Github user lamber-ken commented on a diff in the pull request: https://github.com/apache/flink/pull/6243#discussion_r199989644 --- Diff: flink-core/src/main/java/org/apache/flink/core/fs/local/LocalFileSystem.java --- @@ -254,7 +254,7 @@ else if (file.exists() && !file.isDirectory()) { } else { File parent = file.getParentFile(); - return (parent == null || mkdirsInternal(parent)) && file.mkdir(); + return (parent == null || mkdirsInternal(parent)) && (file.mkdir() || file.isDirectory()); --- End diff -- the `file.isDirectory()` always return false, isn't it?
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