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超过 1 分钟后开始本地功能测试

2024-02-16

我有相同的测试，相同的 selenium-server-standalone (2.43.1) 和 chromedriver (2.10)。 我只有功能测试（没有单元测试）。 我的 Chrome 版本为 37。我的 OSX 版本为 10.9.5。 Java 版本为 1.7.0_51（Java 7 更新 67）。

当我运行测试时，会打开一个带有空选项卡的新 Chrome 实例：

  • Intern 1.7.0 测试在不到 10 秒内开始。
  • 对于实习生 2.1.1，测试将在 55-60 秒内开始。

Selenium 日志如下所示（由 intern 2.1.1 运行时）：

01:26:50.195 INFO - Launching a standalone server
01:26:50.388 INFO - Java: Oracle Corporation 24.51-b03
01:26:50.388 INFO - OS: Mac OS X 10.9.5 x86_64
01:26:50.487 INFO - v2.43.1, with Core v2.43.1. Built from revision 5163bce
01:26:50.734 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: MAC
01:26:50.846 INFO - RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub
01:26:50.847 INFO - Version Jetty/5.1.x
01:26:50.850 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver]
01:26:50.851 INFO - Started HttpContext[/selenium-server,/selenium-server]
01:26:50.851 INFO - Started HttpContext[/,/]
01:26:56.063 INFO - Started org.openqa.jetty.jetty.servlet.ServletHandler@1f8f110d
01:26:56.064 INFO - Started HttpContext[/wd,/wd]
01:26:56.101 INFO - Started SocketListener on 0.0.0.0:4444
01:26:56.101 INFO - Started org.openqa.jetty.jetty.Server@71a9b093
01:27:24.536 INFO - Executing: [new session: Capabilities [{idle-timeout=60, browserName=chrome, name=tests/intern_local, selenium-version=2.43.1, chromeOptions={args=[test-type]}}]])
01:27:24.592 INFO - Creating a new session for Capabilities [{idle-timeout=60, browserName=chrome, name=tests/intern_local, selenium-version=2.43.1, chromeOptions={args=[test-type]}}]
Starting ChromeDriver (v2.10.267517) on port 32601
Only local connections are allowed.
01:27:26.447 INFO - Done: [new session: Capabilities [{idle-timeout=60, browserName=chrome, name=tests/intern_local, selenium-version=2.43.1, chromeOptions={args=[test-type]}}]]
01:27:26.465 INFO - Executing: [get: about:blank])
01:27:26.865 INFO - Done: [get: about:blank]
01:27:26.875 INFO - Executing: [get location context])
01:27:26.876 INFO - Executing: [take screenshot])
01:27:26.876 INFO - Executing: [get local storage size])
01:27:26.876 INFO - Executing: [doubleclick: no args])
01:27:26.878 INFO - Executing: [execute async script: arguments[0](true);, []])
01:27:27.109 INFO - Done: [take screenshot]
01:27:27.114 INFO - Executing: [Long press: null])
01:27:27.154 INFO - Done: [doubleclick: no args]
01:27:27.158 INFO - Executing: [get window size])
01:27:27.169 INFO - Done: [execute async script: arguments[0](true);, []]
01:27:27.169 WARN - Exception thrown
java.lang.UnsupportedOperationException: Underlying driver does not implement advanced user interactions yet.
    at org.openqa.selenium.support.events.EventFiringWebDriver.getTouch(EventFiringWebDriver.java:311)
    at org.openqa.selenium.remote.server.handler.interactions.touch.LongPressOnElement.call(LongPressOnElement.java:40)
    at org.openqa.selenium.remote.server.handler.interactions.touch.LongPressOnElement.call(LongPressOnElement.java:1)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:169)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
01:27:27.189 WARN - Exception: Underlying driver does not implement advanced user interactions yet.
01:27:27.205 INFO - Done: [get window size]
01:27:27.212 INFO - Executing: [set window size])
01:27:27.323 INFO - Done: [set window size]
01:27:31.956 WARN - Exception thrown
org.openqa.selenium.WebDriverException: unknown error: Location must be set before it can be retrieved
  (Session info: chrome=37.0.2062.124)
  (Driver info: chromedriver=2.10.267517,platform=Mac OS X 10.9.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 3 milliseconds
Build info: version: '2.43.1', revision: '5163bce', time: '2014-09-10 16:27:33'
System info: host: 'N/A', ip: 'N/A', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.9.5', java.version: '1.7.0_51'
Session ID: 25d1fbe63300966edb133612003055d1
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{platform=MAC, acceptSslCerts=true, javascriptEnabled=true, browserName=chrome, chrome={userDataDir=/var/folders/zx/954mnbfn6s145t6d04g5nr5h0000gq/T/.org.chromium.Chromium.dGVeyG}, rotatable=false, locationContextEnabled=true, version=37.0.2062.124, takesHeapSnapshot=true, cssSelectorsEnabled=true, databaseEnabled=false, handlesAlerts=true, browserConnectionEnabled=false, nativeEvents=true, webStorageEnabled=true, applicationCacheEnabled=false, takesScreenshot=true}]
    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:526)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:156)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:599)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:614)
    at org.openqa.selenium.remote.RemoteExecuteMethod.execute(RemoteExecuteMethod.java:32)
