爬虫工作 4~5 个小时，就报错了，不明白什么原因导致的，帮忙看一下

报错很长，但看上去大概是这个原因：socket.gaierror: [Errno -3] Temporary failure in name resolution

阿里云上运行的

Traceback (most recent call last): File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 137, in _new_conn (self.host, self.port), self.timeout, **extra_kw) File "/usr/lib/python3/dist-packages/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] Temporary failure in name resolution During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 560, in urlopen body=body, headers=headers) File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 354, in _make_request conn.request(method, url, **httplib_request_kw) File "/usr/lib/python3.5/http/client.py", line 1106, in request self._send_request(method, url, body, headers) File "/usr/lib/python3.5/http/client.py", line 1151, in _send_request self.endheaders(body) File "/usr/lib/python3.5/http/client.py", line 1102, in endheaders self._send_output(message_body) File "/usr/lib/python3.5/http/client.py", line 934, in _send_output self.send(msg) File "/usr/lib/python3.5/http/client.py", line 877, in send self.connect() File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 162, in connect cOnn= self._new_conn() File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 146, in _new_conn self, "Failed to establish a new connection: %s" % e) requests.packages.urllib3.exceptions.NewConnectionError: <requests.packages.urllib3.connection.HTTPConnection object at 0x7feaccda2668>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/requests/adapters.py", line 376, in send timeout=timeout File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 610, in urlopen _stacktrace=sys.exc_info()[2]) File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 273, in increment raise MaxRetryError(_pool, url, error or ResponseError(cause)) requests.packages.urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='http://www.xiangshu.com/', port=80): Max retries exceeded with url: http://www.xiangshu.com/3603751.html (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7feaccda2668>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',)) During handling of the above exception, another excepton occurred: Traceback (most recent call last): File "getimg.py", line 102, in <module> GetImg().getdata() File "getimg.py", line 76, in getdata base_url + j['href'], headers=self.headers) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 480, in get return self.request('GET', url, **kwargs) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 468, in request resp = self.send(prep, **send_kwargs) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 576, in send r = adapter.send(request, **kwargs) File "/usr/lib/python3/dist-packages/requests/adapters.py", line 437, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPConnectionPool(host='http://www.xiangshu.com/', port=80): Max retries exceeded with url: http://www.xiangshu.com/3603751.html (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7feaccda2668>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',))