Jungtaek Lim created SPARK-29999:
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Summary: Writing empty partition via DSv2 implementation of
FileStreamSink throws FileNotFoundException
Key: SPARK-29999
URL: https://issues.apache.org/jira/browse/SPARK-29999
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Jungtaek Lim
I've discovered this issue while playing with Spark 3.0.0-preview.
Unlike DSv1 version of file sink, DSv2 version of file sink lazily creates
output file which leads empty partition to not actually create output file. The
behavior itself is not a problem, but while committing task in
ManifestFileCommitProtocol, `fs.getFileStatus` throws FileNotFoundException
since the file is not created.
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