Webdriver无法使用phantomjs创建会话

时间：2015-03-23 19:48:57

标签： selenium phantomjs protractor

我已按照Setting up PhantomJS的说明进行操作。

请查看目录结构如下

吽 find . -name phantomjs; ll
./node_modules/.bin/phantomjs
./node_modules/phantomjs
./node_modules/phantomjs/bin/phantomjs
./node_modules/phantomjs/lib/phantom/bin/phantomjs
total 16
-rw-r--r--  1 sarbbo  Y\Domain Users  1269 Mar 23 12:02 specs.js
drwxr-xr-x  4 sarbbo  Y\Domain Users   136 Mar 23 12:08 node_modules
-rw-r--r--  1 sarbbo  Y\Domain Users   204 Mar 23 12:25 conf.js

conf.js的内容如下所述。

exports.config = {
  seleniumAddress: 'http://localhost:4444/wd/hub',
  specs: ['specs.js'],
  capabilities: {
    'browserName': 'phantomjs',
    'phantomjs.binary.path': require('phantomjs').path
  }
}

根据capabilities: {'browserName': 'chrome'}

的需要运作

当protractor conf.js被执行时，会显示以下错误：

webdriver-manager [ webdriver-manager 已使用webdriver-manager start命令启动

12:41:41.043 INFO - Executing: [new session: Capabilities [{phantomjs.binary.path=/Users/sarbbo/GitHub/protractor/node_modules/phantomjs/lib/phantom/bin/phantomjs, count=1, browserName=phantomjs}]])
12:41:41.052 INFO - Creating a new session for Capabilities [{phantomjs.binary.path=/Users/sarbbo/GitHub/protractor/node_modules/phantomjs/lib/phantom/bin/phantomjs, count=1, browserName=phantomjs}]
12:41:41.054 WARN - Exception thrown
java.util.concurrent.ExecutionException: org.openqa.selenium.WebDriverException: java.lang.reflect.InvocationTargetException
Build info: version: '2.44.0', revision: '76d78cf', time: '2014-10-23 20:02:37'
System info: host: 'rushpress-lm', ip: '10.73.199.247', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.10.2', java.version: '1.8.0_25'
Driver info: driver.version: unknown
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.openqa.selenium.remote.server.DefaultSession.execute(DefaultSession.java:175)
    at org.openqa.selenium.remote.server.DefaultSession.<init>(DefaultSession.java:111)
    at org.openqa.selenium.remote.server.DefaultSession.createSession(DefaultSession.java:88)
    at org.openqa.selenium.remote.server.DefaultDriverSessions.newSession(DefaultDriverSessions.java:108)
    at org.openqa.selenium.remote.server.handler.NewSession.handle(NewSession.java:57)
    at org.openqa.12:41:41.059 WARN - Exception: org.openqa.selenium.browserlaunchers.Proxies

和量角器 错误 - 无法启动WebDriver会话。

/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/atoms/error.js:113
  var template = new Error(this.message);
                 ^
UnknownError: org.openqa.selenium.browserlaunchers.Proxies
    at new bot.Error (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/atoms/error.js:113:18)
    at Object.bot.response.checkResponse (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/atoms/response.js:106:9)
    at /usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/webdriver.js:152:24
    at /usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/goog/base.js:1582:15
    at [object Object].webdriver.promise.ControlFlow.runInNewFrame_ (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/promise.js:1654:20)
    at notify (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/promise.js:465:12)
    at notifyAll (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/promise.js:442:7)
    at resolve (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/promise.js:420:7)
    at fulfill (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/promise.js:535:5)
    at /usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/goog/base.js:1582:15
==== async task ====
WebDriver.createSession()
    at Function.webdriver.WebDriver.acquireSession_ (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/webdriver.js:149:22)
    at Function.webdriver.WebDriver.createSession (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver/webdriver.js:123:30)
    at Builder.build (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/builder.js:294:22)
    at DriverProvider.getNewDriver (/usr/local/lib/node_modules/protractor/lib/driverProviders/driverProvider.js:50:7)
    at Runner.createBrowser (/usr/local/lib/node_modules/protractor/lib/runner.js:178:37)
    at /usr/local/lib/node_modules/protractor/lib/runner.js:259:24
    at _fulfilled (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:797:54)
    at self.promiseDispatch.done (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:826:30)
    at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:759:13)
[launcher] Process exited with error code 1

任何指针都会有很大的帮助。

由于

1 个答案:

答案 0 :(得分：3)

更新量角器解决了问题，它使用 selenium-server-standalone-2.45.0.jar

您可能需要使用sudo执行以下命令。

npm i protractor -g
webdriver-manager update

更新2015年3月26日

以上适用于phantomjs-1.9.8但不适用于phantomjs-2.0.0。 我在本地更新了phantomjs version并从本地副本安装。

发生了同样的问题。看来， selenium-server-standalone-2.45.0.jar 与 phantomjs-2.0.0不兼容

<强> TL; DR

在搜索我遇到的解决方案时

  
    

降级回版本2.43.1解决了这个问题，因此我怀疑2.44.0的更改已经破坏了在网格上使用PhantomJS的能力。

  

在Issue 8102: PhantomJS Doesn't Work on Selenium Grid 2.44.0

我系统中selenium-server-standalone的{​​{1}}也是/usr/local/lib/node_modules/protractor/selenium

所以，我试图通过selenium-server-standalone-2.44.0.jar寻找降级selenium-server-standalone，但找不到合适的选项。

webdriver-manager

所以我在吽 webdriver-manager --help Usage: webdriver-manager <command> Commands: update: install or update selected binaries start: start up the selenium server status: list the current available drivers Options: --out_dir Location to output/expect [default: "/usr/local/lib/node_modules/protractor/selenium"] --seleniumPort Optional port for the selenium standalone server --ignore_ssl Ignore SSL certificates [default: false] --proxy Proxy to use for the install or update command --alternate_cdn Alternate CDN to the binaries --standalone Install or update selenium standalone [default: true] --chrome Install or update chromedriver [default: true] --ie Install or update IEDriver [default: false] Please specify one command

通过selenium-server-standalone-2.43.1.jar下载了curl 
/usr/local/lib/node_modules/protractor/selenium

但是，在启动 webdriver-manager 时，通过sudo curl -O https://selenium-release.storage.googleapis.com/2.43/selenium-server-standalone-2.43.1.jar 命令显示以下消息。

webdriver-manager start

我刚刚下载Selenium Standalone is not present. Install with webdriver-manager update --standalone ，但为什么selenium-server-standalone-2.43.1.jar抱怨？

在webdriver-manager查看 webdriver-manager 代码时，我注意到以下内容：

/usr/local/lib/node_modules/protractor

它试图根据if (!binaries.standalone.exists) { console.error('Selenium Standalone is not present. Install with ' + 'webdriver-manager update --standalone'); process.exit(1); }

匹配selenium-server-standalone的存在

以下是/usr/local/lib/node_modules/protractor/config.json

的内容 
/usr/local/lib/node_modules/protractor/config.json

更新量角器 { "webdriverVersions": { "selenium": "2.44.0", "chromedriver": "2.14", "iedriver": "2.44.0" } } 已更新为

/usr/local/lib/node_modules/protractor/config.json

然后执行{ "webdriverVersions": { "selenium": "2.45.0", "chromedriver": "2.14", "iedriver": "2.45.0" } } 已安装的webdriver-manager update以及selenium-server-standalone-2.45.0.jar。

现在，在执行chromedriver时，它按预期执行。

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