imran ansari created VFS-857:
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Summary: 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
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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