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socket.timeout: The write operation timed out
Hi,
I am trying to uload a single file based on the example code from here: https://github.com/dropbox/dropbox-sdk-python/blob/master/example/back-up-and-restore/backup-and-restore-example.py
On my Mac ist works flawlessly. But when I run the very same code on my Windows server 2018 R2 it throws the follwoing error. Python is the same version - 3.5.2. Any ideas are more than welcome.
C:\Users\Administrator\Documents\scripts\web2dropbox>python www2dropbox.py
Creating a Dropbox object...
upload file JTL-20180331.tar.bz2 to Dropbox /JTL-20180331.tar.bz2
Uploading ./temp/JTL-20180331.tar.bz2 to Dropbox as /JTL-20180331.tar.bz2...
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\connectionpool.py", line 601, in urlopen
chunked=chunked)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\connectionpool.py", line 357, in _make_request
conn.request(method, url, **httplib_request_kw)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1106, in request
self._send_request(method, url, body, headers)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1151, in _send_request
self.endheaders(body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1102, in endheaders
self._send_output(message_body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 936, in _send_output
self.send(message_body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 908, in send
self.sock.sendall(data)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 891, in sendall
v = self.send(data[count:])
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 861, in send
return self._sslobj.write(data)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 586, in write
return self._sslobj.write(data)
socket.timeout: The write operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\requests\adapters.py", line 440, in send
timeout=timeout
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\connectionpool.py", line 639, in urlopen
_stacktrace=sys.exc_info()[2])
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\util\retry.py", line 357, in increment
raise six.reraise(type(error), error, _stacktrace)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\packages\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\connectionpool.py", line 601, in urlopen
chunked=chunked)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\urllib3\connectionpool.py", line 357, in _make_request
conn.request(method, url, **httplib_request_kw)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1106, in request
self._send_request(method, url, body, headers)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1151, in _send_request
self.endheaders(body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 1102, in endheaders
self._send_output(message_body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 936, in _send_output
self.send(message_body)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\http\c
lient.py", line 908, in send
self.sock.sendall(data)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 891, in sendall
v = self.send(data[count:])
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 861, in send
return self._sslobj.write(data)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\ssl.py
", line 586, in write
return self._sslobj.write(data)
urllib3.exceptions.ProtocolError: ('Connection aborted.', timeout('The write ope
ration timed out',))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "www2dropbox.py", line 186, in <module>
main()
File "www2dropbox.py", line 180, in main
backup2dbx(dbx, local_filename, backup_path + filename)
File "www2dropbox.py", line 27, in backup2dbx
dbx.files_upload(f.read(), backup_path, mode=WriteMode('overwrite'))
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\dropbox\base.py", line 2125, in files_upload
f,
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\dropbox\dropbox.py", line 272, in request
timeout=timeout)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\dropbox\dropbox.py", line 363, in request_json_string_with_retry
timeout=timeout)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\dropbox\dropbox.py", line 447, in request_json_string
timeout=timeout,
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\requests\sessions.py", line 555, in post
return self.request('POST', url, data=data, json=json, **kwargs)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\requests\sessions.py", line 508, in request
resp = self.send(prep, **send_kwargs)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\requests\sessions.py", line 618, in send
r = adapter.send(request, **kwargs)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35\lib\site-p
ackages\requests\adapters.py", line 490, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', timeout('The write
operation timed out',))
C:\Users\Administrator\Documents\scripts\web2dropbox>Many Thanks,
Meister
Thanks! The single files_upload method used in that sample is only meant for files up to 150 MB in size. That isn't necessarily a strict limit though, so files larger than that may or may not fail, and it may be inconsistent across different machines/network connections. For large files, you'll need to switch to upload sessions.
- Greg-DB
Dropbox Staff
How big is the file you're trying to upload when this occurs? The sample doesn't use upload sessions, so it can only handle small files. If you need it to support large files, you'll need to update it to use upload sessions.
Otherwise, this might just indicate transient server/network issues. If you're still seeing this, there may be something interfering with your connection. Do you have anything on that network connection, e.g., firewall or proxy, that may be preventing your app from successfully connecting to the Dropbox servers?
The file is 250-300MB. As mentioned, it worked on my Mac on which I tested the script first with the same file. The datapath is identical and local firewall on the windows server is switched off
- Greg-DB
Thanks! The single files_upload method used in that sample is only meant for files up to 150 MB in size. That isn't necessarily a strict limit though, so files larger than that may or may not fail, and it may be inconsistent across different machines/network connections. For large files, you'll need to switch to upload sessions.
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