自动化测试研究，chromedriver.exe 版本不行

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前提条件，

1、我的电脑是已经配置了代理，可以翻墙的。

而且，关闭所有翻墙软件，清除缓存，清除浏览器、代理设置，，，，某些本来应该可以访问的网站，比如cucumberjs seleniumjs 等等网站，也是不能访问状态。

2、何总给的demo ，我的台式机启动报错。

其他的电脑，在maven 命令启动报错， grunt firefox 启动报错。

但是，我的台式机 grunt chrome 启动也是报错的，错误如下：

Running "env:chrome" (env) taskRunning "jshint:all" (jshint) task>> 8 files lint free.Running "exec:run_chrome" (exec) taskFeature: 法律社项目，印务测试用例                                                                                                                                                                                                                                                                                        材料出库测试                                                                                                                                                                                                                                                                                                       @first  Scenario: xin jian li xiang shen qingshalei  √ Given use name "shalei" pwd "shalei" login system                                                                                                                                                                                                                                                                 √ Then open the to do item                                                                                                                                                                                                                                                                                          √ Then open all tasks                                                                                                                                                                                                                                                                                               √ Given open task by                                                                                                                                                                                                                                                                                                √ When open sort                                                                                                                                                                                                                                                                                                    √ Then open float                                                                                                                                                                                                                                                                                                   √ Then According to the task information "编印务流程-纸质图书-123123" and task name "新建立项申请" to handle the process                                                                                                                                                                                                         Failures:1) Scenario: xin jian li xiang shen qing - features\float-test.feature:21   Step: After    Step Definition: features\support\hooks.js:10   Message:     Error: ECONNREFUSED connect ECONNREFUSED 127.0.0.1:54536         at ClientRequest.<anonymous> (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\http\index.js:381:15)         at emitOne (events.js:77:13)         at ClientRequest.emit (events.js:169:7)         at Socket.socketErrorListener (_http_client.js:269:9)         at emitOne (events.js:77:13)         at Socket.emit (events.js:169:7)         at emitErrorNT (net.js:1269:8)         at nextTickCallbackWith2Args (node.js:442:9)         at process._tickCallback (node.js:356:17)     From: Task: WebDriver.manage().window().setSize(1920, 1080)         at Driver.schedule (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\lib\webdriver.js:377:17)         at Window.setSize (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\lib\webdriver.js:1402:25)         at Object.<anonymous> (W:\AutoTestProject\LawEditorial-autotest\features\support\world.js:24:26)         at Module._compile (module.js:409:26)         at Object.Module._extensions..js (module.js:416:10)         at Module.load (module.js:343:32)         at Function.Module._load (module.js:300:12)         at Module.require (module.js:353:17)         at require (internal/module.js:12:17)         at Object.module.exports (W:\AutoTestProject\LawEditorial-autotest\features\step_definitions\base.step.js:8:15)1 scenario (1 failed)7 steps (7 passed)0m02.665s>> W:\AutoTestProject\LawEditorial-autotest\node_modules\cucumber\lib\cucumber\runtime\event_broadcaster.js:30>>             throw error;>>             ^>> >> Error: ECONNREFUSED connect ECONNREFUSED 127.0.0.1:54536>>     at ClientRequest.<anonymous> (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\http\index.js:381:15)>>     at emitOne (events.js:77:13)>>     at ClientRequest.emit (events.js:169:7)>>     at Socket.socketErrorListener (_http_client.js:269:9)>>     at emitOne (events.js:77:13)>>     at Socket.emit (events.js:169:7)>>     at emitErrorNT (net.js:1269:8)>>     at nextTickCallbackWith2Args (node.js:442:9)>>     at process._tickCallback (node.js:356:17)>> From: Task: WebDriver.quit()>>     at Driver.schedule (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\lib\webdriver.js:377:17)>>     at Driver.quit (W:\AutoTestProject\LawEditorial-autotest\node_modules\selenium-webdriver\lib\webdriver.js:443:23)>>     at W:\AutoTestProject\LawEditorial-autotest\features\support\hooks.js:26:11>>     at nextTickCallbackWith0Args (node.js:420:9)>>     at Immediate._tickCallback [as _onImmediate] (node.js:349:13)>>     at processImmediate [as _immediateCallback] (timers.js:383:17)>> Exited with code: 7.Warning: Task "exec:run_chrome" failed. Use --force to continue.Aborted due to warnings.

一直以为是代理问题，在 proxy.js 文件中设置了很长时间不能用。

也在 work.js 启动 driver 里面也设置了，还是不行。

用 grunt chrome 命令启动测试用例，曾经偶尔成功过，不知道因为啥原因后来也不行了。

今天看见两篇文章，链接如下。

https://bugs.chromium.org/p/chromedriver/issues/detail?id=1451

https://bugs.chromium.org/p/chromedriver/issues/detail?id=1504

把chromedriver.exe版本换成 2.24 就没有问题了。

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