    at org.openqa.selenium.remote.html5.RemoteLocationContext.location(RemoteLocationContext.java:38)
    at org.openqa.selenium.chrome.ChromeDriver.location(ChromeDriver.java:195)
    at org.openqa.selenium.remote.server.handler.html5.GetLocationContext.call(GetLocationContext.java:31)
    at org.openqa.selenium.remote.server.handler.html5.GetLocationContext.call(GetLocationContext.java:1)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:169)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
01:27:37.029 WARN - Exception thrown
org.openqa.selenium.WebDriverException: unknown error: Runtime.evaluate threw exception: SecurityError: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.
  (Session info: chrome=37.0.2062.124)
  (Driver info: chromedriver=2.10.267517,platform=Mac OS X 10.9.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 8 milliseconds
Build info: version: '2.43.1', revision: '5163bce', time: '2014-09-10 16:27:33'
System info: host: 'N/A', ip: 'N/A', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.9.5', java.version: '1.7.0_51'
Session ID: 25d1fbe63300966edb133612003055d1
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{platform=MAC, acceptSslCerts=true, javascriptEnabled=true, browserName=chrome, chrome={userDataDir=/var/folders/zx/954mnbfn6s145t6d04g5nr5h0000gq/T/.org.chromium.Chromium.dGVeyG}, rotatable=false, locationContextEnabled=true, version=37.0.2062.124, takesHeapSnapshot=true, cssSelectorsEnabled=true, databaseEnabled=false, handlesAlerts=true, browserConnectionEnabled=false, nativeEvents=true, webStorageEnabled=true, applicationCacheEnabled=false, takesScreenshot=true}]
    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:526)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:156)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:599)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:614)
    at org.openqa.selenium.remote.RemoteExecuteMethod.execute(RemoteExecuteMethod.java:32)
    at org.openqa.selenium.remote.html5.RemoteLocalStorage.size(RemoteLocalStorage.java:72)
    at org.openqa.selenium.remote.server.handler.html5.GetLocalStorageSize.call(GetLocalStorageSize.java:30)
    at org.openqa.selenium.remote.server.handler.html5.GetLocalStorageSize.call(GetLocalStorageSize.java:1)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:169)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
01:27:47.173 WARN - Exception: unknown error: Location must be set before it can be retrieved
  (Session info: chrome=37.0.2062.124)
  (Driver info: chromedriver=2.10.267517,platform=Mac OS X 10.9.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 3 milliseconds
Build info: version: '2.43.1', revision: '5163bce', time: '2014-09-10 16:27:33'
System info: host: 'N/A', ip: 'N/A', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.9.5', java.version: '1.7.0_51'
Session ID: 25d1fbe63300966edb133612003055d1
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{platform=MAC, acceptSslCerts=true, javascriptEnabled=true, browserName=chrome, chrome={userDataDir=/var/folders/zx/954mnbfn6s145t6d04g5nr5h0000gq/T/.org.chromium.Chromium.dGVeyG}, rotatable=false, locationContextEnabled=true, version=37.0.2062.124, takesHeapSnapshot=true, cssSelectorsEnabled=true, databaseEnabled=false, handlesAlerts=true, browserConnectionEnabled=false, nativeEvents=true, webStorageEnabled=true, applicationCacheEnabled=false, takesScreenshot=true}]
01:27:57.321 WARN - Exception: unknown error: Runtime.evaluate threw exception: SecurityError: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.
  (Session info: chrome=37.0.2062.124)
  (Driver info: chromedriver=2.10.267517,platform=Mac OS X 10.9.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 8 milliseconds
Build info: version: '2.43.1', revision: '5163bce', time: '2014-09-10 16:27:33'
System info: host: 'N/A', ip: 'N/A', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.9.5', java.version: '1.7.0_51'
Session ID: 25d1fbe63300966edb133612003055d1
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{platform=MAC, acceptSslCerts=true, javascriptEnabled=true, browserName=chrome, chrome={userDataDir=/var/folders/zx/954mnbfn6s145t6d04g5nr5h0000gq/T/.org.chromium.Chromium.dGVeyG}, rotatable=false, locationContextEnabled=true, version=37.0.2062.124, takesHeapSnapshot=true, cssSelectorsEnabled=true, databaseEnabled=false, handlesAlerts=true, browserConnectionEnabled=false, nativeEvents=true, webStorageEnabled=true, applicationCacheEnabled=false, takesScreenshot=true}]
01:28:27.773 INFO - Executing: [get: data:text/html;charset=utf-8,%3C!DOCTYPE%20html%3E%3Ctitle%3Ea%3C%2Ftitle%3E])
01:28:27.794 INFO - Done: [get: data:text/html;charset=utf-8,%3C!DOCTYPE%20html%3E%3Ctitle%3Ea%3C%2Ftitle%3E]
01:28:27.799 INFO - Executing: [get title])
01:28:27.803 INFO - Done: [get title]
...

