.getMessage.contains("Failed to produce data."))
Review comment:
And if keep throw t and use `SparkUncaughtExceptionHandler` instead of
`TestUncaughtExceptionHandler` , the case always success but we can see log as
follwoing:
```
ERROR org.apache.spark.util.Utils: Uncaught exception in thread
Thread-ScriptTransformation-Feed
ERROR org.apache.spark.util.SparkUncaughtExceptionHandler: Uncaught
exception in thread Thread[Thread-ScriptTransformation-Feed,5,main]
Process finished with exit code 50
```
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