必须通过webdriver.gecko.driver系统属性设置驱动程序可执行文件的路径;

Question

我正在使用Selenium 3.3.1,我正在测试下面的代码.

运行后显示以下错误:

线程"main"中的异常java.lang.IllegalStateException:驱动程序可执行文件的路径必须由webdriver.gecko.driver系统属性设置; 有关更多信息,请参阅 https://github.com/mozilla/geckodriver.最新版本可以从https://github.com/mozilla/geckodriver/releases下载到 com.google.common.base.Preconditions.checkState(Preconditions.java:738)org.openqa.selenium.remote.service.位于org.openqa.selenium.firefox.GeckoDriverService.access的DriverService.findExecutable(DriverService.java:111)org.openqa.selenium.firefox.GeckoDriverService上的$ 100(GeckoDriverService.java:38)$ Builder.findDefaultExecutable(GeckoDriverService.java:112 )org.openqa.selenium.remote.service.DriverService $ Builder.build(DriverService.java:302)org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:233)org.openqa.selenium. firefox.FirefoxDriver.(FirefoxDriver.java:125)位于Selenium_login的Selenium_login.(Selenium_login.java:13)org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:121).(Selenium_login.java:70) /home/ali/.cache/netbeans/dev/executor-snippets/run.xml:53:Java返回:1 BUILD FAILED(总时间:0秒)

Java代码:

import java.io.*;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;

public class Selenium_login {

    public WebDriver driver = new FirefoxDriver();

    /**
     * Open the test website.
     */
    public void openTestSite() {
        driver.navigate().to("http://testing-ground.scraping.pro/login");
    }

    /**
     * 
     * @param username
     * @param Password
     * 
     *            Logins into the website, by entering provided username and
     *            password
     */
    public void login(String username, String Password) {

        WebElement userName_editbox = driver.findElement(By.id("usr"));
        WebElement password_editbox = driver.findElement(By.id("pwd"));
        WebElement submit_button = driver.findElement(By.xpath("//input[@value='Login']"));

        userName_editbox.sendKeys(username);
        password_editbox.sendKeys(Password);
        submit_button.click();

    }

    /**
     * grabs the status text and saves that into status.txt file
     * 
     * @throws IOException
     */
    public void getText() throws IOException {
        String text = driver.findElement(By.xpath("//div[@id='case_login']/h3")).getText();
        Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("status.txt"), "utf-8"));
        writer.write(text);
        writer.close();

    }

    /**
     * Saves the screenshot
     * 
     * @throws IOException
     */
    public void saveScreenshot() throws IOException {
        File scrFile = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
        FileUtils.copyFile(scrFile, new File("screenshot.png"));
    }

    public void closeBrowser() {
        driver.close();
    }

    public static void main(String[] args) throws IOException {
        Selenium_login webSrcapper = new Selenium_login();
        webSrcapper.openTestSite();
        webSrcapper.login("admin", "12345");
        webSrcapper.getText();
        webSrcapper.saveScreenshot();
        webSrcapper.closeBrowser();
    }
}

Answer 1

自Selenium 3.0以来,您需要使用geckodriver与Firefox进行交互.根据您的操作系统从github下载geckodriver并解压缩到一个文件夹中.geckodriver.exe

在初始化之前添加以下行WebDriver:

System.setProperty("webdriver.gecko.driver","c:/your/path/to/geckodriver.exe");
WebDriver driver = new FirefoxDriver();
...