问题描述:
在使用anaconda3来为深度学习创建环境时，创建不了环境，并报如下错误：
Collecting package metadata (current_repodata.json): failed
# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<
Traceback (most recent call last):
File "E:\Anaconda3\lib\site-packages\conda\exceptions.py", line 1079, in __call__
return func(*args, **kwargs)
File "E:\Anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main
exit_code = do_call(args, p)
File "E:\Anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 83, in do_call
return getattr(module, func_name)(args, parser)
File "E:\Anaconda3\lib\site-packages\conda\cli\main_create.py", line 41, in execute
install(args, parser, 'create')
File "E:\Anaconda3\lib\site-packages\conda\cli\install.py", line 261, in install
unlink_link_transaction = solver.solve_for_transaction(
File "E:\Anaconda3\lib\site-packages\conda\core\solve.py", line 114, in solve_for_transaction
unlink_precs, link_precs = self.solve_for_diff(update_modifier, deps_modifier,
File "E:\Anaconda3\lib\site-packages\conda\core\solve.py", line 157, in solve_for_diff
final_precs = self.solve_final_state(update_modifier, deps_modifier, prune, ignore_pinned,
File "E:\Anaconda3\lib\site-packages\conda\core\solve.py", line 262, in solve_final_state
ssc = self._collect_all_metadata(ssc)
File "E:\Anaconda3\lib\site-packages\conda\common\io.py", line 88, in decorated
return f(*args, **kwds)
File "E:\Anaconda3\lib\site-packages\conda\core\solve.py", line 425, in _collect_all_metadata
index, r = self._prepare(prepared_specs)
File "E:\Anaconda3\lib\site-packages\conda\core\solve.py", line 1020, in _prepare
reduced_index = get_reduced_index(self.prefix, self.channels,
File "E:\Anaconda3\lib\site-packages\conda\core\index.py", line 288, in get_reduced_index
new_records = SubdirData.query_all(spec, channels=channels, subdirs=subdirs,
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 140, in query_all
result = tuple(concat(executor.map(subdir_query, channel_urls)))
File "E:\Anaconda3\lib\concurrent\futures\_base.py", line 611, in result_iterator
yield fs.pop().result()
File "E:\Anaconda3\lib\concurrent\futures\_base.py", line 439, in result
return self.__get_result()
File "E:\Anaconda3\lib\concurrent\futures\_base.py", line 388, in __get_result
raise self._exception
File "E:\Anaconda3\lib\concurrent\futures\thread.py", line 57, in run
result = self.fn(*self.args, **self.kwargs)
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 132, in <lambda>
subdir_query = lambda url: tuple(SubdirData(Channel(url), repodata_fn=repodata_fn).query(
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 145, in query
self.load()
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 209, in load
_internal_state = self._load()
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 371, in _load
raw_repodata_str = fetch_repodata_remote_request(
File "E:\Anaconda3\lib\site-packages\conda\core\subdir_data.py", line 694, in fetch_repodata_remote_request
resp = session.get(join_url(url, filename), headers=headers, proxies=session.proxies,
File "E:\Anaconda3\lib\site-packages\requests\sessions.py", line 555, in get
return self.request('GET', url, **kwargs)
File "E:\Anaconda3\lib\site-packages\requests\sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "E:\Anaconda3\lib\site-packages\requests\sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "E:\Anaconda3\lib\site-packages\requests\adapters.py", line 439, in send
resp = conn.urlopen(
File "E:\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 696, in urlopen
self._prepare_proxy(conn)
File "E:\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 964, in _prepare_proxy
conn.connect()
File "E:\Anaconda3\lib\site-packages\urllib3\connection.py", line 359, in connect
conn = self._connect_tls_proxy(hostname, conn)
File "E:\Anaconda3\lib\site-packages\urllib3\connection.py", line 500, in _connect_tls_proxy
return ssl_wrap_socket(
File "E:\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 "E:\Anaconda3\lib\site-packages\urllib3\util\ssl_.py", line 474, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File "E:\Anaconda3\lib\ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "E:\Anaconda3\lib\ssl.py", line 997, in _create
raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname
`$ E:\Anaconda3\Scripts\conda-script.py create -n test python=3.8`
environment variables:
CIO_TEST=<not set>
CONDA_DEFAULT_ENV=base
CONDA_EXE=E:\Anaconda3\condabin\..\Scripts\conda.exe
CONDA_EXES="E:\Anaconda3\condabin\..\Scripts\conda.exe"
CONDA_PREFIX=E:\Anaconda3
CONDA_PROMPT_MODIFIER=(base)
CONDA_PYTHON_EXE=E:\Anaconda3\python.exe
CONDA_ROOT=E:\Anaconda3
CONDA_SHLVL=1
CUDA_PATH=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8
CURL_CA_BUNDLE=<not set>
HOMEPATH=\Users\17603
NODE_PATH=E:\Node\node_global\node_modules
NVTOOLSEXT_PATH=C:\Program Files\NVIDIA Corporation\NvToolsExt\
PATH=E:\Anaconda3;E:\Anaconda3\Library\mingw-w64\bin;E:\Anaconda3\Library\u
sr\bin;E:\Anaconda3\Library\bin;E:\Anaconda3\Scripts;E:\Anaconda3\bin;
E:\Anaconda3;E:\Anaconda3\Library\mingw-w64\bin;E:\Anaconda3\Library\u
sr\bin;E:\Anaconda3\Library\bin;E:\Anaconda3\Scripts;E:\Anaconda3\bin;
E:\Anaconda3\condabin;C:\Program Files\NVIDIA GPU Computing
Toolkit\CUDA\v11.8\bin;C:\Program Files\NVIDIA GPU Computing Toolkit\C
UDA\v11.8\libnvvp;E:\Anaconda3;E:\Anaconda3\Library\mingw-w64\bin;E:\A
naconda3\Library\usr\bin;E:\Anaconda3\Library\bin;E:\Anaconda3\Scripts
;E:\Python\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\
Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Windows\System32\Op
enSSH;C:\Program Files (x86)\NVIDIA
Corporation\PhysX\Common;C:\Program Files\NVIDIA Corporation\NVIDIA
NvDLISR;E:\jdk-13.0.2\bin;E:\maven\apache-maven-3.6.1\bin;C:\Program
Files\MySQL\MySQL Server
8.0\bin;E:\Node\node_global;E:\Node;E:\Git\cmd;C:\Program Files
(x86)\Windows Kits\8.1\Windows Performance
Toolkit;E:\Anaconda3\envs\pytorch\Lib\site-
packages\PyQt5\Qt5\plugins;E:\anaconda3\envs\mytrip\lib\site-
packages;C:\Program Files\NVIDIA Corporation\Nsight Compute 2022.3.0;C
:\Users\17603\AppData\Local\Microsoft\WindowsApps;E:\IntelliJ IDEA 202
1.1.1\bin;.;E:\Node\node_global;E:\Bandzip;E:\Node\node_global\node_mo
dules;C:\Users\17603\AppData\Roaming\npm;E:\VScode\Microsoft VS
Code\bin;E:\PyCharm\PyCharm Community Edition
2019.3.5\bin;.;E:\PyCharm\PyCharm 2021.1.1\bin;.
PSMODULEPATH=C:\Program Files\WindowsPowerShell\Modules;C:\Windows\system32\Windows
PowerShell\v1.0\Modules
QT_QPA_PLATFORM_PLUGIN_PATH=E:\Anaconda3\envs\pytorch\Lib\site-packages\PyQt5\Qt5\plugins
REQUESTS_CA_BUNDLE=<not set>
SSL_CERT_FILE=<not set>
active environment : base
active env location : E:\Anaconda3
shell level : 1
user config file : C:\Users\17603\.condarc
populated config files : C:\Users\17603\.condarc
conda version : 4.10.1
conda-build version : 3.21.4
python version : 3.8.8.final.0
virtual packages : __cuda=12.0=0
__win=0=0
__archspec=1=x86_64
base environment : E:\Anaconda3 (writable)
conda av data dir : E:\Anaconda3\etc\conda
conda av metadata url : https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
channel URLs : https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/win-64
https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/noarch
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/win-64
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/noarch
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/win-64
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r/win-64
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r/noarch
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2/win-64
https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2/noarch
package cache : E:\Anaconda3\pkgs
C:\Users\17603\.conda\pkgs
C:\Users\17603\AppData\Local\conda\conda\pkgs
envs directories : E:\Anaconda3\envs
C:\Users\17603\.conda\envs
C:\Users\17603\AppData\Local\conda\conda\envs
platform : win-64
user-agent : conda/4.10.1 requests/2.25.1 CPython/3.8.8 Windows/10 Windows/10.0.22621
administrator : False
netrc file : C:\Users\17603/.netrc
offline mode : False
An unexpected error has occurred. Conda has prepared the above report.
Upload did not complete.原因分析：
该原因是网络连接异常所导致的，解决问题的关键是：
1.网络连接是否异常
2.是否使用了翻墙类软件，启动了系统代理
解决方案：
1.检查是否使用了翻墙软件，打开了代理设置。如果是，关闭代理后即可创建环境
2.在此启动anaconda prompt创建环境
如上所示，环境创建成功！
至此，问题解决。