我使用命令：mkvirtualenv -p python3 test1,創建虛擬環境，然后報錯如下()，虛擬機是用nat模式的:

Exception:

Traceback (most recent call last):

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connection.py", line 137, in _new_conn

(self.host, self.port), self.timeout, **extra_kw)

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/util/connection.py", line 67, in create_connection

for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):

File "/usr/lib/python3.5/socket.py", line 732, in getaddrinfo

for res in _socket.getaddrinfo(host, port, family, type, proto, flags):

socket.gaierror: [Errno -3] 域名解析暫時失敗

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 560, in urlopen

body=body, headers=headers)

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 346, in _make_request

self._validate_conn(conn)

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 787, in _validate_conn

conn.connect()

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connection.py", line 217, in connect

conn = self._new_conn()

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connection.py", line 146, in _new_conn

self, "Failed to establish a new connection: %s" % e)

requests.packages.urllib3.exceptions.NewConnectionError: : Failed to establish a new connection: [Errno -3] 域名解析暫時失敗

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/basecommand.py", line 209, in main

status = self.run(options, args)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/commands/install.py", line 328, in run

wb.build(autobuilding=True)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/wheel.py", line 748, in build

self.requirement_set.prepare_files(self.finder)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/req/req_set.py", line 360, in prepare_files

ignore_dependencies=self.ignore_dependencies))

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/req/req_set.py", line 512, in _prepare_file

finder, self.upgrade, require_hashes)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/req/req_install.py", line 273, in populate_link

self.link = finder.find_requirement(self, upgrade)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 442, in find_requirement

all_candidates = self.find_all_candidates(req.name)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 400, in find_all_candidates

for page in self._get_pages(url_locations, project_name):

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 545, in _get_pages

page = self._get_page(location)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 648, in _get_page

return HTMLPage.get_page(link, session=self.session)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 757, in get_page

"Cache-Control": "max-age=600",

File "/home/python/.virtualenvs/test11/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/sessions.py", line 480, in get

return self.request('GET', url, **kwargs)

File "/usr/share/python-wheels/pip-8.1.1-py2.py3-none-any.whl/pip/download.py", line 378, in request

return super(PipSession, self).request(method, url, *args, **kwargs)

File "/home/python/.virtualenvs/test11/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/sessions.py", line 468, in request

resp = self.send(prep, **send_kwargs)

File "/home/python/.virtualenvs/test11/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/sessions.py", line 576, in send

r = adapter.send(request, **kwargs)

File "/home/python/.virtualenvs/test11/share/python-wheels/CacheControl-0.11.5-py2.py3-none-any.whl/cachecontrol/adapter.py", line 46, in send

resp = super(CacheControlAdapter, self).send(request, **kw)

File "/home/python/.virtualenvs/test11/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/adapters.py", line 376, in send

timeout=timeout

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 610, in urlopen

_stacktrace=sys.exc_info()[2])

File "/home/python/.virtualenvs/test11/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/util/retry.py", line 228, in increment

total -= 1

TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'

----------------------------------------

...Installing setuptools, pkg_resources, pip, wheel...done.

Traceback (most recent call last):

File "/usr/bin/virtualenv", line 9, in

load_entry_point('virtualenv==15.0.1', 'console_scripts', 'virtualenv')()

File "/usr/lib/python3/dist-packages/virtualenv.py", line 719, in main

symlink=options.symlink)

File "/usr/lib/python3/dist-packages/virtualenv.py", line 988, in create_environment

download=download,

File "/usr/lib/python3/dist-packages/virtualenv.py", line 918, in install_wheel

call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=SCRIPT)

File "/usr/lib/python3/dist-packages/virtualenv.py", line 812, in call_subprocess

% (cmd_desc, proc.returncode))

OSError: Command /home/python/.virtualenvs/test11/bin/python3 - setuptools pkg_resources pip wheel failed with error code 2

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