当 Selenium 通过 Jenkins (Mac OS X) 启动时，ChromeDriver“启动失败”

【问题标题】：ChromeDriver "failed to start" when Selenium started via Jenkins (Mac OS X)当 Selenium 通过 Jenkins (Mac OS X) 启动时，ChromeDriver“启动失败”
【发布时间】：2013-11-06 20:27:49
【问题描述】：

配置：Mac OS X 10.8.5、java 1.6.0_65、Selenium 2.37、Jenkins 1.538、Chrome 30.0.1599.101、ChromeDriver v2.6.232908 和 Firefox 25.0。 我正在使用 PHPUnit 3.7.28 和 PHP 5.3.22（使用 PHPUnit_Extensions_Selenium2TestCase）运行测试。

(1) 如果我像这样手动启动 Selenium：

 $ java -jar ~/Downloads/selenium-server-standalone-2.37.0.jar  -Dwebdriver.chrome.driver=/usr/local/bin/chromedriver

我可以按预期运行测试。

(2) 但是，如果我通过 Jenkins 启动 Selenium：

 # launchctl load /Library/LaunchDaemons/org.jenkins-ci.plist

然后运行我的测试，我得到一个错误：

$ phpunit --verbose tests/classes/core/admin_campaignhome_loads.php 
PHPUnit 3.7.28 by Sebastian Bergmann.

E

Time: 20.56 seconds, Memory: 5.25Mb

There was 1 error:

1) AdminTest::testLoginToBackend
PHPUnit_Extensions_Selenium2TestCase_WebDriverException: unknown error: Chrome failed to start: exited normally
  (Driver info: chromedriver=2.6.232908,platform=Mac OS X 10.8.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 20.53 seconds
Build info: version: '2.37.0', revision: 'a7c61cb', time: '2013-10-18 17:14:00'
System info: host: 'Pauls-iMac.local', ip: '192.168.1.18', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.5', java.version: '1.6.0_65'
Driver info: org.openqa.selenium.chrome.ChromeDriver

/usr/local/php5-20130308-201415/lib/php/PHPUnit/TextUI/TestRunner.php:349
/usr/local/php5-20130308-201415/lib/php/PHPUnit/TextUI/Command.php:176
/usr/local/php5-20130308-201415/lib/php/PHPUnit/TextUI/Command.php:129

FAILURES!
Tests: 1, Assertions: 0, Errors: 1.

(3) Firefox + Selenium v​​ia Jenkins 让我可以按预期运行测试。

jenkins.log 有以下内容：

14:51:11.439 INFO - Executing: [new session: {browserName=chrome}] at URL: /session)
14:51:11.440 INFO - Creating a new session for Capabilities [{browserName=chrome}]
Starting ChromeDriver (v2.6.232908) on port 33014
14:51:31.972 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: 'Pauls-iMac.local', ip: '192.168.1.18', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.5', java.version: '1.6.0_65'
Driver info: driver.version: unknown
    at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
    at java.util.concurrent.FutureTask.get(FutureTask.java:83)
    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', revision: 'a7c61cb', time: '2013-10-18 17:14:00'
System info: host: 'Pauls-iMac.local', ip: '192.168.1.18', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.5', java.version: '1.6.0_65'
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:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:169)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
    at java.lang.Thread.run(Thread.java:695)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    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 normally
  (Driver info: chromedriver=2.6.232908,platform=Mac OS X 10.8.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 20.53 seconds
Build info: version: '2.37.0', revision: 'a7c61cb', time: '2013-10-18 17:14:00'
System info: host: 'Pauls-iMac.local', ip: '192.168.1.18', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.5', java.version: '1.6.0_65'
Driver info: org.openqa.selenium.chrome.ChromeDriver
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    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
14:51:31.974 WARN - Exception: unknown error: Chrome failed to start: exited normally
  (Driver info: chromedriver=2.6.232908,platform=Mac OS X 10.8.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 20.53 seconds
Build info: version: '2.37.0', revision: 'a7c61cb', time: '2013-10-18 17:14:00'
System info: host: 'Pauls-iMac.local', ip: '192.168.1.18', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.5', java.version: '1.6.0_65'
Driver info: org.openqa.selenium.chrome.ChromeDriver

【问题讨论】：

    标签： php macos selenium jenkins selenium-chromedriver


    【解决方案1】：

    这是因为 jenkins 启动的实例没有 chrome 功能

    看看

    http://localhost:4444

    查看它的功能

    您可以添加其他功能

    java -jar selenium-server-standalone-2.37.0.jar -role node \
    -hub http://localhost:4444/grid/register  \
    -browser "browserName=chrome,version=25,maxInstances=5" \
    -Dwebdriver.chrome.driver="/usr/local/bin/chromedriver" \ 
    -host localhost \
    -port 5556

    您可以使用不同的-port 设置来启动同一台机器的多个功能，甚至可以通过将-hub 更改为selenium 服务器的真实地址来从不同的机器连接

    编辑

    我在没有

    的情况下连接我的 chrome 驱动程序时重现了您的问题 
    -Dwebdriver.chrome.driver='...'

    我正在使用 v2.33.0

    13:18:44.922 警告 - 抛出异常 java.util.concurrent.ExecutionException： org.openqa.selenium.WebDriverException： java.lang.reflect.InvocationTargetException 构建信息：版本： '2.33.0'，修订：'4e90c97'，时间：'2013-05-22 15:32:38'系统 信息：os.name：'Linux'，os.arch：'amd64'，os.version： '3.2.0-55-generic', java.version: '1.7.0_45' 驱动信息： 驱动程序版本：未知 java.util.concurrent.FutureTask.report(FutureTask.java:122) 在 java.util.concurrent.FutureTask.get(FutureTask.java:188) 在 org.openqa.selenium.remote.server.DefaultSession.execute(DefaultSession.java:176)

    所以我怀疑你使用的 Selenium-jenkins 插件没有设置 chromedriver 或者它有一个无效的。 有一个日志要检查（我的 Jenkins 上没有硒网格了）或者可能将 chromedriver 的路径添加到你的路径中，如在这个线程中https://groups.google.com/forum/?fromgroups#!topic/selenium-users/-3LJ3wma3RE

    【讨论】：

    • 1.如果我在运行之前查看 localhost:8080/selenium，我已经看到 Chrome 列出 (http://192.168.1.18:4445 {seleniumProtocol=WebDriver, platform=MAC, browserName=chrome, maxInstances=5, jenkins.nodeName=(master)} Idle)。如果我运行您的命令，我会看到第二组实例 (http://localhost:5556 {platform=MAC, seleniumProtocol=WebDriver, browserName=chrome, maxInstances=5, version=30})。为什么？ 2. 有没有办法让 Jenkins 启动带有 Chrome 支持的 Selenium 实例？每次都必须添加节点似乎很奇怪。
    • 我更新了答案，但我认为 jenkins 找不到 chromedriver 文件
    • chromedriver 在 /usr/bin 中。我还在Jenkins/Selenium config中手动设置了ChromeDriver路径。
    • 不确定将 chromedriver 路径指定为全局 Jenkins 变量是否正确——最好在构建代理中。
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