Thu*_*r22 5 java firefox selenium selenium-webdriver geckodriver
我的硒代码无法运行。不断向我抛出以下错误:
Exception in thread "main" org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Build info: version: 'unknown', revision: 'unknown', time: 'unknown'
System info: host: 'SLAP129', ip: '192.168.4.218', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_74'
Driver info: driver.version: FirefoxDriver
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:658)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:250)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:236)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:137)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:191)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:108)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:104)
at PractiseSession1.OpenBrowser(PractiseSession1.java:35)
at PractiseSession1.main(PractiseSession1.java:16)
Caused by: java.lang.NullPointerException
at org.openqa.selenium.remote.service.DriverService.waitUntilAvailable(DriverService.java:192)
at org.openqa.selenium.firefox.XpiDriverService.start(XpiDriverService.java:94)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:78)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:637)
... 8 more
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Firefox 版本:53.0.3(32 位)硒版本:selenium-java-3.4.0 我使用的是 Eclipse Luna,我的机器是 Windows 7(64 位)。我已阅读所有帮助查询,但找不到解决方案。这是我的Java代码:
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
public class PractiseSession1
{
public static void main(String[] args)
{
// TODO Auto-generated method stub
WebDriver driver = null;
String URL="http://www.google.com";
//System.out.println("Application title is =============");
PractiseSession1 ade= new PractiseSession1();
ade.OpenBrowser(driver);
ade.GetPage(URL, driver);
ade.quitbrowser(driver);
}
private void quitbrowser(WebDriver driver)
{
driver.quit();
}
private void GetPage(String URL, WebDriver driver)
{
driver.get(URL);
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
}
private void OpenBrowser(WebDriver driver)
{
System.setProperty("webdriver.firefox.marionette", "<Geckodriver
path>geckodriver.exe");
DesiredCapabilities capabilities = DesiredCapabilities.firefox();
capabilities.setCapability("marionette", true);
driver= new FirefoxDriver();
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
}
}
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Deb*_*anB -1
您必须在代码中考虑以下几个因素:
PractiseSession1 ade= new PractiseSession1();
您通过并使用该对象ade
调用不同的方法OpenBrowser()
、GetPage()
和,创建了同一类的对象quitbrowser()
。这些方法执行的功能可以通过其中的一行代码来实现main()
,并且也无需创建任何对象。webdriver.gecko.driver
而不是webdriver.firefox.marionette
在行中System.setProperty
。虽然您提到System.setProperty
需要提供geckodriver.exe的绝对路径,如下所示:
System.setProperty("webdriver.gecko.driver", "C:\\your_directory\\geckodriver.exe");
Run Code Online (Sandbox Code Playgroud)一旦您提到ImplicitlyWait
,它就会在程序执行的整个过程中保留。您可以考虑删除多次提及。
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
整个代码只需 6 行即可编写,如下所示:
package demo;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
public class Q44308973_remote_unreachablebrowserexception {
public static void main(String[] args)
{
System.setProperty("webdriver.gecko.driver", "C:\\your_directory\\geckodriver.exe");
DesiredCapabilities dc = DesiredCapabilities.firefox();
dc.setCapability("marionette", true);
WebDriver driver = new FirefoxDriver(dc);
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
driver.get("https://google.com");
}
}
Run Code Online (Sandbox Code Playgroud)要详细了解如何webdriver.firefox.marionette
进化,webdriver.gecko.driver
您可以观看此空间。
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