[jira] [Updated] (VFS-674) Cannot close an FTP input stream without an exception

["Boris Petrov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/VFS-674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Petrov updated VFS-674:
-----------------------------
    Labels: pull-request-available  (was: )

> Cannot close an FTP input stream without an exception
> -----------------------------------------------------
>
>                 Key: VFS-674
>                 URL: https://issues.apache.org/jira/browse/VFS-674
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.2
>            Reporter: Boris Petrov
>            Priority: Critical
>              Labels: pull-request-available
>
> The FTP server is FileZilla.
> 1. Get a stream instance from an FtpFileObject via the `getInputStream` method.
>  2. Read some bytes from the stream.
>  3. Close the stream via `stream.close()`.
>  4. If the stream has not been completely read, the FTP server sends a `426 Connection closed; transfer aborted` response code.
>  5. `FtpFileObject::onClose` is called.
>  6. Eventually `FTPReply::isPositiveCompletion` is called.
>  7. Since the response code is outside the [200; 300) range it is considered an error.
>  8. A `FileSystemException` is thrown.
> The overall result is that when closing a stream that is not completely read an exception is thrown. Which is obviously wrong.
> A similar things happens with this piece of code:
> {code:java}
> try (FileContent content = ftpFileObject.getContent()) {
>     // ......
> }
> {code}
> Is there an easy way we can patch this in VFS as this is a showstopper for us?



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