Brats dataset bug!!!

[1580827935]

Training on the Brats dataset yields errors, but can still be trained. Please tell me why these errors.

/home/ubuntu/anaconda3/envs/medsegdiff/bin/python /media/ubuntu/89696b21-997d-42b2-a1c0-b16d972fd7b72/hlq/MedSegDiff-master/scripts/segmentation_train.py --data_name BRATS --data_dir /media/ubuntu/89696b21-997d-42b2-a1c0-b16d972fd7b72/hlq/data/BraTS2020/training --out_dir './BRATS2020_results/' --image_size 256 --num_channels 128 --class_cond False --num_res_blocks 2 --num_heads 1 --learn_sigma True --use_scale_shift_norm False --attention_resolutions 16 --diffusion_steps 1000 --noise_schedule linear --rescale_learned_sigmas False --rescale_timesteps False --lr 1e-4 --batch_size 8
Setting up a new session...
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connection.py", line 199, in _new_conn
sock = connection.create_connection(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/util/connection.py", line 85, in create_connection
raise err
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/util/connection.py", line 73, in create_connection
sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connectionpool.py", line 789, in urlopen
response = self._make_request(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connectionpool.py", line 495, in _make_request
conn.request(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connection.py", line 441, in request
self.endheaders()
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/http/client.py", line 1251, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/http/client.py", line 1011, in _send_output
self.send(msg)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/http/client.py", line 951, in send
self.connect()
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connection.py", line 279, in connect
self.sock = self._new_conn()
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connection.py", line 214, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f7d5d13ca30>: Failed to establish a new connection: [Errno 111] Connection refused

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/requests/adapters.py", line 667, in send
resp = conn.urlopen(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/connectionpool.py", line 843, in urlopen
retries = retries.increment(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/urllib3/util/retry.py", line 519, in increment
raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='localhost', port=8850): Max retries exceeded with url: /env/main (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f7d5d13ca30>: Failed to establish a new connection: [Errno 111] Connection refused'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/visdom/init.py", line 756, in _send
return self._handle_post(
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/visdom/init.py", line 720, in _handle_post
r = self.session.post(url, data=data)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/requests/sessions.py", line 637, in post
return self.request("POST", url, data=data, json=json, **kwargs)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/requests/sessions.py", line 589, in request
resp = self.send(prep, **send_kwargs)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/requests/sessions.py", line 703, in send
r = adapter.send(request, **kwargs)
File "/home/ubuntu/anaconda3/envs/medsegdiff/lib/python3.8/site-packages/requests/adapters.py", line 700, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost', port=8850): Max retries exceeded with url: /env/main (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f7d5d13ca30>: Failed to establish a new connection: [Errno 111] Connection refused'))
[Errno 111] Connection refused
on_close() takes 1 positional argument but 3 were given
Exception in user code:

Logging to './BRATS2020_results/'
creating data loader...
creating model and diffusion...
training...

| grad_norm | 7.4 |
| loss | 1.01 |
| loss_cal | 0.232 |
| loss_cal_q0 | 0.241 |
| loss_cal_q1 | 0.254 |
| loss_cal_q2 | 0.225 |
| loss_cal_q3 | 0.19 |
| loss_diff | 1 |
| loss_diff_q0 | 1 |
| loss_diff_q1 | 0.997 |
| loss_diff_q2 | 1 |
| loss_diff_q3 | 0.999 |
| loss_q0 | 1.01 |
| loss_q1 | 1 |
| loss_q2 | 1.01 |
| loss_q3 | 1.01 |
| param_norm | 233 |
| samples | 8 |
| step | 0 |
| vb | 0.0106 |
| vb_q0 | 0.0128 |
| vb_q1 | 0.00749 |
| vb_q2 | 0.0104 |
| vb_q3 | 0.013 |

saving model 0...
saving model 0.9999...

| grad_norm | 6.06 |
| loss | 0.905 |
| loss_cal | 0.131 |
| loss_cal_q0 | 0.123 |
| loss_cal_q1 | 0.132 |
| loss_cal_q2 | 0.137 |
| loss_cal_q3 | 0.129 |
| loss_diff | 0.89 |
| loss_diff_q0 | 0.9 |
| loss_diff_q1 | 0.896 |
| loss_diff_q2 | 0.898 |
| loss_diff_q3 | 0.868 |
| loss_q0 | 0.937 |
| loss_q1 | 0.903 |
| loss_q2 | 0.907 |
| loss_q3 | 0.879 |
| param_norm | 233 |
| samples | 808 |
| step | 100 |
| vb | 0.0151 |
| vb_q0 | 0.0369 |
| vb_q1 | 0.00664 |
| vb_q2 | 0.00833 |
| vb_q3 | 0.0112 |