How to set java.net.preferIPv4Stack=true in the java code?

本文将详细解释如何在Java代码中启用IPv4堆栈,以解决IPv6相关问题,并提供示例代码帮助开发者实现这一目标。

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I need to disable IPv6. For that the supposed code is java.net.preferIPv4Stack=true.

But i dont understand how do i do it from the code itself.

Many forums indicated doing it from the command prompt, but i need to do it from the code.

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50% accept rate
 
Disabling IPv6 to work around some bug you have in your code is just storing up trouble for the future. Fix the real issue now and save yourself a headache later. –  Flexo Mar 28 at 16:39
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You can use System.setProperty("java.net.preferIPv4Stack" , "true");

This is equivalent to passing it in the command line via -Djava.net.preferIPv4Stack=true

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The broadcast address acquired is still 255.255.255.255 –  Abhishek Nandgaonkar Mar 27 at 2:17
1 
That seems pretty normal for IPv4. It's the standard 0.0.0.0 network broadcast address. –  Chris Dennett Mar 27 at 2:22
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Another approach, if you're desperate and don't have access to (a) the code or (b) the command line, then you can use environment variables:

http://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-Desktop/html/plugin.html.

Specifically for java web start set the environment variable:

JAVAWS_VM_ARGS

and for applets:

_JPI_VM_OPTIONS

e.g.

_JPI_VM_OPTIONS=-Djava.net.preferIPv4Stack=true

Additionally, under Windows global options (for general Java applications) can be set in the Java control plan page under the "Java" tab.

