Actually the client use AS400 FTP to our FTP server and the FTP seems has come in to our server but with zero byte. After that when customer try to FTP the second time, it can replace the zero byte file, but when our engine try to read and process it, it is failed because the first file is being held by the FTP engine and cause it hang. That is why it shows the process is being used by another process. So now, we need to manually restart the FTP server to allow the engine run.
Any idea on if the first file is being held by the FTP engine, can it automatically detect and cut off the holding process and allowed to accept for the second try without restart the FTP engine?
Does it due to line connection problem? Usually is happen to the same file.
100-199
ftp command was successful, server is waiting for the next ftp command.
200-299
ftp commands had been running successfully
300-399
ftp command were sucessful, server is waiting for further commands, to successfully end the ftp session.
400-499
ftp command was not successful. This might be a temporary problem. Rinning the ftp command again may run successfully.
500-599
error on ftp command. A retry of the same command will end up in the same error.
Depending on the exact status code between 400 and 499 may give a better hint.
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