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From "Flavio Pompermaier (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (FLINK-6103) LocalFileSystem rename() uses File.renameTo()
Date Thu, 23 Mar 2017 08:30:42 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Flavio Pompermaier reassigned FLINK-6103:

    Assignee: Flavio Pompermaier

> LocalFileSystem rename() uses File.renameTo()
> ---------------------------------------------
>                 Key: FLINK-6103
>                 URL: https://issues.apache.org/jira/browse/FLINK-6103
>             Project: Flink
>          Issue Type: Bug
>          Components: Local Runtime
>            Reporter: Flavio Pompermaier
>            Assignee: Flavio Pompermaier
>              Labels: filesystem
> 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:
> bq. 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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