我的实习生配置如下：

define({
  proxyPort: 9000,
  proxyUrl: 'http://localhost:9000/',

  capabilities: {
    'selenium-version': '2.43.1'
  },

  environments: [
    { browserName: 'chrome'}
  ],

  maxConcurrency: 3,

  tunnel: 'NullTunnel',
  loader: {},
  suites: [],

  functionalSuites: 'tests/all_functional',

  reporters: ['console'],
  excludeInstrumentation: /^tests\//
});

我尝试将 Selenium 2.42.2 与 chromedriver 2.10 和 chromedriver 2.9 一起使用，但结果相似。

Update 1

OSX 10.10、Java 1.7.0_51（Java 7 更新 71）、chromedriver 2.11 和 Chrome 38.0.2125.104 也存在同样的问题。

Update 2

我开始研究为什么 HttpContext 和 ServletHandler 启动之间有这么大的延迟。调试表明New random session seed需要很长时间（5秒）。似乎所有需要较长时间的错误的时间都是 5 的倍数（5 秒、10 秒和 25 秒）。

在其他 Unix 系统上，这个问题可以通过用 /dev/urandom 替换 /dev/random 来解决，但在 OSX 上，它们之间应该没有区别。我尝试在 selenium 运行时向 /dev/random 提供数据，但没有帮助。

使用 sudo 运行会得到相同的结果。

指定-Djava.security.egd=file:///dev/urandom给出相同的结果。

Update 3在新机器上问题消失了。由于我不再拥有旧机器 - 答案仍然是个谜。

我认为这些机器之间唯一可能不同的是 JDK。


我在 macOS Sierra 上使用时遇到了这个问题selenium-standalone-server 2.42.2 and chromedriver 2.25。我在使用时尝试了两者的几个版本组合java version 1.8.0_91无济于事。

通过恢复到以前的 java 版本解决了该问题，java version 1.8.0_45。不是最好的解决方案，所以我正在使用http://www.jenv.be/ http://www.jenv.be/当我需要的时候来回走动。这并不能确定问题的根本原因，但我希望这个解决方法可以帮助某人，我花了一段时间才找到它。

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