Xinfeng.Chen created NET-658:
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Summary: 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
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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