java - 无法在 Selenium 中打开浏览器

Question

我在 selenium 中运行简单的代码，它抛出以下异常:-

@Test
public void test(){

System.setProperty("webdriver.chrome.driver", "geckodriver.exe");   
WebDriver driver=new FirefoxDriver();
driver.get("https://google.com");
driver.manage().window().maximize();
}

执行脚本时显示以下错误:

以前它可以工作，我的 firefox 版本是 55，我使用的是最新的 gecko 驱动程序版本。请帮忙!!

Exception is:- java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkState(ZLjava/lang/String;Ljava/lang/Object;)V at org.openqa.selenium.remote.service.DriverService.checkExecutable(DriverService.java:136) at org.openqa.selenium.firefox.GeckoDriverService.access$000(GeckoDriverService.java:41) at org.openqa.selenium.firefox.GeckoDriverService$Builder.usingFirefoxBinary(GeckoDriverService.java:108) at org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:204) at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:103) at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:99) at newTab.Tab.test(Tab.java:16) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:104) at org.testng.internal.Invoker.invokeMethod(Invoker.java:645) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177) at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129) at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112) at org.testng.TestRunner.privateRun(TestRunner.java:756) at org.testng.TestRunner.run(TestRunner.java:610) at org.testng.SuiteRunner.runTest(SuiteRunner.java:387) at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:382) at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340) at org.testng.SuiteRunner.run(SuiteRunner.java:289) at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52) at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86) at org.testng.TestNG.runSuitesSequentially(TestNG.java:1293) at org.testng.TestNG.runSuitesLocally(TestNG.java:1218) at org.testng.TestNG.runSuites(TestNG.java:1133) at org.testng.TestNG.run(TestNG.java:1104) at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132) at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:236) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:81)

Answer 1

您在“System.setProperty("webdriver.chrome.driver", "geckodriver.exe");”附近使用了错误的语法。将“chrome.driver”替换为“gecko.driver”

@Test public void test(){
System.setProperty("webdriver.chrome.driver", "geckodriver.exe");       
WebDriver driver=new FirefoxDriver();
driver.get("https://google.com");
driver.manage().window().maximize();
}

替换为

@Test public void test(){
System.setProperty("webdriver.gecko.driver", "geckodriver.exe");
WebDriver driver=new FirefoxDriver();
driver.get("https://google.com");
driver.manage().window().maximize();
}