Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/640#discussion_r12389302
--- Diff: core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
---
@@ -210,10 +126,15 @@ private[spark] class PythonRDD[T: ClassTag](
Array.empty[Byte]
}
} catch {
- case e: Exception if readerException != null =>
+
+ case e: Exception if context.interrupted =>
+ logDebug("Exception thrown after task interruption", e)
+ throw new TaskKilledException
+
+ case e: Exception if writerThread.exception.isDefined =>
logError("Python worker exited unexpectedly (crashed)", e)
- logError("Python crash may have been caused by prior
exception:", readerException)
- throw readerException
+ logError("This may have been caused by a prior exception:",
writerThread.exception.get)
+ throw writerThread.exception.get
case eof: EOFException =>
throw new SparkException("Python worker exited unexpectedly
(crashed)", eof)
--- End diff --
Ok, yeah I also did a quick elsewhere: it looks like `IOExceptions` are
triggered if the stream is abruptly closed on our side (among other unexpected
errors), but `EOFExceptions` are triggered if the stream is closed on their
side.
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