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https://issues.apache.org/jira/browse/VFS-857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927146#comment-17927146
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Michael Osipov commented on VFS-857:
------------------------------------
I bet it uses some Windows encoding...
> listFiles() fails if the FTP Server (IIS based) contains any file with name
> in non-ascii Unicode character
> ----------------------------------------------------------------------------------------------------------
>
> Key: VFS-857
> URL: https://issues.apache.org/jira/browse/VFS-857
> Project: Commons VFS
> Issue Type: Bug
> Affects Versions: 2.9.0
> Environment: Microsoft IIS based FTP Server
> !image-2025-02-14-19-24-23-511.png!
> Reporter: imran ansari
> Priority: Critical
> Attachments: image-2025-02-14-19-24-23-511.png
>
>
> FTPClient method listFiles() fails if the FTP Server contains a file with
> name in non-ascii Unicode character. This is mainly reported if the server is
> {*}Microsoft IIS based{*}.
>
> VFS2 is not sending "OPTS UTF8 true" in the request for list files.
> The following code does not have any effect in case the FTP Server is IIS.
> {code:java}
> confBuilder.setControlEncoding(options, StandardCharsets.UTF_8.displayName());
> confBuilder.setAutodetectUtf8(options, Boolean.TRUE);
> confBuilder.setFileType(options, FtpFileType.BINARY);{code}
> org.apache.commons.vfs2.FileSystemException: Could not find files in
> "ftp://192.168.100.8/";
>
> {panel:title=Stack Trace}
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not find files
> in "ftp://192.168.100.8/";.
> at
> org.apache.commons.vfs2//org.apache.commons.vfs2.provider.AbstractFileObject.findFiles(AbstractFileObject.java:1016)
> at
> org.apache.commons.vfs2//org.apache.commons.vfs2.provider.AbstractFileObject.listFiles(AbstractFileObject.java:1664)
> at
> org.apache.commons.vfs2//org.apache.commons.vfs2.provider.AbstractFileObject.findFiles(AbstractFileObject.java:991)
> ... 18 more
> Caused by: java.nio.file.InvalidPathException: Illegal char <?> at index 49:
> /Best Practices & Guidelines/???? ???? ????? ???? ?? ???? ?? ????? ????
> ?????.docx
> at
> java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
> at
> java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
> at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
> at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
> at
> java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:232)
> at java.base/java.nio.file.Path.of(Path.java:147)
> {panel}
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