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From "Joseph Vychtrle (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NET-553) listFiles(String) returns an empty list, even though FTP Server has sent back data
Date Mon, 02 Feb 2015 21:54:36 GMT

    [ https://issues.apache.org/jira/browse/NET-553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14302001#comment-14302001
] 

Joseph Vychtrle commented on NET-553:
-------------------------------------

Got it, I don't know why, but this solved the problem :
{code:title=FTPClient.java}
  client.enterLocalPassiveMode()
{code}
What a stuck...

> listFiles(String) returns an empty list, even though FTP Server has sent back data
> ----------------------------------------------------------------------------------
>
>                 Key: NET-553
>                 URL: https://issues.apache.org/jira/browse/NET-553
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 2.0, 3.3
>         Environment: AIX
>            Reporter: Paul Titheridge
>
> We've been using the Apache Commons 2.0 and 3.3 library for a while now, and have just
run into an issue.
> The FTP client application and the FTP Server are running on different AIX systems.
> When the FTP application calls the:
>   FTPClient.listFiles(String) 
> command to get some information about a file stored on the FTP Server,  the method intermittently
returns an array containing no elements. However, looking at documentation from both the FTP
Server and the network, it can be seen that the FTP Server is actually sending back what appears
to be a valid response to the LIST command issued by FTPClient.listFiles(String).
> The response sent by the FTP Server contains the file name and attribute information,
which is what we expect to see. For some reason, that information is not returned back to
the application by the FTPClient.listFiles(String) method.
> The problem only seems to occur under load.
> Has anyone seen this before, or have any suggestions as to what might be causing it?

> Thanks in advance
> Paul



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