bozhang2820 commented on code in PR #46883:
URL: https://github.com/apache/spark/pull/46883#discussion_r1630446351


##########
core/src/main/scala/org/apache/spark/util/SparkExitCode.scala:
##########
@@ -45,6 +45,10 @@ private[spark] object SparkExitCode {
       OutOfMemoryError. */
   val OOM = 52
 
+  /** The default uncaught exception handler was reached and the exception was 
thrown by
+     TaskReaper. */
+  val KILLED_BY_TASK_REAPER = 53

Review Comment:
   Thanks for catching this! Will move KILLED_BY_TASK_REAPER to 
ExecutorExitCode and change the value to 57.



##########
core/src/test/scala/org/apache/spark/JobCancellationSuite.scala:
##########
@@ -455,6 +464,8 @@ class JobCancellationSuite extends SparkFunSuite with 
Matchers with BeforeAndAft
     sc.cancelJobGroup("jobA")
     val e = intercept[SparkException] { ThreadUtils.awaitResult(jobA, 
15.seconds) }.getCause
     assert(e.getMessage contains "cancel")
+    semExec.acquire(2)
+    assert(execLossReason == Seq("Command exited with code 53", "Command 
exited with code 53"))

Review Comment:
   Sure. Will do.



##########
core/src/main/scala/org/apache/spark/executor/Executor.scala:
##########
@@ -1310,3 +1309,5 @@ private[spark] object Executor {
     }
   }
 }
+
+class KilledByTaskReaperException(message: String) extends 
SparkException(message)

Review Comment:
   I did not use error class since this is not user-facing, and we've been 
using class matching in SparkUncaughtExceptionHandler. 



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