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https://issues.apache.org/jira/browse/NET-61?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840558#action_12840558
]
Philip Yao commented on NET-61:
-------------------------------
i have sloved.
My code is not work like this:
--------------------------------------------------------------
public boolean createDirectory(String pathName){
boolean success = true;
try{
if(!ftp.isConnected()) {
this.connectFtpServer();
}
pathName = new String(pathName.getBytes("GBK"),
"iso-8859-1");
FTPFile[] ftpFileArr = ftp.listFiles();
for(FTPFile f : ftpFileArr){
if(pathName.equals(f.getName())){
return true;
}
}
ftp.makeDirectory(pathName);
}catch (Exception ie){
logger.error("创建目录出错！", ie);
success = false;
}
return success;
}
----------------------------------------------------
On the works fine (my notebook).I found the ftp log is :
220 Serv-U FTP Server v6.4 for WinSock ready...
USER user
331 User name okay, need password.
PASS user
230 User logged in, proceed.
CWD ????????
250 Directory changed to /????????
PASV
227 Entering Passive Mode (192,168,137,7,173,212)
227
SYST
215 UNIX Type: L8
PORT 192,168,137,7,4,152
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
-----------------------------------------------------
On the not work server(DELL 1950) .i found the log is no PASV.
So I change the Code like this:
public boolean createDirectory(String pathName){
boolean success = true;
try{
if(!ftp.isConnected()) {
this.connectFtpServer();
}
pathName = new String(pathName.getBytes("GBK"),
"iso-8859-1");
ftp.enterLocalPassiveMode();
FTPFile[] ftpFileArr = ftp.listFiles();
for(FTPFile f : ftpFileArr){
if(pathName.equals(f.getName())){
return true;
}
}
ftp.makeDirectory(pathName);
}catch (Exception ie){
logger.error("创建目录出错！", ie);
success = false;
}
return success;
}
-------------------------------------------------------
Before call ftp.listFiles() , call ftp.enterLocalPassiveMode(); Frist;
> [net] FTPClient.listFiles() hangs on Red Hat Linux
> --------------------------------------------------
>
> Key: NET-61
> URL: https://issues.apache.org/jira/browse/NET-61
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4
> Environment: Operating System: Linux
> Platform: PC
> Reporter: George Van Treeck
> Priority: Blocker
>
> A Java app that uses FTPClient to download a file from a website to Windows
> XP
> works properly. But, when the same app runs on Linux to download the same
> file
> from the same website, it hangs at listFiles().
> Using Java 1.5.0_03 on both the Windows XP and Linux. The version of Linux
> used is Fedor Red Hat Linux Core 3 with all the latest updates. The following
> segment of code from the program demonstrates the problem:
> FTPClient ftp = new FTPClient();
> ftp.connect(host);
> reply = ftp.getReplyCode();
> if (!FTPReply.isPositiveCompletion(reply)) {
> final String ftpStatus = ftp.getReplyString();
> ftp.disconnect();
> throw new IOException(
> "FTP server refused connection. Status: " +
> ftpStatus);
> }
> ftp.login(user, password);
> reply = ftp.getReplyCode();
> if (!FTPReply.isPositiveCompletion(reply)) {
> final String ftpStatus = ftp.getReplyString();
> ftp.disconnect();
> throw new IOException(
> "FTP server refused username/password. Status: " +
> ftpStatus);
> }
> String[] list = ftp.listNames();
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