Flavio Pompermaier created FLINK-6103:
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Summary: LocalFileSystem rename() uses File.renameTo()
Key: FLINK-6103
URL: https://issues.apache.org/jira/browse/FLINK-6103
Project: Flink
Issue Type: Bug
Reporter: Flavio Pompermaier
I've tried to move a directory to another on the LocalFilesystem and it doesn't
work (in my case fs is an instance of java.io.UnixFileSystem).
As for Flink-1840 (there was a PR to fix the issue -
https://github.com/apache/flink/pull/578) the problem is that
{{File.renameTo()}} is not reliable.
Indeed, the Javadoc says:
{{
Renames the file denoted by this abstract pathname.
Many aspects of the behavior of this method are inherently platform-dependent:
The rename operation might not be able to move a file from one filesystem to
another, it might not be atomic, and it might not succeed if a file with the
destination abstract pathname already exists. The return value should always be
checked to make sure that the rename operation was successful.
Note that the java.nio.file.Files class defines the move method to move or
rename a file in a platform independent manner
}}
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