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https://issues.apache.org/jira/browse/VFS-857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927164#comment-17927164
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imran ansari commented on VFS-857:
----------------------------------
[~ggregory] The problem is reproduced with version 2.10.0. Other FTP clients
like WinSCP shows the correct file names if we enable AutoUTF8 from client side
in WinSCP.
VFS2 works fine with other FTP Servers like FileZilla but not works with IIS.
> 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, 2.10.0
> Environment: Microsoft IIS based FTP Server
> !image-2025-02-14-19-24-23-511.png!
> Reporter: imran ansari
> Priority: Critical
> Attachments: Output.png, 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/";
> {code:java}
> package org.example;
> import org.apache.commons.vfs2.FileObject;
> import org.apache.commons.vfs2.FileSystemManager;
> import org.apache.commons.vfs2.FileSystemOptions;
> import org.apache.commons.vfs2.VFS;
> import org.apache.commons.vfs2.provider.ftp.FtpFileSystemConfigBuilder;
> public class Main {
> public static void main(String[] args) {
> // FTP server details
> String host = "192.168.100.8";
> String username = "imran";
> String password = "Samsung123";
> String remoteDir = "/";
> try {
> System.setProperty("file.encoding", "UTF-8");
> FileSystemManager fsManager = VFS.getManager();
> FileSystemOptions opts = new FileSystemOptions();
> FtpFileSystemConfigBuilder.getInstance().setAutodetectUtf8(opts,
> true);
> FtpFileSystemConfigBuilder.getInstance().setControlEncoding(opts,
> "UTF-8");
> FtpFileSystemConfigBuilder.getInstance().setUserDirIsRoot(opts,
> false);
> FtpFileSystemConfigBuilder.getInstance().setPassiveMode(opts,
> true);
> String ftpUrl = "ftp://"; + username + ":" + password + "@" + host
> + remoteDir;
> FileObject remoteFolder = fsManager.resolveFile(ftpUrl, opts);
> FileObject[] files = remoteFolder.getChildren();
> System.out.println("Files in " + remoteDir + ":");
> for (FileObject file : files) {
> String fileName = file.getName().getBaseName();
> System.out.println(fileName);
> }
> remoteFolder.close();
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> {code}
>
> {code:java}
> <?xml version="1.0" encoding="UTF-8"?>
> <project xmlns="http://maven.apache.org/POM/4.0.0";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/xsd/maven-4.0.0.xsd";>
> <modelVersion>4.0.0</modelVersion>
> <parent>
> <groupId>org.example</groupId>
> <artifactId>VFS2Test</artifactId>
> <version>1.0-SNAPSHOT</version>
> </parent>
> <artifactId>Test</artifactId>
> <properties>
> <maven.compiler.source>17</maven.compiler.source>
> <maven.compiler.target>17</maven.compiler.target>
> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
> </properties>
> <dependencies>
> <dependency>
> <groupId>commons-net</groupId>
> <artifactId>commons-net</artifactId>
> <version>3.11.1</version>
> </dependency>
> <dependency>
> <groupId>org.apache.commons</groupId>
> <artifactId>commons-vfs2</artifactId>
> <version>2.10.0</version>
> </dependency>
> </dependencies>
> </project>{code}
>
> {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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