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From "Xinfeng.Chen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (NET-658) FTPClient.retrieveFile hang due to data connection failure
Date Mon, 05 Mar 2018 05:46:00 GMT

     [ https://issues.apache.org/jira/browse/NET-658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xinfeng.Chen resolved NET-658.
------------------------------
    Resolution: Not A Bug

I inspected the codes and found that there is a method which can set port range to avoid this.
Sorry!

> FTPClient.retrieveFile hang due to data connection failure
> ----------------------------------------------------------
>
>                 Key: NET-658
>                 URL: https://issues.apache.org/jira/browse/NET-658
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 3.6
>         Environment: Server:
> FileZilla Server 0.9.60 beta
> windows 10 x64
>  
> Client:
> Linux 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64
GNU/Linux
> java 1.8.0_11
>  
>  
>            Reporter: Xinfeng.Chen
>            Priority: Major
>         Attachments: 2018-3-2 17-02-57.png
>
>
> When retrieving files from FTP server, the client will open a data connection with an
in-use port and failed in server, but the client hung in this function(no error, no exception,
even the connection is closed due to timeout by server). This will occur after successfully
getting hundreds of files (I have more than 4000 small files to be transferred, it will fail
after 100+ or 300+ or 400+ files. It always fail to FTP 4000 small files.)



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