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https://issues.apache.org/jira/browse/FTPSERVER-414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040672#comment-13040672
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Niklas Gustavsson commented on FTPSERVER-414:
---------------------------------------------
Do you get the same problem for other multiline replies, like MLST?
> STAT / creates invalid directory listing (with Patch)
> -----------------------------------------------------
>
> Key: FTPSERVER-414
> URL: https://issues.apache.org/jira/browse/FTPSERVER-414
> Project: FtpServer
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.0.5
> Reporter: Emmeran Seehuber
>
> Some ftp clients (e.g. Cyberduck on Mac OS X) use the STAT command to list
> directores. The reply contains an invalid status code in the last line, which
> causes the ftp client to ignore the last line. So the last file in the
> directory does not show up in the ftp client listing:
> 614869 [pool-3-thread-6] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - RECEIVED: STAT /
> 615085 [pool-3-thread-6] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 200---w------- 1
> [email protected] [email protected] 21581 Jan 1 1970 uxz.pdf
> --w------- 1 [email protected] [email protected] 5788 Jan 1
> 1970 abc.pdf
> --w------- 1 [email protected] [email protected] 415447 Jan 1
> 1970 def.pdf
> 200 --w------- 1 [email protected] [email protected] 822782 Jan
> 1 1970 xyz.pdf
> I dont know if this is a bug in the ftp client. But at least the following
> patch to the STAT command fixes the problem for me:
> diff --git a/org/apache/ftpserver/command/impl/STAT.java
> b/org/apache/ftpserver/command/impl/STAT.java
> index 19674b2..5ca76c1 100644
> --- a/org/apache/ftpserver/command/impl/STAT.java
> +++ b/org/apache/ftpserver/command/impl/STAT.java
> @@ -77,10 +77,6 @@ public class STAT extends AbstractCommand {
>
> String dirList = directoryLister.listFiles(parsedArg,
> session.getFileSystemView(), LIST_FILE_FORMATER);
> + // DefaultFtpReply prepends the status code to the last line.
> + // This causes the STAT directory listing to loose the last
> directory entry in some clients
> + // e.g. Cyberduck
> + dirList += " \n";
>
> session
> .write(new DefaultFtpReply(
> With this patch applied the output looks like this:
> 615085 [pool-3-thread-6] INFO
> org.apache.ftpserver.listener.nio.FtpLoggingFilter - SENT: 200---w------- 1
> [email protected] [email protected] 21581 Jan 1 1970 uxz.pdf
> --w------- 1 [email protected] [email protected] 5788 Jan 1
> 1970 abc.pdf
> --w------- 1 [email protected] [email protected] 415447 Jan 1
> 1970 def.pdf
> --w------- 1 [email protected] [email protected] 822782 Jan 1
> 1970 xyz.pdf
> 200
> And know the clients work correctly.
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