所以我之前有一个Chromedriver / Selenium设置工作,但现在尝试在一台新机器上安装所有东西(64位
Linux)它给了我一些问题,并没有真正告诉我什么是绊倒.
我正在使用Selenium的独立服务器版本2.37.0和nodejs以及最新版本的Chromedriver(我也尝试过Chromedriver 2.0,我之前使用的早期版本,结果相同).
如下面的输出所示,当我尝试使用webdriver运行脚本时,我收到一个错误,其中包括:引起:org.openqa.selenium.WebDriverException:未知错误:Chrome无法启动:异常退出.我没有从chromedriver获得日志输出,只从Selenium输出(带错误)和Node.js输出(尝试运行测试脚本).
谁能让我知道我在这里做错了什么?
编辑:我忘了补充说,失败后有一个Chromedriver运行的过程,所以这件事是可以的,我的Chrome可执行文件确实在/ etc / bin / google-chrome,就像Chromedriver想要的那样.
输出:
一旦我启动并运行selenium,我就试图运行一个包含内容的简单测试脚本:
var webdriverjs = require("webdriverjs"); var client = webdriverjs.remote({desiredCapabilities:{browserName:"chrome"}}); // to run in chrome client .init() .url("https://github.com/") .end();
运行测试脚本的Node.js控制台输出如下所示:
[1;33m=====================================================================================[0m Selenium 2.0/webdriver protocol bindings implementation with helper commands in nodejs by Camilo Tapia. For a complete list of commands,visit [1;32mhttp://code.google.com/p/selenium/wiki/JsonWireProtocol[0m. Not all commands are implemented yet. visit [1;32mhttps://github.com/Camme/webdriverjs[0m for more info on webdriverjs. [1;33m=====================================================================================[0m [1;30m[21:31:09]: [0m [0;35mCOMMAND [0mPOST "/wd/hub/session" [1;30m[21:31:09]: [0m [0;33mDATA [0m{"desiredCapabilities":{"browserName":"chrome","version":"","javascriptEnabled":true,"platform":"ANY"},"sessionId":null} [1;30m[21:31:32]: [0m [1;31mERROR [0mCouldNT GET A SESSION ID [1;30m[21:31:32]: [0m Exiting process with 1
最后,Selenium在启动时和尝试运行脚本时的输出如下.出于某种原因,我根本没有得到chromedriver.log文件.
java -jar /usr/local/automation/framework/selenium/selenium-server-standalone-2.37.0.jar -Dwebdriver.chrome.driver='/usr/local/automation/framework/selenium/chromedriver' & [1] 21293 ubuntu@ip-10-0-0-35:/usr/local/automation/framework/selenium$Nov 15,2013 9:30:31 PM org.openqa.grid.selenium.GridLauncher main INFO: Launching a standalone server Setting system property webdriver.chrome.driver to /usr/local/automation/framework/selenium/chromedriver 21:30:32.240 INFO - Java: Oracle Corporation 23.5-b02 21:30:32.241 INFO - OS: Linux 3.2.0-48-virtual amd64 21:30:32.289 INFO - v2.37.0,with Core v2.37.0. Built from revision a7c61cb 21:30:32.586 INFO - Default driver org.openqa.selenium.iphone.IPhoneDriver registration is skipped: registration capabilities Capabilities [{platform=MAC,browserName=iPhone,version=}] does not match with current platform: LINUX 21:30:32.626 INFO - Default driver org.openqa.selenium.ie.InternetExplorerDriver registration is skipped: registration capabilities Capabilities [{platform=WINDOWS,ensureCleanSession=true,browserName=internet explorer,version=}] does not match with current platform: LINUX 21:30:32.774 INFO - Default driver org.openqa.selenium.iphone.IPhoneDriver registration is skipped: registration capabilities Capabilities [{platform=MAC,browserName=iPad,version=}] does not match with current platform: LINUX 21:30:32.913 INFO - RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub 21:30:32.918 INFO - Version Jetty/5.1.x 21:30:32.919 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver] 21:30:32.920 INFO - Started HttpContext[/selenium-server,/selenium-server] 21:30:32.920 INFO - Started HttpContext[/,/] 21:30:32.968 INFO - Started org.openqa.jetty.jetty.servlet.ServletHandler@3b3d8503 21:30:32.968 INFO - Started HttpContext[/wd,/wd] 21:30:32.974 INFO - Started SocketListener on 0.0.0.0:4444 21:30:32.975 INFO - Started org.openqa.jetty.jetty.Server@3e724328 ubuntu@ip-10-0-0-35:/usr/local/automation/framework/selenium$21:31:10.116 INFO - Executing: [new session: {platform=ANY,javascriptEnabled=true,browserName=chrome,version=}] at URL: /session) 21:31:10.164 INFO - Creating a new session for Capabilities [{platform=ANY,version=}] Starting ChromeDriver (v2.6.232917) on port 17624 [0.797][WARNING]: PAC support disabled because there is no system implementation 21:31:32.375 WARN - Exception thrown java.util.concurrent.ExecutionException: org.openqa.selenium.WebDriverException: java.lang.reflect.InvocationTargetException Build info: version: '2.37.0',revision: 'a7c61cb',time: '2013-10-18 17:14:00' System info: host: 'ip-10-0-0-35',ip: '10.0.0.35',os.name: 'Linux',os.arch: 'amd64',os.version: '3.2.0-48-virtual',java.version: '1.7.0_09' Driver info: driver.version: unkNown at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) at java.util.concurrent.FutureTask.get(FutureTask.java:111) at org.openqa.selenium.remote.server.DefaultSession.execute(DefaultSession.java:176) at org.openqa.selenium.remote.server.DefaultSession.<init>(DefaultSession.java:112) at org.openqa.selenium.remote.server.DefaultSession.createSession(DefaultSession.java:89) at org.openqa.selenium.remote.server.DefaultDriverSessions.newSession(DefaultDriverSessions.java:104) at org.openqa.selenium.remote.server.handler.NewSession.handle(NewSession.java:63) at org.openqa.selenium.remote.server.rest.ResultConfig.handle(ResultConfig.java:205) at org.openqa.selenium.remote.server.JsonHttpRemoteConfig.handleRequest(JsonHttpRemoteConfig.java:192) at org.openqa.selenium.remote.server.DriverServlet.handleRequest(DriverServlet.java:201) at org.openqa.selenium.remote.server.DriverServlet.doPost(DriverServlet.java:167) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.openqa.selenium.remote.server.DriverServlet.service(DriverServlet.java:139) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.openqa.jetty.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.openqa.jetty.jetty.servlet.ServletHandler.dispatch(ServletHandler.java:677) at org.openqa.jetty.jetty.servlet.ServletHandler.handle(ServletHandler.java:568) at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1526) at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1479) at org.openqa.jetty.http.HttpServer.service(HttpServer.java:914) at org.openqa.jetty.http.httpconnection.service(httpconnection.java:820) at org.openqa.jetty.http.httpconnection.handleNext(httpconnection.java:986) at org.openqa.jetty.http.httpconnection.handle(httpconnection.java:837) at org.openqa.jetty.http.socketListener.handleConnection(SocketListener.java:243) at org.openqa.jetty.util.ThreadedServer.handle(ThreadedServer.java:357) at org.openqa.jetty.util.ThreadPool$PoolThread.run(ThreadPool.java:534) Caused by: org.openqa.selenium.WebDriverException: java.lang.reflect.InvocationTargetException Build info: version: '2.37.0',java.version: '1.7.0_09' Driver info: driver.version: unkNown at org.openqa.selenium.remote.server.DefaultDriverFactory.callConstructor(DefaultDriverFactory.java:72) at org.openqa.selenium.remote.server.DefaultDriverFactory.newInstance(DefaultDriverFactory.java:56) at org.openqa.selenium.remote.server.DefaultSession$browserCreator.call(DefaultSession.java:215) at org.openqa.selenium.remote.server.DefaultSession$browserCreator.call(DefaultSession.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:169) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at org.openqa.selenium.remote.server.DefaultDriverFactory.callConstructor(DefaultDriverFactory.java:62) ... 9 more Caused by: org.openqa.selenium.WebDriverException: unkNown error: Chrome Failed to start: exited abnormally (Driver info: chromedriver=2.6.232917,platform=Linux 3.2.0-48-virtual x86_64) (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 20.99 seconds Build info: version: '2.37.0',java.version: '1.7.0_09' Driver info: org.openqa.selenium.chrome.ChromeDriver at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:193) at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:554) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:216) at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:111) at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:115) at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:150) at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:129) ... 14 more 21:31:32.413 WARN - Exception: unkNown error: Chrome Failed to start: exited abnormally (Driver info: chromedriver=2.6.232917,java.version: '1.7.0_09' Driver info: org.openqa.selenium.chrome.ChromeDriver
解决方法
好的,在发布所有这些之后我才知道我做错了什么!
问题是我通过SSH从一个终端启动selenium,然后通过VNC从桌面终端运行测试脚本.显然Selenium,WebdriverJS或Chromedriver不喜欢这个.
当我启动Selenium并从桌面上的终端运行测试脚本时,它工作正常.