Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/16639#discussion_r101091688
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -400,8 +410,16 @@ private[spark] class Executor(
execBackend.statusUpdate(taskId, TaskState.FINISHED,
serializedResult)
} catch {
- case ffe: FetchFailedException =>
- val reason = ffe.toTaskFailedReason
+ case t: Throwable if hasFetchFailure =>
+ val reason = task.context.fetchFailed.get.toTaskFailedReason
+ if (!t.isInstanceOf[FetchFailedException]) {
+ // there was a fetch failure in the task, but some user code
wrapped that exception
+ // and threw something else. Regardless, we treat it as a
fetch failure.
+ logWarning(s"TID ${taskId} encountered a
${classOf[FetchFailedException]} and " +
+ s"failed, but did not directly throw the
${classOf[FetchFailedException]}. " +
+ s"Spark is still handling the fetch failure, but these
exceptions should not be " +
+ s"intercepted by user code.")
--- End diff --
@mridulm @kayousterhout how is this msg? open to other suggestions. I'm
not sure exactly what to recommend to the user instead.
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