Connection timed out for VOCSegmentation dataset #9269
Description
🐛 Describe the bug
from torchvision import datasets
data_path = './PascalVOCDataset'
train_dataset = datasets.VOCSegmentation(
root=data_path,
year='2012',
image_set='train',
download=True,
transforms=None,
)
This throws the following error:
---------------------------------------------------------------------------
TimeoutError Traceback (most recent call last)
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:1348, in AbstractHTTPHandler.do_open(self, http_class, req, **http_conn_args)
1347 try:
-> 1348 h.request(req.get_method(), req.selector, req.data, headers,
1349 encode_chunked=req.has_header('Transfer-encoding'))
1350 except OSError as err: # timeout error
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:1276, in HTTPConnection.request(self, method, url, body, headers, encode_chunked)
1275 """Send a complete request to the server."""
-> 1276 self._send_request(method, url, body, headers, encode_chunked)
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:1322, in HTTPConnection._send_request(self, method, url, body, headers, encode_chunked)
1321 body = _encode(body, 'body')
-> 1322 self.endheaders(body, encode_chunked=encode_chunked)
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:1271, in HTTPConnection.endheaders(self, message_body, encode_chunked)
1270 raise CannotSendHeader()
-> 1271 self._send_output(message_body, encode_chunked=encode_chunked)
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:1031, in HTTPConnection._send_output(self, message_body, encode_chunked)
1030 del self._buffer[:]
-> 1031 self.send(msg)
1033 if message_body is not None:
1034
1035 # create a consistent interface to message_body
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:969, in HTTPConnection.send(self, data)
968 if self.auto_open:
--> 969 self.connect()
970 else:
File ~/micromamba/envs/libt/lib/python3.10/http/client.py:940, in HTTPConnection.connect(self)
939 sys.audit("http.client.connect", self, self.host, self.port)
--> 940 self.sock = self._create_connection(
941 (self.host,self.port), self.timeout, self.source_address)
942 self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
File ~/micromamba/envs/libt/lib/python3.10/socket.py:845, in create_connection(address, timeout, source_address)
844 try:
--> 845 raise err
846 finally:
847 # Break explicitly a reference cycle
File ~/micromamba/envs/libt/lib/python3.10/socket.py:833, in create_connection(address, timeout, source_address)
832 sock.bind(source_address)
--> 833 sock.connect(sa)
834 # Break explicitly a reference cycle
TimeoutError: [Errno 110] Connection timed out
During handling of the above exception, another exception occurred:
URLError Traceback (most recent call last)
Cell In[3], line 3
1 from torchvision import datasets
----> 3 train_dataset = datasets.VOCSegmentation(
4 root=data_path,
5 year='2012',
6 image_set='train',
7 download=True,
8 transforms=None,
9 )
File ~/micromamba/envs/libt/lib/python3.10/site-packages/torchvision/datasets/voc.py:98, in _VOCBase.__init__(self, root, year, image_set, download, transform, target_transform, transforms)
95 voc_root = os.path.join(self.root, base_dir)
97 if download:
---> 98 download_and_extract_archive(self.url, self.root, filename=self.filename, md5=self.md5)
100 if not os.path.isdir(voc_root):
101 raise RuntimeError("Dataset not found or corrupted. You can use download=True to download it")
File ~/micromamba/envs/libt/lib/python3.10/site-packages/torchvision/datasets/utils.py:388, in download_and_extract_archive(url, download_root, extract_root, filename, md5, remove_finished)
385 if not filename:
386 filename = os.path.basename(url)
--> 388 download_url(url, download_root, filename, md5)
390 archive = os.path.join(download_root, filename)
391 extract_archive(archive, extract_root, remove_finished)
File ~/micromamba/envs/libt/lib/python3.10/site-packages/torchvision/datasets/utils.py:118, in download_url(url, root, filename, md5, max_redirect_hops)
115 _download_file_from_remote_location(fpath, url)
116 else:
117 # expand redirect chain if needed
--> 118 url = _get_redirect_url(url, max_hops=max_redirect_hops)
120 # check if file is located on Google Drive
121 file_id = _get_google_drive_file_id(url)
File ~/micromamba/envs/libt/lib/python3.10/site-packages/torchvision/datasets/utils.py:63, in _get_redirect_url(url, max_hops)
60 headers = {"Method": "HEAD", "User-Agent": USER_AGENT}
62 for _ in range(max_hops + 1):
---> 63 with urllib.request.urlopen(urllib.request.Request(url, headers=headers)) as response:
64 if response.url == url or response.url is None:
65 return url
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:216, in urlopen(url, data, timeout, cafile, capath, cadefault, context)
214 else:
215 opener = _opener
--> 216 return opener.open(url, data, timeout)
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:519, in OpenerDirector.open(self, fullurl, data, timeout)
516 req = meth(req)
518 sys.audit('urllib.Request', req.full_url, req.data, req.headers, req.get_method())
--> 519 response = self._open(req, data)
521 # post-process response
522 meth_name = protocol+"_response"
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:536, in OpenerDirector._open(self, req, data)
533 return result
535 protocol = req.type
--> 536 result = self._call_chain(self.handle_open, protocol, protocol +
537 '_open', req)
538 if result:
539 return result
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:496, in OpenerDirector._call_chain(self, chain, kind, meth_name, *args)
494 for handler in handlers:
495 func = getattr(handler, meth_name)
--> 496 result = func(*args)
497 if result is not None:
498 return result
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:1377, in HTTPHandler.http_open(self, req)
1376 def http_open(self, req):
-> 1377 return self.do_open(http.client.HTTPConnection, req)
File ~/micromamba/envs/libt/lib/python3.10/urllib/request.py:1351, in AbstractHTTPHandler.do_open(self, http_class, req, **http_conn_args)
1348 h.request(req.get_method(), req.selector, req.data, headers,
1349 encode_chunked=req.has_header('Transfer-encoding'))
1350 except OSError as err: # timeout error
-> 1351 raise URLError(err)
1352 r = h.getresponse()
1353 except:
URLError: <urlopen error [Errno 110] Connection timed out>
Versions
torch 2.9.1
torchvision 0.24.1