Selenium服务器错误：无法创建新服务chromedriverservice [英] Selenium server error: Unable to create new service chromedriverservice

问题描述

我试图在我的Windows 10计算机上运行webdriverio并在尝试运行我的测试js文件时继续遇到同样的问题。所以我运行 -jar /your/download/directory/selenium-server-standalone-3.5.3.jar
来启动服务器并且出来了此输出

I am trying to run webdriverio on my windows 10 computer and keep running into the same issue when trying to run my test js file. So I run this -jar /your/download/directory/selenium-server-standalone-3.5.3.jar to start the server and that comes out with this output

13:06:19.471 INFO - Selenium build info: version: '3.5.3', revision: 'a88d25fe6b'
13:06:19.472 INFO - Launching a standalone Selenium Server
2018-02-16 13:06:19.503:INFO::main: Logging initialized @301ms to org.seleniumhq.jetty9.util.log.StdErrLog
13:06:19.564 INFO - Driver class not found: com.opera.core.systems.OperaDriver
13:06:19.600 INFO - Driver provider class org.openqa.selenium.safari.SafariDriver registration is skipped:
 registration capabilities Capabilities [{browserName=safari, version=, platform=MAC}] does not match the current platform WIN10
13:06:19.640 INFO - Using the passthrough mode handler
2018-02-16 13:06:19.673:INFO:osjs.Server:main: jetty-9.4.5.v20170502
2018-02-16 13:06:19.697:WARN:osjs.SecurityHandler:main: [e-mail]@3e9b1010{/,null,STARTING} has uncovered http methods for path: /
2018-02-16 13:06:19.703:INFO:osjsh.ContextHandler:main: Started o.s.j.s.ServletContextHandler@3e9b1010{/,null,AVAILABLE}
2018-02-16 13:06:19.807:INFO:osjs.AbstractConnector:main: Started ServerConnector@4e7dc304{HTTP/1.1,[http/1.1]}{0.0.0.0:4444}
2018-02-16 13:06:19.808:INFO:osjs.Server:main: Started @605ms
13:06:19.808 INFO - Selenium Server is up and running

之后我打开了一个新的命令行提示符并运行了我的test.js文件，看起来像这样

So after that I opened up a new command line prompt and ran my test.js file that looks like this

var webdriverio = require('webdriverio');
var options = {
    desiredCapabilities: {
        browserName: 'chrome'
    }
};

webdriverio
    .remote(options)
    .init()
    .url('http://www.google.com')
    .getTitle().then(function(title) {
        console.log('Title was: ' + title);
    })
    .end()
    .catch(function(err) {
        console.log(err);
    });

这是我得到的错误

{ Error: A new session could not be created.
    at end() - C:\Users\KenyaThompson\Desktop\test.js:16:6
  details: undefined,
  message: 'Unable to create new service: ChromeDriverService\nBuild info: version: \'3.5.3\', revision: \'a88d25fe6b\', time: \'2017-08-29T12:54:15.039Z\'\nSystem info: host: \'LAPTOP-9GIHGJ9I\', ip: \'10.0.0.243\', os.name: \'Windows 10\', os.arch: \'amd64\', os.version: \'10.0\', java.version: \'1.8.0_161\'\nDriver info: driver.version: unknown',
  type: 'RuntimeError',
  seleniumStack:
   { type: 'SessionNotCreatedException',
     message: 'A new session could not be created.',
     orgStatusMessage: 'Unable to create new service: ChromeDriverService\nBuild info: version: \'3.5.3\', revision: \'a88d25fe6b\', time: \'2017-08-29T12:54:15.039Z\'\nSystem info: host: \'LAPTOP-9GIHGJ9I\', ip: \'10.0.0.243\', os.name: \'Windows 10\', os.arch: \'amd64\', os.version: \'10.0\', java.version: \'1.8.0_161\'\nDriver info: driver.version: unknown' } }

有人可以向我解释我在这里做错了什么吗？也是的，我已经通过npm以及wdio-chromedriver-service安装了chromedriver。

Could someone please explain to me what I am doing wrong here? Also yes I already installed chromedriver via npm as well as wdio-chromedriver-service.

推荐答案

你看到的错误确实给了我们关于什么是错误的一些提示如下：

The error you are seeing does gives us some hint about whats going wrong as follows :

   { type: 'SessionNotCreatedException',
     message: 'A new session could not be created.',
     orgStatusMessage: 'Unable to create new service: ChromeDriverService\nBuild info: version: \'3.5.3\', revision: \'a88d25fe6b\', time: \'2017-08-29T12:54:15.039Z\'\nSystem info: host: \'LAPTOP-9GIHGJ9I\', ip: \'10.0.0.243\', os.name: \'Windows 10\', os.arch: \'amd64\', os.version: \'10.0\', java.version: \'1.8.0_161\'\nDriver info: driver.version: unknown' }

从错误消息中可以清楚地看到 ChromeDriver 没有得到de当您将日志消息视为驱动程序信息：driver.version： unknown 时，请注意。此错误的主要原因可能是您正在使用的二进制文件之间的不兼容。

It is clear from the error message that the ChromeDriver is not getting detected as you see the log message as Driver info: driver.version: unknown. The main reason of this error can be the incompatibility between the binaries you are using.

• 您的 Selenium客户端版本是 3.5.3 已发布 2017-08-29T12：54：15.039Z


• 您的 ChromeDriver 版本未知给我们。


• 您的 Chrome浏览器版本未知给我们。

• Your Selenium Client version is 3.5.3 released 2017-08-29T12:54:15.039Z
• Your ChromeDriver version is unknown to us.
• Your Chrome Browser version is unknown to us.

快速解决方案是：

• 将 Selenium客户端版本更新到最近的级别，即 Selenium 3.9.1


• 将 ChromeDriver 版本更新到最近的级别，即 ChromeDriver 2.35


• 根据 发行说明 href =https://chromedriver.storage.googleapis.com/2.35/notes.txt\"rel =nofollow noreferrer> ChromeDriver v2.35 更新 Chrome浏览器版本 v62-64


• 运行 CCleaner 工具，用于在执行测试之前和之后擦除操作系统杂务套件


• 如果 Chrome浏览器的基本版本为旧版，请通过 Chrome浏览器： //www.revouninstaller.com/revo_uninstaller_free_download.html\"rel =nofollow noreferrer> Revo Uninstaller 并安装最新的GA发布版 Chrome浏览器


• 执行测试。

• Update Selenium Client version to recent levels i.e. Selenium 3.9.1
• Update ChromeDriver version to recent levels i.e. ChromeDriver 2.35
• As per the Release Notes of ChromeDriver v2.35 update the Chrome Browser version to v62-64
• Run CCleaner tool to wipe off the OS chores before and after executing your Test Suite
• If your base version of Chrome Browser is olden uninstall Chrome Browser through Revo Uninstaller and install a recent GA released version of Chrome Browser
• Execute your Test.

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