在训练神经网络时有时需要开启visdom，否则遇到如下提示：requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost
/example_configs/mnist.gin 报错： requests.exceptions.ConnectionError: HTTPConnectionPool(host='172.17.228.3...是否可以使用： 【用tfds.load执行一系列的批量示例、转换操作，然后再调用】 >>> ds_train = tfds.load(name="mnist", split="train") 报错： requests.exceptions.ConnectionError...: HTTPConnectionPool(host='172.17.228.3', port=8081): Max retries exceeded with url: /IXCa9bee7c9d834e0e4d14e3b433c66e97e...tfds.image.MNIST() # or by string name mnist = tfds.builder('mnist') mnist.download_and_prepare() 仍然报同一个错误： requests.exceptions.ConnectionError...: HTTPConnectionPool(host='172.17.228.3', port=8081): Max retries exceeded with url: /IXCa9bee7c9d834e0e4d14e3b433c66e97e
) continue 运行结果如下： 使用代理的IP: {'http': '118.163.13.200:8080', 'https': '118.163.13.200:8080'} HTTPConnectionPool..."51.158.186.242" } 当前IP有效 使用代理的IP: {'http': '222.223.182.66:8000', 'https': '222.223.182.66:8000'} HTTPConnectionPool...当前IP无效 使用代理的IP: {'http': '139.255.123.194:4550', 'https': '139.255.123.194:4550'} HTTPConnectionPool(..."51.158.186.242" } 当前IP有效 使用代理的IP: {'http': '222.223.182.66:8000', 'https': '222.223.182.66:8000'} HTTPConnectionPool
前言 “由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败”,这是经常遇到的问题 requests.exceptions.ConnectionError: HTTPSConnectionPool...requests.session()url = "https://www.github.com/" r = s.request("GET", url=url) print(r.text) 连不上服务器会出现异常：requests.exceptions.ConnectionError...requests.exceptions.ConnectionError: HTTPSConnectionPool(host='www.github.com', port=443): Max retries
site-packages/requests/adapters.py", line 516, in send raise ConnectionError (e, request=request ) requests.exceptions.ConnectionError...: HTTPConnectionPool (host='urlis 233.com', port=80): Max retries exceeded with url: / (Caused by...connection: [Errno 8] nodename nor servname provided, or not known')) 这个错误信息很长，它引发了许多其他的异常，最终的异常类型是 requests.exceptions.ConnectionError...将代码改成下面这样 import requests url = "http://urlis 233.com" try: response = requests.get (url ) except requests.exceptions.ConnectionError...logging.getLogger (__name__) url = "http://urlis 233.com" try: response = requests.get (url ) except requests.exceptions.ConnectionError
2018-12-14 14:38:20 HTTPConnectionPool(host='www.google.com.hk', port=80): Max retries exceeded with ...2018-12-14 15:20:47 HTTPConnectionPool(host='www.heibanke.com', port=80): Read timed out. ...%m-%d %H:%M:%S')) max_retries 为最大重试次数，重试3次，加上最初的一次请求，一共是4次，所以上述代码运行耗时是20秒而不是15秒 2018-12-14 15:34:03 HTTPConnectionPool
Caused by SSLError(SSLError("bad handshake: SysCallError(-1, 'Unexpected EOF')",),)) 在python3.7中，异常为 requests.exceptions.ConnectionError...while True: # 循环 try: r = eval(expression) except (requests.exceptions.SSLError, requests.exceptions.ConnectionError
= null) { HttpConnectionPool.INSTANCE.recycle(connection); connection = null; } }...new Address(uri) : new Address(uri, proxy, requiresTunnel); return HttpConnectionPool.INSTANCE.get...Address address = new Address(uri, selectedProxy, requiresTunnel); return HttpConnectionPool.INSTANCE.get...selector.connectFailed(uri, selectedProxy.address(), e); } } } //创建一个直连接 return HttpConnectionPool.INSTANCE.get...throw e; } } } this.socket = socketCandidate; } /********************HttpConnectionPool.java
line 504, in send raise ConnectTimeout(e, request=request) requests.exceptions.ConnectTimeout: HTTPConnectionPool...PoolManager 顾名思义就是管理 Pool 的，主要是 HTTPConnectionPool 和 HTTPSConnectionPool 两大类。...先看 HTTPConnectionPool 源码（只显示关键的 _get_conn、_new_conn 和 _make_request 函数）： # urllib3/connectionpool.py...class HTTPConnectionPool(ConnectionPool, RequestMethods): ConnectionCls = HTTPConnection def
try: response = requests.get('http://httpbin.org/get', proxies=proxies) print(response.text) except requests.exceptions.ConnectionError...try: response = requests.get('http://httpbin.org/get', proxies=proxies) print(response.text) except requests.exceptions.ConnectionError...try: response = requests.get('http://httpbin.org/get', proxies=proxies) print(response.text) except requests.exceptions.ConnectionError
接口无法访问 问题描述：发送get请求，requests.get(url)，报错如下： requests.exceptions.ConnectionError: HTTPConnectionPool
Traceback (most recent call last): File "", line 1, in requests.exceptions.Timeout: HTTPConnectionPool
: 获取页面 proxies config.proxies try: res requests.get(url,proxies = proxies) # print(res.text) except requests.exceptions.ConnectionError...: 获取页面 proxies config.proxies try: res requests.get(url,proxies = proxies) # print(res.text) except requests.exceptions.ConnectionError...redis—cache.srem('Task:begin_, content_id) redis—cache.sadd(*Task:finish *, content_id) # print(r.text) except requests.exceptions.ConnectionError
config.proxies try: res = requests.get(url,proxies=proxies) # print(res.text) except requests.exceptions.ConnectionError...config.proxies try: res = requests.get(url,proxies=proxies) # print(res.text) except requests.exceptions.ConnectionError...redis_cache.sadd('Task:finish', content_id) # print(r.text) except requests.exceptions.ConnectionError
requests.exceptions.ConnectionError: HTTPSConnectionPool(host=’baike.baidu.com’, port=443): Max retries...解决办法如下： 第一种方法 : try: page1 = requests.get(ap) except requests.exceptions.ConnectionError:
proxies={ 'http': 'socks5://127.0.0.1:1080', 'https': 'socks5://127.0.0.1:1080' } 会报错， 获取无法连接 requests.exceptions.ConnectionError
用于HTTP客户端的Python库，许多Python的原生系统已经开始使用urllib3image1urllib源码分析分析__init__.py就可以得出对外提供的功能__all__ = ( "HTTPConnectionPool...Timeout(connect=1.0, read=2.0) "add_stderr_logger", # 修改默认日志的级别 "connection_from_url", # 返回HTTPConnectionPool...(connect timeout=0.0001)')urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='xxx.xxx.com',...None else: raise OSError("getaddrinfo returns an empty list")由上urllib3主干类层次结构可知，请求的读取的源码封装在HTTPConnectionPool
使用python requests模块调用vmallarg.vmall.com接口API时报如下错误： requests.exceptions.ConnectionError: HTTPSConnectionPool
as e: log.warning('[requests.exceptions.ConnectionError] {}'.format(e)) # 读取数据...except error: # python2 socket.send error pass except requests.exceptions.ConnectionError...as e: log.warning('[requests.exceptions.ConnectionError] {}'.format(e))...as e: # python2 socket.send error log.error('[requests.exceptions.ConnectionError...as e: log.warning('[requests.exceptions.ConnectionError] {}'.format(e)) except Exception
使用 requests抓取网页时会碰到如下异常： requests.exceptions.ConnectionError: HTTPSConnectionPool Max retries exceeded
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