Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/20225#discussion_r161097981
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/continuous/ContinuousSuite.scala
---
@@ -219,6 +201,42 @@ class ContinuousSuite extends ContinuousSuiteBase {
StopStream)
}
+ test("task failure kills the query") {
+ val df = spark.readStream
+ .format("rate")
+ .option("numPartitions", "5")
+ .option("rowsPerSecond", "5")
+ .load()
+ .select('value)
+
+ // Get an arbitrary task from this query to kill. It doesn't matter
which one.
+ var taskId: Long = -1
+ val listener = new SparkListener() {
+ override def onTaskStart(start: SparkListenerTaskStart): Unit = {
+ taskId = start.taskInfo.taskId
+ }
+ }
+ spark.sparkContext.addSparkListener(listener)
+
+ testStream(df, useV2Sink = true)(
+ StartStream(Trigger.Continuous(100)),
+ Execute(waitForRateSourceTriggers(_, 2)),
+ Execute { query =>
+ // Wait until a task is started, then kill its first attempt.
+ eventually(timeout(streamingTimeout)) { assert(taskId != -1) }
+ spark.sparkContext.killTaskAttempt(taskId)
+ eventually(timeout(streamingTimeout)) {
+ assert(query.exception.isDefined)
+ }
+ assert(
+ query.exception.get.getCause != null &&
+ query.exception.get.getCause.getCause != null &&
+
query.exception.get.getCause.getCause.getCause.isInstanceOf[ContinuousTaskRetryException])
+ })
+
+ spark.sparkContext.removeSparkListener(listener)
--- End diff --
put this in a finally clause.
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