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:\Users\20685\AppData\Local\Programs\Python\Python310\python.exe D:\pythonProject_request\run.py ============================= test session starts ============================= platform win32 -- Python 3.10.11, pytest-8.3.5, pluggy-1.5.0 -- C:\Users\20685\AppData\Local\Programs\Python\Python310\python.exe cachedir: .pytest_cache metadata: {'Python': '3.10.11', 'Platform': 'Windows-10-10.0.26100-SP0', 'Packages': {'pytest': '8.3.5', 'pluggy': '1.5.0'}, 'Plugins': {'allure-pytest': '2.14.0', 'base-url': '2.1.0', 'html': '4.1.1', 'metadata': '3.1.1', 'order': '1.3.0', 'ordering': '0.6', 'rerunfailures': '15.1', 'xdist': '3.8.0'}, 'JAVA_HOME': 'C:\\Program Files\\Java\\jdk1.8.0_131', 'Base URL': ''} rootdir: D:\pythonProject_request configfile: pytest.ini plugins: allure-pytest-2.14.0, base-url-2.1.0, html-4.1.1, metadata-3.1.1, order-1.3.0, ordering-0.6, rerunfailures-15.1, xdist-3.8.0 collecting ... collected 1 item testcaes/test_all_case.py::TestAllCase::test_login[caseinfo0] FAILED ================================== FAILURES =================================== ______________________ TestAllCase.test_login[caseinfo0] ______________________ self = <urllib3.connectionpool.HTTPSConnectionPool object at 0x0000018B5D7EE170> conn = <urllib3.connection.HTTPSConnection object at 0x0000018B5D7EE8F0> method = 'POST' url = '/adminapi/login?Content_Type=application%2Fx-www-from-urlencoded' body = 'account=admin&pwd=123456&imgcode=' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Length': '33', 'Content-Type': 'application/x-www-form-urlencoded'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) timeout = Timeout(connect=None, read=None, total=None), chunked = False response_conn = <urllib3.connection.HTTPSConnection object at 0x0000018B5D7EE8F0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: > self._validate_conn(conn) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py:468: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py:1097: in _validate_conn conn.connect() C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py:642: in connect sock_and_verified = _ssl_wrap_socket_and_match_hostname( C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py:783: in _ssl_wrap_socket_and_match_hostname ssl_sock = ssl_wrap_socket( C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\ssl_.py:471: in ssl_wrap_socket ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls, server_hostname) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\ssl_.py:515: in _ssl_wrap_socket_impl return ssl_context.wrap_socket(sock, server_hostname=server_hostname) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\ssl.py:513: in wrap_socket return self.sslsocket_class._create( C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\ssl.py:1071: in _create self.do_handshake() _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <ssl.SSLSocket [closed] fd=-1, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0> block = False @_sslcopydoc def do_handshake(self, block=False): self._check_connected() timeout = self.gettimeout() try: if timeout == 0.0 and block: self.settimeout(None) > self._sslobj.do_handshake() E ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\ssl.py:1342: SSLCertVerificationError During handling of the above exception, another exception occurred: self = <urllib3.connectionpool.HTTPSConnectionPool object at 0x0000018B5D7EE170> method = 'POST' url = '/adminapi/login?Content_Type=application%2Fx-www-from-urlencoded' body = 'account=admin&pwd=123456&imgcode=' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Length': '33', 'Content-Type': 'application/x-www-form-urlencoded'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=None, read=None, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/adminapi/login', query='Content_Type=application%2Fx-www-from-urlencoded', fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py:791: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPSConnectionPool object at 0x0000018B5D7EE170> conn = <urllib3.connection.HTTPSConnection object at 0x0000018B5D7EE8F0> method = 'POST' url = '/adminapi/login?Content_Type=application%2Fx-www-from-urlencoded' body = 'account=admin&pwd=123456&imgcode=' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Length': '33', 'Content-Type': 'application/x-www-form-urlencoded'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) timeout = Timeout(connect=None, read=None, total=None), chunked = False response_conn = <urllib3.connection.HTTPSConnection object at 0x0000018B5D7EE8F0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) > raise new_e E urllib3.exceptions.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py:492: SSLError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x0000018B5D7BA680> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=None, read=None, total=None), verify = True cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py:845: in urlopen retries = retries.increment( _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=False, redirect=None, status=None) method = 'POST' url = '/adminapi/login?Content_Type=application%2Fx-www-from-urlencoded' response = None error = SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)')) _pool = <urllib3.connectionpool.HTTPSConnectionPool object at 0x0000018B5D7EE170> _stacktrace = <traceback object at 0x0000018B5D392700> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Retry: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='192.168.116.137', port=443): Max retries exceeded with url: /adminapi/login?Content_Type=application%2Fx-www-from-urlencoded (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\retry.py:515: MaxRetryError During handling of the above exception, another exception occurred: self = <testcaes.test_all_case.TestAllCase object at 0x0000018B5D7EE140> caseinfo = {'request': {'data': {'account': 'admin', 'imgcode': '', 'pwd': 123456}, 'method': 'post', 'params': {'Content_Type': 'application/x-www-from-urlencoded'}, 'url': 'https://192.168.116.137/adminapi/login'}, 'validate': None} @pytest.mark.parametrize("caseinfo",read_yaml(yaml_path)) def duyo(self,caseinfo): new_caseinfo = verify_yaml(caseinfo) #在读取yaml内容后调取用例模板方法验证用例是否足够 #发送请求 > RequestUtil().send_all_request(**new_caseinfo.request) testcaes\test_all_case.py:17: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ common\requests_util.py:27: in send_all_request res = RequestUtil.sess.request(**kwargs) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\sessions.py:589: in request resp = self.send(prep, **send_kwargs) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\sessions.py:703: in send r = adapter.send(request, **kwargs) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x0000018B5D7BA680> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=None, read=None, total=None), verify = True cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. > raise SSLError(e, request=request) E requests.exceptions.SSLError: HTTPSConnectionPool(host='192.168.116.137', port=443): Max retries exceeded with url: /adminapi/login?Content_Type=application%2Fx-www-from-urlencoded (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\adapters.py:698: SSLError ============================== warnings summary =============================== C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1277 C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1277: PytestAssertRewriteWarning: Module already imported so cannot be rewritten: allure_pytest self._mark_plugins_for_rewrite(hook) C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1500 C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1500: PytestConfigWarning: No files were found in testpaths; consider removing or adjusting your testpaths configuration. Searching recursively from the current directory instead. self.args, self.args_source = self._decide_args( C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1441 C:\Users\20685\AppData\Local\Programs\Python\Python310\lib\site-packages\_pytest\config\__init__.py:1441: PytestConfigWarning: Unknown config option: Python_classes self._warn_or_fail_if_strict(f"Unknown config option: {key}\n") -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html =========================== short test summary info =========================== FAILED testcaes/test_all_case.py::TestAllCase::test_login[caseinfo0] - reques... ======================== 1 failed, 3 warnings in 0.26s ======================== 进程已结束,退出代码为 0
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