我最近接手了一个项目，该项目在其自动化框架中使用BrowserStack进行了移动测试。我们正在使用的代理服务器出现故障，因此我不得不将系统代理服务器更改为可用的代理服务器，我不确定它们是否相关，但这是有道理的。
我以前已经更换了代理，没有任何问题，所以不确定为什么现在会发生这种情况。将C＃与硒结合使用，会在所有浏览器中出现错误。第一次使用该框架时，我对该框架的浏览器堆栈了解不多。
Result StackTrace:
at OpenQA.Selenium.Remote.RemoteWebDriver.UnpackAndThrowOnError(Response errorResponse)
at OpenQA.Selenium.Remote.RemoteWebDriver.Execute(String driverCommandToExecute, Dictionary`2 parameters)
at OpenQA.Selenium.Remote.RemoteWebDriver.StartSession(ICapabilities desiredCapabilities)
at OpenQA.Selenium.Remote.RemoteWebDriver..ctor(ICommandExecutor commandExecutor, ICapabilities desiredCapabilities)
at OpenQA.Selenium.Remote.RemoteWebDriver..ctor(Uri remoteAddress, ICapabilities desiredCapabilities)
at Framework.CoreUtilities.CustomRemoteWebDriver..ctor(Uri remoteAddress, ICapabilities desiredCapabilities) in Framework\DriverMethods\CustomRemoteWebDriver.cs:line 12
at Framework.CoreUtilities.BrowserStackDriverUtility.Init(String profile, String environment) in Framework\DriverMethods\BrowserStackDriverUtility.cs:line 43
at Tests.CoreUtilities.DriverMethods.EnvironmentHooks.BrowserStackHooks.SelectBrowserStackDriver() in Framework\DriverMethods\EnvironmentHooks\BrowserStackHooks.cs:line 29
at Tests.CoreUtilities.DriverMethods.EnvHooks.BeforeScenarioLocal() in Framework\EnvHooks.cs:line 43
at lambda_method(Closure , IContextManager )
at TechTalk.SpecFlow.Bindings.BindingInvoker.InvokeBinding(IBinding binding, IContextManager contextManager, Object[] arguments, ITestTracer testTracer, TimeSpan& duration)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.InvokeHook(IBindingInvoker invoker, IHookBinding hookBinding, HookType hookType)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.FireEvents(HookType hookType)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.FireScenarioEvents(HookType bindingEvent)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.OnScenarioStart(ScenarioInfo scenarioInfo)
at TechTalk.SpecFlow.TestRunner.OnScenarioStart(ScenarioInfo scenarioInfo)
at Tests.Features.Sprint3.S03_SNO3519_View_All_Bills_MOBILEFeature.ScenarioSetup(ScenarioInfo scenarioInfo) in Tests\Features\Sprint3\S03_SNO3519_View_all_bills_MOBILE.feature.cs:line 0
at Tests.Features.Sprint3.S03_SNO3519_View_All_Bills_MOBILEFeature.TC5_TC6_TC7_Verify_The_Functionality_Of_The_Dropdown_Filter_On_The_All_My_Bills_Page(String email, String password, String accountNumber, String accountType, String[] exampleTags) in Tests\Features\Sprint3\S03_SNO3519_View_all_bills_MOBILE.feature:line 10
--TearDown
at BoDi.ObjectContainer.TypeRegistration.Resolve(ObjectContainer container, RegistrationKey keyToResolve, ResolutionList resolutionPath)
at BoDi.ObjectContainer.ResolveObject(RegistrationKey keyToResolve, ResolutionList resolutionPath)
at BoDi.ObjectContainer.Resolve(Type typeToResolve, ResolutionList resolutionPath, String name)
at BoDi.ObjectContainer.<>c__DisplayClass55_0.<ResolveArguments>b__0(ParameterInfo p)
