Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20616#discussion_r169236998
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSink.scala
---
@@ -42,9 +42,13 @@ object FileStreamSink extends Logging {
try {
val hdfsPath = new Path(singlePath)
val fs = hdfsPath.getFileSystem(hadoopConf)
- val metadataPath = new Path(hdfsPath, metadataDir)
- val res = fs.exists(metadataPath)
- res
+ if (fs.isDirectory(hdfsPath)) {
+ val metadataPath = new Path(hdfsPath, metadataDir)
+ val res = fs.exists(metadataPath)
+ res
--- End diff --
nit: just `fs.exists(new Path(hdfsPath, metadataDir))`
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