IE11不支持Selenium 2.0 的解决办法

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问题概述(Question)

IE11不支持Selenium 2.0,在什么情况下不支持呢?比如:获取通过WebDriver获取页面上的元素时,你经常会捕获到这样的异常:

OpenQA.Selenium.NoSuchWindowException: Unable to find element on closed window
at OpenQA.Selenium.Remote.RemoteWebDriver.UnpackAndThrowOnError(Response errorResponse) in c:\Projects\webdriver\dotnet\src\webdriver\Remote\RemoteWebDriver.cs:line 1139
at OpenQA.Selenium.Remote.RemoteWebDriver.Execute(String driverCommandToExecute, Dictionary`2 parameters) in c:\Projects\webdriver\dotnet\src\webdriver\Remote\RemoteWebDriver.cs:line 923
at OpenQA.Selenium.Remote.RemoteWebDriver.FindElement(String mechanism, String value) in c:\Projects\webdriver\dotnet\src\webdriver\Remote\RemoteWebDriver.cs:line 954
at SharePoint_Automation.mainForm.waitUntilPageLoaded(IWebDriver iw, String eleID) in C:\Users\Administrator\documents\visual studio 2015\Projects\SharePoint Automation\SharePoint Automation\Form1.cs:line 116

上面这段异常的重点在于:

OpenQA.Selenium.NoSuchWindowException: Unable to find element on closed window

解决方案(Solution)
解决方案如下(蓝色字体为针对64bit计算机的最终解决手段):

For IE 11 only, you will need to set a registry entry on the target computer so that the driver can maintain a connection to the instance of Internet Explorer it creates.

For 32-bit Windows installations, the key you must examine in the registry editor is HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BFCACHE. (32bit Windows看这里。)

For 64-bit Windows installations, the key is HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BFCACHE. Please note that the FEATURE_BFCACHE subkey may or may not be present, and should be created if it is not present. Important: Inside this key, create a DWORD value named iexplore.exe with the value of 0.(64bit Windows看这里。)

修改你的注册表(Run->regedit->Enter),路径如下:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BFCACHE

如果FeatureControl下没有FEATURE_BFCACHE,就以FEATURE_BFCACHE为名new一个key!并在其下创建一个DWORD,取名为:iexplore.exe,value为0。

修改完你的注册表后,重启你的计算机。#之后以管理员权限运行Visual Studio#(unnecessary),打开你的项目,运行,你会发现,问题解决了。

Congratulations!这几个小时没有白费,终于让我找到了解决方案!网上千奇百怪的说法很多,但是没有一个好使的!

感谢以下两篇文章:

Selenium - NoSuchWindowException in IE 11

InternetExplorerDriver

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