# "Error: unexpected error - Can't create any SFTP connections!" **URL:** \ **Category:** Questions\ **Created:** [March 12, 2023, 8:45pm UTC](https://discuss.dvc.org/t/error-unexpected-error-cant-create-any-sftp-connections/1559 "2023-03-12T20:45:43Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![JohnAtl](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.dvc.org/johnatl/32/365_2.png) [@JohnAtl](https://discuss.dvc.org/u/JohnAtl)\ **Post date:** [March 12, 2023, 8:45pm UTC](https://discuss.dvc.org/t/error-unexpected-error-cant-create-any-sftp-connections/1559/1 "2023-03-12T20:45:43Z")
Not sure where to go with this. DVC can’t create an sftp connection, but running the sftp command works. Thanks for any suggestions. ```plaintext x dvc status data.dvc: changed outs: modified: data logs.dvc: changed outs: modified: logs (base) Epilepsy on git powertransformec-pca [$!>] took 6s > dvc add logs data 100% Adding...|████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████|2/2 [00:22, 11.38s/file] (base) Epilepsy on git powertransformec-pca [$!+>] took 26s > dvc push ERROR: unexpected error - Can't create any SFTP connections! Having any troubles? Hit us up at https://dvc.org/support, we are always happy to help! (base) Epilepsy on git powertransformec-pca [$!+>] took 8s x git st On branch powertransformec-pca Your branch is ahead of 'origin/powertransformec-pca' by 3 commits. (use "git push" to publish your local commits) Changes to be committed: (use "git restore --staged ..." to unstage) modified: data.dvc modified: logs.dvc Changes not staged for commit: (use "git add ..." to update what will be committed) (use "git restore ..." to discard changes in working directory) modified: src/train.ipynb (base) Epilepsy on git powertransformec-pca [$!+>] > git commit -a -m "dvc modified" Data and pipelines are up to date. [powertransformec-pca 34a814f] dvc modified 3 files changed, 15 insertions(+), 41 deletions(-) (base) Epilepsy on git powertransformec-pca [$>] took 8s > git push ERROR: unexpected error - Can't create any SFTP connections! Having any troubles? Hit us up at https://dvc.org/support, we are always happy to help! error: failed to push some refs to 'github.com:JohnAtl/epilepsy.git' (base) Epilepsy on git powertransformec-pca [$>] took 6s x dvc status Data and pipelines are up to date. (base) Epilepsy on git powertransformec-pca [$>] took 7s > dvc push ERROR: unexpected error - Can't create any SFTP connections! Having any troubles? Hit us up at https://dvc.org/support, we are always happy to help! (base) Epilepsy on git powertransformec-pca [$>] took 5s x sftp johns-imac-pro.local Connected to johns-imac-pro.local. sftp> exit (base) Epilepsy on git powertransformec-pca [$!>] took 3s x dvc remote list imac ssh://johns-imac-pro.local:/Volumes/Data/dvc/epilepsy (base) Epilepsy on git powertransformec-pca [$!>] took 3s > ``` ---
**Author:** ![JohnAtl](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.dvc.org/johnatl/32/365_2.png) [@JohnAtl](https://discuss.dvc.org/u/JohnAtl)\ **Post date:** [March 13, 2023, 1:29am UTC](https://discuss.dvc.org/t/error-unexpected-error-cant-create-any-sftp-connections/1559/2 "2023-03-13T01:29:10Z")
Seems to be a known issue. > > > \# Bug Report > > I open this issue as a follow up to https://github.com/iterative…/dvc/issues/6138 > > \## Description > > \`dvc push\` raises an error when trying to push to an SFTP remote. It used to work with older versions. The SFTP remote I use is a personal Raspberry Pi server. I did not change anything on the server. > > \### Reproduce > > Unfortunately, since I use a private server, I don't know whether it would be easy to reproduce. > > After updating dvc, I tried to run \` dvc push\` and I got these logs: > > \`\`\` > $ dvc push -v -a > 2021-10-03 11:59:51,299 DEBUG: Preparing to transfer data from '.dvc/cache' to 'ssh://\/gcoter/music-generation-v2.dvc' > 2021-10-03 11:59:51,300 DEBUG: Preparing to collect status from 'ssh://\/gcoter/music-generation-v2.dvc' > 2021-10-03 11:59:51,318 DEBUG: Collecting status from 'ssh://\/gcoter/music-generation-v2.dvc' > 2021-10-03 11:59:51,918 DEBUG: Querying 38 hashes via object\_exists > 2021-10-03 12:00:30,881 ERROR: unexpected error - Can't create any SFTP connections! > \------------------------------------------------------------ > Traceback (most recent call last): > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/main.py", line 55, in main > ret = cmd.do\_run() > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/command/base.py", line 45, in do\_run > return self.run() > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/command/data\_sync.py", line 57, in run > processed\_files\_count = self.repo.push( > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/repo/\_\_init\_\_.py", line 50, in wrapper > return f(repo, \*args, \*\*kwargs) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/repo/push.py", line 48, in push > pushed += self.cloud.push(obj\_ids, jobs, remote=remote, odb=odb) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/data\_cloud.py", line 85, in push > return transfer( > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/transfer.py", line 221, in transfer > status = compare\_status(src, dest, obj\_ids, check\_deleted=False, \*\*kwargs) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/status.py", line 160, in compare\_status > dest\_exists, dest\_missing = status( > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/status.py", line 122, in status > exists = hashes.intersection( > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/status.py", line 36, in \_indexed\_dir\_hashes > indexed\_dir\_exists.update(odb.list\_hashes\_exists(indexed\_dirs)) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/db/base.py", line 420, in list\_hashes\_exists > ret = list(itertools.compress(hashes, in\_remote)) > File "/usr/lib/python3.8/concurrent/futures/\_base.py", line 619, in result\_iterator > yield fs.pop().result() > File "/usr/lib/python3.8/concurrent/futures/\_base.py", line 437, in result > return self.\_\_get\_result() > File "/usr/lib/python3.8/concurrent/futures/\_base.py", line 389, in \_\_get\_result > raise self.\_exception > File "/usr/lib/python3.8/concurrent/futures/thread.py", line 57, in run > result = self.fn(\*self.args, \*\*self.kwargs) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/objects/db/base.py", line 411, in exists\_with\_progress > ret = self.fs.exists(path\_info) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/dvc/fs/fsspec\_wrapper.py", line 96, in exists > return self.fs.exists(self.\_with\_bucket(path\_info)) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/fsspec/asyn.py", line 91, in wrapper > return sync(self.loop, func, \*args, \*\*kwargs) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/fsspec/asyn.py", line 71, in sync > raise return\_result > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/fsspec/asyn.py", line 25, in \_runner > result\[0\] = await coro > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/fsspec/asyn.py", line 480, in \_exists > await self.\_info(path) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/sshfs/utils.py", line 27, in wrapper > return await func(\*args, \*\*kwargs) > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/sshfs/spec.py", line 135, in \_info > async with self.\_pool.get() as channel: > File "/usr/lib/python3.8/contextlib.py", line 171, in \_\_aenter\_\_ > return await self.gen.\_\_anext\_\_() > File "/home/gcoter/.cache/pypoetry/virtualenvs/music-generation-v2-7Nqe6-3y-py3.8/lib/python3.8/site-packages/sshfs/pools/soft.py", line 38, in get > raise ValueError("Can't create any SFTP connections!") > ValueError: Can't create any SFTP connections! > \------------------------------------------------------------ > 2021-10-03 12:00:31,971 DEBUG: Version info for developers: > DVC version: 2.7.2 (pip) > \--------------------------------- > Platform: Python 3.8.10 on Linux-5.4.0-88-generic-x86\_64-with-glibc2.29 > Supports: > http (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), > https (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), > ssh (sshfs = 2021.9.0) > Cache types: hardlink, symlink > Cache directory: ext4 on /dev/sda5 > Caches: local > Remotes: ssh > Workspace directory: ext4 on /dev/sda5 > Repo: dvc, git > > Having any troubles? Hit us up at https://dvc.org/support, we are always happy to help! > 2021-10-03 12:00:31,973 DEBUG: Analytics is enabled. > 2021-10-03 12:00:32,040 DEBUG: Trying to spawn '\['daemon', '-q', 'analytics', '/tmp/tmpkmytybwl'\]' > 2021-10-03 12:00:32,043 DEBUG: Spawned '\['daemon', '-q', 'analytics', '/tmp/tmpkmytybwl'\]' > \`\`\` > > \### Expected > > Since I did not change the configuration of my server and it used to work, I would expect \`dvc push\` to work. > > \### Environment information > > \`\`\`console > $ dvc doctor > DVC version: 2.7.2 (pip) > \--------------------------------- > Platform: Python 3.8.10 on Linux-5.4.0-89-generic-x86\_64-with-glibc2.29 > Supports: > http (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), > https (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), > ssh (sshfs = 2021.9.0) > Cache types: hardlink, symlink > Cache directory: ext4 on /dev/sda5 > Caches: local > Remotes: ssh > Workspace directory: ext4 on /dev/sda5 > Repo: dvc, git > \`\`\`