python ftplib上传文件出现ftplib.error_perm 550 The parameter is incorrect错误的原因和解决

首先确认服务器没有问题

错误示例

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "app.py", line 104, in ftp_upload
ret = ftp.storlines('STOR %s' % (os.path.basename(file)), file_handler)
File "/usr/lib/python2.7/ftplib.py", line 493, in storlines
conn = self.transfercmd(cmd)
File "/usr/lib/python2.7/ftplib.py", line 376, in transfercmd
return self.ntransfercmd(cmd, rest)[0]
File "/usr/lib/python2.7/ftplib.py", line 339, in ntransfercmd
resp = self.sendcmd(cmd)
File "/usr/lib/python2.7/ftplib.py", line 249, in sendcmd
return self.getresp()
File "/usr/lib/python2.7/ftplib.py", line 224, in getresp
raise error_perm, resp
ftplib.error_perm: 550 The parameter is incorrect

错误原因

解决