Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/11628#discussion_r55637448 --- Diff: core/src/main/scala/org/apache/spark/rdd/PipedRDD.scala --- @@ -133,23 +134,30 @@ private[spark] class PipedRDD[T: ClassTag]( // Start a thread to feed the process input from our parent's iterator new Thread("stdin writer for " + command) { override def run() { - TaskContext.setTaskContext(context) val out = new PrintWriter(proc.getOutputStream) - // scalastyle:off println - // input the pipe context firstly - if (printPipeContext != null) { - printPipeContext(out.println(_)) - } - for (elem <- firstParent[T].iterator(split, context)) { - if (printRDDElement != null) { - printRDDElement(elem, out.println(_)) - } else { - out.println(elem) + try { + TaskContext.setTaskContext(context) + + // scalastyle:off println + // input the pipe context firstly + if (printPipeContext != null) { + printPipeContext(out.println(_)) + } + for (elem <- firstParent[T].iterator(split, context)) { + if (printRDDElement != null) { + printRDDElement(elem, out.println(_)) + } else { + out.println(elem) + } } + // scalastyle:on println + } catch { + case throwable: Throwable => --- End diff -- let's catch only NonFatal
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