我在早期版本的 Firefox 中使用了 2.44 - 它运行良好。

FirefoxDriver ffd = new FirefoxDriver();
ffd.get("www.google.com");

现在，即使是这个简单的调用也会抛出异常:

Exception in thread "main" org.openqa.selenium.WebDriverException: f.QueryInterface is not a function
Command duration or timeout: 190 milliseconds
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'
System info: host: 'Shivam-PC', ip: '192.168.0.107', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_31'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{applicationCacheEnabled=true, rotatable=false, handlesAlerts=true, databaseEnabled=true, version=38.0.1, platform=WINDOWS, nativeEvents=false, acceptSslCerts=true, webStorageEnabled=true, locationContextEnabled=true, browserName=firefox, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: 19f3d00e-ad14-4fc8-9d29-cee47ae44186
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:156)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:599)
    at org.openqa.selenium.remote.RemoteWebDriver.get(RemoteWebDriver.java:304)
    at sele.Sample.main(Sample.java:13)
Caused by: org.openqa.selenium.WebDriverException: f.QueryInterface is not a function
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'
System info: host: 'Shivam-PC', ip: '192.168.0.107', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_31'
Driver info: driver.version: unknown
    at <anonymous class>.FirefoxDriver.prototype.get(file:///C:/Users/Shivam/AppData/Local/Temp/anonymous4862788616202211612webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10132)
    at <anonymous class>.DelayedCommand.prototype.executeInternal_/h(file:///C:/Users/Shivam/AppData/Local/Temp/anonymous4862788616202211612webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12274)
    at <anonymous class>.DelayedCommand.prototype.executeInternal_(file:///C:/Users/Shivam/AppData/Local/Temp/anonymous4862788616202211612webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12279)
    at <anonymous class>.DelayedCommand.prototype.execute/<(file:///C:/Users/Shivam/AppData/Local/Temp/anonymous4862788616202211612webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12221)

最佳答案

这似乎是各个版本的常见问题(我在 FF v.36 中遇到过此类问题)。主要解决方法是不要将 FF 更新到最新版本(如果最坏的情况已经发生，则降级)。如果您的测试在特定的 FF 版本上运行良好 -> 至少坚持到新版本的 WebDriver 发布。

对我来说最可靠的版本是 FF v.33。

关于java - 独立 Selenium 2.45.0；脚本使 Firefox 38.0.1 崩溃，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/30427696/