解决方法：关闭VPN！！！
(base) ➜ Desktop conda update conda
Collecting package metadata (current_repodata.json): failed
# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<
Traceback (most recent call last):
File "E:devenvPythonminiconda3libsite-packagescondaexceptions.py", line 1079, in __call__
return func(*args, **kwargs)
File "E:devenvPythonminiconda3libsite-packagescondaclimain.py", line 84, in _main
exit_code = do_call(args, p)
File "E:devenvPythonminiconda3libsite-packagescondacliconda_argparse.py", line 83, in do_call
return getattr(module, func_name)(args, parser)
File "E:devenvPythonminiconda3libsite-packagescondaclimain_update.py", line 20, in execute
install(args, parser, 'update')
File "E:devenvPythonminiconda3libsite-packagescondacliinstall.py", line 261, in install
unlink_link_transaction = solver.solve_for_transaction(
File "E:devenvPythonminiconda3libsite-packagescondacoresolve.py", line 114, in solve_for_transaction
unlink_precs, link_precs = self.solve_for_diff(update_modifier, deps_modifier,
File "E:devenvPythonminiconda3libsite-packagescondacoresolve.py", line 157, in solve_for_diff
final_precs = self.solve_final_state(update_modifier, deps_modifier, prune, ignore_pinned,
File "E:devenvPythonminiconda3libsite-packagescondacoresolve.py", line 262, in solve_final_state
ssc = self._collect_all_metadata(ssc)
File "E:devenvPythonminiconda3libsite-packagescondacommonio.py", line 88, in decorated
return f(*args, **kwds)
File "E:devenvPythonminiconda3libsite-packagescondacoresolve.py", line 425, in _collect_all_metadata
index, r = self._prepare(prepared_specs)
File "E:devenvPythonminiconda3libsite-packagescondacoresolve.py", line 1020, in _prepare
reduced_index = get_reduced_index(self.prefix, self.channels,
File "E:devenvPythonminiconda3libsite-packagescondacoreindex.py", line 288, in get_reduced_index
new_records = SubdirData.query_all(spec, channels=channels, subdirs=subdirs,
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 140, in query_all
result = tuple(concat(executor.map(subdir_query, channel_urls)))
File "E:devenvPythonminiconda3libconcurrentfutures_base.py", line 608, in result_iterator
yield fs.pop().result()
File "E:devenvPythonminiconda3libconcurrentfutures_base.py", line 445, in result
return self.__get_result()
File "E:devenvPythonminiconda3libconcurrentfutures_base.py", line 390, in __get_result
raise self._exception
File "E:devenvPythonminiconda3libconcurrentfuturesthread.py", line 52, in run
result = self.fn(*self.args, **self.kwargs)
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 132, in
subdir_query = lambda url: tuple(SubdirData(Channel(url), repodata_fn=repodata_fn).query(
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 145, in query
self.load()
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 210, in load
_internal_state = self._load()
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 375, in _load
raw_repodata_str = fetch_repodata_remote_request(
File "E:devenvPythonminiconda3libsite-packagescondacoresubdir_data.py", line 701, in fetch_repodata_remote_request
resp = session.get(join_url(url, filename), headers=headers, proxies=session.proxies,
File "E:devenvPythonminiconda3libsite-packagesrequestssessions.py", line 555, in get
return self.request('GET', url, **kwargs)
File "E:devenvPythonminiconda3libsite-packagesrequestssessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "E:devenvPythonminiconda3libsite-packagesrequestssessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "E:devenvPythonminiconda3libsite-packagesrequestsadapters.py", line 439, in send
resp = conn.urlopen(
File "E:devenvPythonminiconda3libsite-packagesurllib3connectionpool.py", line 696, in urlopen
self._prepare_proxy(conn)
File "E:devenvPythonminiconda3libsite-packagesurllib3connectionpool.py", line 964, in _prepare_proxy
conn.connect()
File "E:devenvPythonminiconda3libsite-packagesurllib3connection.py", line 359, in connect
conn = self._connect_tls_proxy(hostname, conn)
File "E:devenvPythonminiconda3libsite-packagesurllib3connection.py", line 500, in _connect_tls_proxy
return ssl_wrap_socket(
File "E:devenvPythonminiconda3libsite-packagesurllib3utilssl_.py", line 453, in ssl_wrap_socket
ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
File "E:devenvPythonminiconda3libsite-packagesurllib3utilssl_.py", line 495, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File "E:devenvPythonminiconda3libssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "E:devenvPythonminiconda3libssl.py", line 997, in _create
raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname
`$ E:devenvPythonminiconda3scriptsconda-script.py update conda`
environment variables:
CIO_TEST=
CONDA_DEFAULT_ENV=base
CONDA_EXE=E:devenvPythonminiconda3scriptsconda.exe
CONDA_PREFIX=E:devenvPythonminiconda3
CONDA_prompt_MODIFIER=False
CONDA_PYTHON_EXE=E:devenvPythonminiconda3python.exe
CONDA_ROOT=E:devenvPythonminiconda3
CONDA_SHLVL=1
CURL_CA_BUNDLE=
HOMEPATH=Usersbltse
PATH=E:devenvPythonminiconda3;E:devenvPythonminiconda3Libraryming
w-w64bin;E:devenvPythonminiconda3Libraryusrbin;E:devenvPyth
onminiconda3Librarybin;E:devenvPythonminiconda3scripts;E:dev
envPythonminiconda3bin;E:devenvPythonminiconda3;E:devenvPyth
onminiconda3Librarymingw-w64bin;E:devenvPythonminiconda3Libra
ryusrbin;E:devenvPythonminiconda3Librarybin;E:devenvPython
miniconda3scripts;E:devenvPythonminiconda3bin;E:devenvPython
miniconda3condabin;C:Windowssystem32;C:Windows;C:WindowsSystem32
Wbem;C:WindowsSystem32WindowsPowerShellv1.0;C:WindowsSystem32O
penSSH;E:devenvGitbin;E:devenvPythonminiconda3;E:devenvPyth
onminiconda3scripts;E:devenvPythonminiconda3Librarybin;E:dev
envPythonminiconda3Librarymingw-w64bin;E:devenvPythonminicond
a3Libraryusrbin;C:UsersbltseAppDataLocalMicrosoftWindowsApps;
C:UsersbltseAppDataLocalProgramsMicrosoft VS Codebin;D:Program
FilesBandizip;E:devenvPythonGraphvizbin
PSMODULEPATH=C:UsersbltsedocumentsWindowsPowerShellModules;C:Program FilesWi
ndowsPowerShellModules;C:Windowssystem32WindowsPowerShellv1.0Mod
ules
REQUESTS_CA_BUNDLE=
SSL_CERT_FILE=
active environment : base
active env location : E:devenvPythonminiconda3
shell level : 1
user config file : C:Usersbltse.condarc
populated config files :
conda version : 4.10.3
conda-build version : not installed
python version : 3.9.5.final.0
virtual packages : __cuda=9.2=0
__win=0=0
__archspec=1=x86_64
base environment : E:devenvPythonminiconda3 (writable)
conda av data dir : E:devenvPythonminiconda3etcconda
conda av metadata url : None
channel URLs : https://repo.anaconda.com/pkgs/main/win-64
https://repo.anaconda.com/pkgs/main/noarch
https://repo.anaconda.com/pkgs/r/win-64
https://repo.anaconda.com/pkgs/r/noarch
https://repo.anaconda.com/pkgs/msys2/win-64
https://repo.anaconda.com/pkgs/msys2/noarch
package cache : E:devenvPythonminiconda3pkgs
C:Usersbltse.condapkgs
C:UsersbltseAppDataLocalcondacondapkgs
envs directories : E:devenvPythonminiconda3envs
C:Usersbltse.condaenvs
C:UsersbltseAppDataLocalcondacondaenvs
platform : win-64
user-agent : conda/4.10.3 requests/2.25.1 CPython/3.9.5 Windows/10 Windows/10.0.22000
administrator : False
netrc file : None
offline mode : False
An unexpected error has occurred. Conda has prepared the above report.
If submitted, this report will be used by core maintainers to improve
future releases of conda.
Would you like conda to send this report to the core maintainers?
[y/N]: n
No report sent. To permanently opt-out, use
$ conda config --set report_errors false
(base) ➜ Desktop conda config --add channels defaults
Warning: 'defaults' already in 'channels' list, moving to the top
After closing VPN
(base) ➜ Desktop conda create -n ML python=3.8
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: E:devenvPythonminiconda3envsML
added / updated specs:
- python=3.8
The following packages will be downloaded:
package | build
---------------------------|-----------------
ca-certificates-2021.9.30 | haa95532_1 116 KB
certifi-2021.10.8 | py38haa95532_0 152 KB
openssl-1.1.1l | h2bbff1b_0 4.8 MB
pip-21.0.1 | py38haa95532_0 1.8 MB
python-3.8.12 | h6244533_0 16.0 MB
setuptools-58.0.4 | py38haa95532_0 779 KB
vc-14.2 | h21ff451_1 8 KB
wheel-0.37.0 | pyhd3eb1b0_1 33 KB
wincertstore-0.2 | py38haa95532_2 15 KB
------------------------------------------------------------
Total: 23.8 MB
The following NEW packages will be INSTALLED:
ca-certificates pkgs/main/win-64::ca-certificates-2021.9.30-haa95532_1
certifi pkgs/main/win-64::certifi-2021.10.8-py38haa95532_0
openssl pkgs/main/win-64::openssl-1.1.1l-h2bbff1b_0
pip pkgs/main/win-64::pip-21.0.1-py38haa95532_0
python pkgs/main/win-64::python-3.8.12-h6244533_0
setuptools pkgs/main/win-64::setuptools-58.0.4-py38haa95532_0
sqlite pkgs/main/win-64::sqlite-3.36.0-h2bbff1b_0
vc pkgs/main/win-64::vc-14.2-h21ff451_1
vs2015_runtime pkgs/main/win-64::vs2015_runtime-14.27.29016-h5e58377_2
wheel pkgs/main/noarch::wheel-0.37.0-pyhd3eb1b0_1
wincertstore pkgs/main/win-64::wincertstore-0.2-py38haa95532_2
Proceed ([y]/n)? y
参考文章：http://nicethemes.cn/news/txtlist_i166627v.html
