"ValueError: check_hostname requires server_hostname" when trying to update conda #10590
Comments
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I also encountered the same problem，conda version : 4.10.1. |
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This problem occurs when I connect to the VPN, and there is no problem without the VPN, but my download speed is slow. |
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If you have set |
Thank you, this method is useful, it can be used with VPN now. |
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Thank you, @WMQ1999 and @RengarWang ! Unfortunately, I still encounter an error:
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@tykutar |
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@RengarWang , thank you for your advice.
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Eh...? what if after I set the proxy I can go smoothly with the prompt, but I still unable to use the Navigator (the same error, ValueError: check_hostname requires server_hostname). Before I set the proxy I even get error from the promt. |
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I use VPN and encountered this bug.
works fine to me. 🤣 Navigator Error
An unexpected error occurred on Navigator start-up
Report
Please report this issue in the anaconda issue tracker
Main Error
check_hostname requires server_hostname
Traceback
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\exceptions.py", line 72, in exception_handler
return_value = func(*args, **kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\app\start.py", line 146, in start_app
window = run_app(splash)
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\app\start.py", line 65, in run_app
window = MainWindow(splash=splash)
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\widgets\main_window.py", line 165, in __init__
self.api = AnacondaAPI()
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\api\anaconda_api.py", line 1518, in AnacondaAPI
ANACONDA_API = _AnacondaAPI()
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\api\anaconda_api.py", line 83, in __init__
self._client_api = ClientAPI(config=self.config)
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\api\client_api.py", line 659, in ClientAPI
CLIENT_API = _ClientAPI(config=config)
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\api\client_api.py", line 95, in __init__
self.reload_client()
File "C:\ProgramData\Anaconda3\lib\site-packages\anaconda_navigator\api\client_api.py", line 326, in reload_client
client.user()
File "C:\ProgramData\Anaconda3\lib\site-packages\binstar_client\__init__.py", line 244, in user
res = self.session.get(url, verify=self.session.verify)
File "C:\ProgramData\Anaconda3\lib\site-packages\requests\sessions.py", line 555, in get
return self.request('GET', url, **kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\requests\sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\requests\sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\requests\adapters.py", line 439, in send
resp = conn.urlopen(
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 696, in urlopen
self._prepare_proxy(conn)
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 964, in _prepare_proxy
conn.connect()
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\connection.py", line 359, in connect
conn = self._connect_tls_proxy(hostname, conn)
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\connection.py", line 500, in _connect_tls_proxy
return ssl_wrap_socket(
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\util\ssl_.py", line 432, in ssl_wrap_socket
ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
File "C:\ProgramData\Anaconda3\lib\site-packages\urllib3\util\ssl_.py", line 474, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File "C:\ProgramData\Anaconda3\lib\ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "C:\ProgramData\Anaconda3\lib\ssl.py", line 997, in _create
raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname |
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Thank you for all your help! |
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I had the same problem, but I found out that the HTTP proxy setting in Pycharm was set to "No Proxy", and after I put in the setting of my proxy I can "pip install" within Pycharm without any issue. |
UpdateEDIT: 2023/03/18 核心解决思路为绕过 TLS in TLS 机制。
Solution请尝试按顺序执行如下操作解决此问题：
[注意] 若您使用 PyCharm 编辑工程，请在设置中关闭代理。Pycharm 中的代理设置仅对软件本身有效，如插件商店，而诸如通过 conda 创建 python 虚拟环境等操作是通过 shell 实现的，这些流量走系统代理。 Analysis此部分涉及到的网络通信较为复杂，玩家可能在任何意想不到的场景遇到此报错。 根据栈底上下文判断，个人认为 ValueError 是由 此外，这对中国大陆的开发者来说是一个 因此，对于国内用户来说，使用不存在 Related Issues
对于国内用户来说，使用 若您按照 |
This solution (installing urllib3 == 1.25.8) solved my issue reported in: rkhal101/Web-Security-Academy-Series#3 |
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I tried all methods mentioned above but couldn't get it to work. I would still get 443 connection timeout in Pycharm or VSCode alike. |
用"localhost"而不是"127.0.0.1"就好了，也是奇怪 |
Thank you. |
thank you bro ! I solved my problem. |
only this works for me ~~ |
This one works for me. Thx |
Thank you very much!!! It solves my problem!!! It's important to install urllib3==1.25.11!!! |
This really works for me! |
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close vpn will works |
and others
Current Behavior
conda update condaresults inValueError: check_hostname requires server_hostnameconda install --revision [#]results in the same error.Steps to Reproduce
Expected Behavior
conda update condaworked normally prior to rev 9,so I'm guessing rev 9 has something to do with this error.
Any help is appreciated.
Environment Information
`conda info``conda config --show-sources``conda list --show-channel-urls`The text was updated successfully, but these errors were encountered: