Github user DeepSparkBot commented on a diff in the pull request: https://github.com/apache/spark/pull/11570#discussion_r58247308 --- Diff: project/SparkBuild.scala --- @@ -743,8 +744,18 @@ object TestSettings { parallelExecution in Test := false, // Make sure the test temp directory exists. resourceGenerators in Test <+= resourceManaged in Test map { outDir: File => - if (!new File(testTempDir).isDirectory()) { - require(new File(testTempDir).mkdirs()) + var dir = new File(testTempDir) + if (!dir.isDirectory()) { + val stack = new Stack[File]() + while (!dir.isDirectory()) { + stack.push(dir) + dir = dir.getParentFile() + } + + while (stack.nonEmpty) { + val d = stack.pop() + require(d.mkdir() || d.isDirectory(), s"Failed to create directory $d") + } --- End diff -- Please add a short comment to explain this logic.
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