[英]Why do I keep getting NoSuchSessionError when running Selenium in Node.js?
当我运行脚本时,自动 web 浏览器确实加载了,我希望它加载的网站也加载了,但它立即关闭而没有做任何其他事情。 我查看了文档并使用了等待方法,以防我尝试加载的网站进行了大量 AJAX 加载,但它似乎仍然无法正常工作。 任何人都可以解释发生了什么以及我是如何收到此错误的吗?
这是 JavaScript 代码:
const {Builder, By, until} = require('selenium-webdriver');
(async function helloSelenium() {
let driver = await new Builder().forBrowser('safari').build();
await driver.get('https://www.google.com/?client=safari');
let ele = await driver.wait(until.elementLocated(By.id('gbqfbb'), 10000));
let b = await driver.findElement(By.id('gbqfbb'));
console.log(b.getText());
await driver.quit();
})();
这是错误:
user@MacBook-Pro webscraper % node webscraper.js
Promise { <pending> }
/Users/user/Documents/Web/webscraper/node_modules/selenium-webdriver/lib/error.js:522
let err = new ctor(data.message)
^
NoSuchSessionError
at Object.throwDecodedError (/Users/user/Documents/Web/webscraper/node_modules/selenium-webdriver/lib/error.js:522:15)
at parseHttpResponse (/Users/user/Documents/Web/webscraper/node_modules/selenium-webdriver/lib/http.js:548:13)
at Executor.execute (/Users/user/Documents/Web/webscraper/node_modules/selenium-webdriver/lib/http.js:474:28)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at async Driver.execute (/Users/user/Documents/Web/webscraper/node_modules/selenium-webdriver/lib/webdriver.js:735:17) {
remoteStacktrace: ''
}
尝试更改以下内容
从
let ele = await driver.wait(until.elementLocated(By.id('gbqfbb'), 10000));
到
let ele = await driver.wait(until.elementLocated(By.id('gbqfbb')), 10000);
同样重要的是要注意,如果此方法抛出异常(超时异常),那么您也必须 try-catch 它。
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