selenium.common.exceptions.NoSuchElementException:消息:没有

问题描述

所以我尝试使用 selenium 单击下一步按钮，我尝试使用下面的代码，但它以错误结束.

So Im trying to I click the next button using selenium, I've tried with the code below, but it ends in error.

元素

<input type="submit" name="submitNext" value="Next">

我的代码

driver.find_element_by_name("submitNext").click()

然后它会输出这些错误

Traceback (most recent call last):
  File "C:/Users/thomas/PycharmProjects/test/mainapp/main.py", line 194, in 
<module>
    visa()
  File "C:/Users/thomas/PycharmProjects/test/mainapp/main.py", line 174, in visa
driver.find_element_by_name("submitNext").click()
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 487, in find_element_by_name
return self.find_element(by=By.NAME, value=name)
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 955, in find_element
'value': value})['value']
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 312, in execute
self.error_handler.check_response(response)
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emoteerrorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"name","selector":"submitNext"}
  (Session info: chrome=66.0.3359.170)
  (Driver info: chromedriver=2.36.540470 (e522d04694c7ebea4ba8821272dbef4f9b818c91),platform=Windows NT 10.0.16299 x86_64)

任何人对如何正确单击该按钮有任何想法?

Anyone have any ideas as to how to click that button without errors?

推荐答案

这个错误信息...

selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"name","selector":"submitNext"}
  (Session info: chrome=66.0.3359.170)
  (Driver info: chromedriver=2.36.540470)

...暗示 ChromeDriver 无法找到所需的元素.

...implies that the ChromeDriver was unable to locate the desired element.

根据您共享的 HTML 来单击元素，您可以使用以下任一定位器策略:

As per the HTML you have shared to click on the element you can use either of the following Locator Strategies :

• css_selector:

driver.find_element_by_css_selector("input[name='submitNext'][value='Next']").click()

driver.find_element_by_xpath("//input[@name='submitNext' and @value='Next']").click()

但是您的主要问题是您使用的二进制文件之间的版本兼容性，如下所示:

However your main issue is the version compatibility between the binaries you are using as follows :

• 您正在使用 chromedriver=2.36
• chromedriver=2.36 的发行说明明确提及以下内容:

支持 Chrome v63-65

• 您正在使用 chrome=66.0
• ChromeDriver v2.38 明确提及以下内容:

支持 Chrome v65-67

• 我们不知道您的 Selenium 客户端 版本.

所以 ChromeDriver v2.36 和 Chrome 浏览器 v66.0 之间存在明显的不匹配

So there is a clear mismatch between the ChromeDriver v2.36 and the Chrome Browser v66.0

• 将 Selenium 升级到当前级别版本 3.11.0.
• 将 ChromeDriver 升级到当前的 ChromeDriverv2.38 级别.
• 将 Chrome 版本保持在 Chrome v66.x 级别.(根据 ChromeDriver v2.38 发行说明)
• 清理你的项目工作区通过你的IDE和重建你的项目只需要依赖.
• 使用 CCleaner 工具清除之前和在您的测试套件执行之后.
• 如果您的基础 Web Client 版本太旧，请通过 卸载它Revo Uninstaller 并安装最新的 GA 和发布版本的 Web Client.
• 进行一次系统重启.
• 执行你的 @Test.
• Upgrade Selenium to current levels Version 3.11.0.
• Upgrade ChromeDriver to current ChromeDriver v2.38 level.
• Keep Chrome version at Chrome v66.x levels. (as per ChromeDriver v2.38 release notes)
• Clean your Project Workspace through your IDE and Rebuild your project with required dependencies only.
• Use CCleaner tool to wipe off all the OS chores before and after the execution of your test Suite.
• If your base Web Client version is too old, then uninstall it through Revo Uninstaller and install a recent GA and released version of Web Client.
• Take a System Reboot.
• Execute your @Test.

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