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From "Bill Giel (JIRA)" <j...@apache.org>
Subject [jira] Created: (NET-140) FTPClient listFiles returns incorrect timestamp on freshly uploaded file but corrects itself after about 15 minutes
Date Sat, 02 Sep 2006 20:55:22 GMT
FTPClient listFiles returns incorrect timestamp on freshly uploaded file but corrects itself
after about 15 minutes
-------------------------------------------------------------------------------------------------------------------

                 Key: NET-140
                 URL: http://issues.apache.org/jira/browse/NET-140
             Project: Commons Net
          Issue Type: Bug
    Affects Versions: 1.4 Final
         Environment: Windows local client site, Linux remote server site
            Reporter: Bill Giel


This is an odd one:

We upload GPS data each hour to a public site using FTPClient. Every 24 hours we check for
files older than 60 days using listFiles and getting the timestamps do decide if we want to
delete older files.

When we list the files, the most recently uploaded files have a time stamp exactly one year
too old. After about 15 minutes, it seems to correct itself and eventually displays the correct
timestamp.

During this time while FTPFile.getTimestamp is giving the incorrect timestamp, browsing the
folder with a web browser, a commercial FTP client, or actually checking the file info in
a shell shows the correct timestamp (i.e. does not seem to be a problem on the remote site)

commons-net-1.4.1 (as well as commons-net-20060901) exhibits this behavior.

commons-net-1.3.0 works properly

I did a little investigating, and it seems to happen with every file written to the remote
directory each hour, and the incorrect timestamp will be returned using listFiles for about
15 minutes... and then it corrects itself.


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