Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/16639#discussion_r100413764
--- Diff: core/src/test/scala/org/apache/spark/executor/ExecutorSuite.scala
---
@@ -133,6 +123,153 @@ class ExecutorSuite extends SparkFunSuite {
}
}
}
+
+ test("SPARK-19276: Handle Fetch Failed for all intervening user code") {
+ val conf = new SparkConf().setMaster("local").setAppName("executor
suite test")
+ sc = new SparkContext(conf)
+
+ val serializer = SparkEnv.get.closureSerializer.newInstance()
+ val resultFunc = (context: TaskContext, itr: Iterator[Int]) => itr.size
+ val inputRDD = new FakeShuffleRDD(sc)
+ val secondRDD = new FetchFailureHidingRDD(sc, inputRDD)
+ val taskBinary = sc.broadcast(serializer.serialize((secondRDD,
resultFunc)).array())
+ val serializedTaskMetrics =
serializer.serialize(TaskMetrics.registered).array()
+ val task = new ResultTask(
+ stageId = 1,
+ stageAttemptId = 0,
+ taskBinary = taskBinary,
+ partition = secondRDD.partitions(0),
+ locs = Seq(),
+ outputId = 0,
+ localProperties = new Properties(),
+ serializedTaskMetrics = serializedTaskMetrics
+ )
+
+ val serTask = serializer.serialize(task)
+ val taskDescription = fakeTaskDescription(serTask)
+
+
+ val failReason = runTaskAndGetFailReason(taskDescription)
+ assert(failReason.isInstanceOf[FetchFailed])
+ }
+
+ test("Gracefully handle error in task deserialization") {
--- End diff --
is this test related to this PR? (seems useful but like it should be in its
own PR?)
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