at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
at BoDi.ObjectContainer.ResolveArguments(IEnumerable`1 parameters, RegistrationKey keyToResolve, ResolutionList resolutionPath)
at BoDi.ObjectContainer.CreateObject(Type type, ResolutionList resolutionPath, RegistrationKey keyToResolve)
at BoDi.ObjectContainer.TypeRegistration.Resolve(ObjectContainer container, RegistrationKey keyToResolve, ResolutionList resolutionPath)
at BoDi.ObjectContainer.ResolveObject(RegistrationKey keyToResolve, ResolutionList resolutionPath)
at BoDi.ObjectContainer.Resolve(Type typeToResolve, ResolutionList resolutionPath, String name)
at BoDi.ObjectContainer.Resolve(Type typeToResolve, String name)
at TechTalk.SpecFlow.Infrastructure.TestObjectResolver.ResolveBindingInstance(Type bindingType, IObjectContainer container)
at TechTalk.SpecFlow.ScenarioContext.GetBindingInstance(Type bindingType)
at Tests.CoreUtilities.DriverMethods.EnvHooks.AfterEachFeature() in Framework\EnvHooks.cs:line 83
at lambda_method(Closure , IContextManager )
at TechTalk.SpecFlow.Bindings.BindingInvoker.InvokeBinding(IBinding binding, IContextManager contextManager, Object[] arguments, ITestTracer testTracer, TimeSpan& duration)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.InvokeHook(IBindingInvoker invoker, IHookBinding hookBinding, HookType hookType)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.FireEvents(HookType hookType)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.FireScenarioEvents(HookType bindingEvent)
at TechTalk.SpecFlow.Infrastructure.TestExecutionEngine.OnScenarioEnd()
at TechTalk.SpecFlow.TestRunner.OnScenarioEnd()
at Tests.Features.Sprint3.S03_SNO3519_View_All_Bills_MOBILEFeature.ScenarioTearDown() in Tests\Features\Sprint3\S03_SNO3519_View_all_bills_MOBILE.feature.cs:line 0
Result Message:
OpenQA.Selenium.WebDriverException : Unexpected error. <HEAD><TITLE>Authorization Required</TITLE></HEAD>
<BODY BGCOLOR="white" FGCOLOR="black"><H1>Authorization Required</H1><HR>
<FONT FACE="Helvetica,Arial"><B>
Description: Authorization is required for access to this proxy</B></FONT>
<HR>
<!-- default "Authorization Required" response (401) -->
</BODY>
TearDown : BoDi.ObjectContainerException : Interface cannot be resolved: OpenQA.Selenium.IWebDriver (resolution path: Framework.SeleniumContext)
答案 0 :(得分：1)
这似乎是特定于硒语言绑定如何生成有效负载以及浏览器堆栈如何在其末尾解析有效负载的问题。
根据您共享的错误消息，很有可能在解析请求有效负载时，浏览器堆栈无法找到您的用户名和访问密钥
您可以按照下面提到的步骤进行调试：
更改行驱动程序= new RemoteWebDriver（new Uri（“ https://hub-cloud.browserstack.com/wd/hub/”），options）;到驱动程序=新的RemoteWebDriver（ 新的Uri（“ http://localhost:4444/wd/hub/”），选项 ）;。您不需要在本地启动独立硒罐。
启动一个代理，该代理读取localhost：4444上的流量。 （如果需要，您可以将基于节点的实现用于相同的实现。这是一个这样的实现：https://gist.github.com/hanikhan/f817bd64b063129cb78dc7ed0b66fdb7）
观察由您正在使用的硒客户端绑定生成的请求有效负载（如前所述，v3.14）。例如，我的基于Java的硒客户端在仅需要通过浏览器的情况下才生成此功能。 }]}}
现在将您的硒绑定降级（降级到可以工作的版本），并观察其生成的有效载荷。
检查客户端绑定是否使用严格的检查，由于这些检查，一些必需的功能最终会被丢弃。
如果这是真的，那么您将需要执行以下操作：