Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14371#discussion_r72314596
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1410,10 +1410,12 @@ class SparkContext(config: SparkConf) extends
Logging with ExecutorAllocationCli
val scheme = new URI(schemeCorrectedPath).getScheme
if (!Array("http", "https", "ftp").contains(scheme)) {
val fs = hadoopPath.getFileSystem(hadoopConfiguration)
- if (!fs.exists(hadoopPath)) {
- throw new FileNotFoundException(s"Added file $hadoopPath does not
exist.")
+ val isDir = try {
+ fs.getFileStatus(hadoopPath).isDirectory
+ } catch {
+ case f: FileNotFoundException =>
+ throw new FileNotFoundException(s"Added file $hadoopPath does
not exist.").initCause(f)
--- End diff --
This preserves the current exception message, but I wonder if it's better
to just let the original Hadoop exception fly here
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