首先有一些版本：
Angular CLI: 6.0.8
Node: 8.10.0
OS: win32 x64
Angular: 6.0.5
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router
Package Version
-----------------------------------------------------------
@angular-devkit/architect 0.6.8
@angular-devkit/build-angular 0.6.8
@angular-devkit/build-optimizer 0.6.8
@angular-devkit/core 0.6.8
@angular-devkit/schematics 0.6.8
@angular/cdk 6.2.1
@angular/cli 6.0.8
@angular/material 6.2.1
@ngtools/webpack 6.0.8
@schematics/angular 0.6.8
@schematics/update 0.6.8
rxjs 6.2.1
typescript 2.7.2
webpack 4.8.3
量角器，业力，茉莉花：
"jasmine-core": "~2.8.0",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~2.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "^1.2.1",
"karma-jasmine": "~1.1.0",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "~5.1.2",
Chromedriver：2.37
一旦我尝试运行一个测试（“ f”代表Focuse-> fit('some test', () => { // ... });），就会使我的Chrome无法访问：
(node:12700) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
[11:37:23] I/launcher - Running 1 instances of WebDriver
[11:37:23] I/direct - Using ChromeDriver directly...
[11:38:26] E/launcher - chrome not reachable
(Driver info: chromedriver=2.37.544315 (730aa6a5fdba159ac9f4c1e8cbc59bf1b5ce12b7),platform=Windows NT 6.1.7601 SP1 x86_64)
[11:38:26] E/launcher - WebDriverError: chrome not reachable
(Driver info: chromedriver=2.37.544315 (730aa6a5fdba159ac9f4c1e8cbc59bf1b5ce12b7),platform=Windows NT 6.1.7601 SP1 x86_64)
at Object.checkLegacyResponse (C:\Users\some.user\path-to-project\node_modules\selenium-webdriver\lib\error.js:505:15)
at parseHttpResponse (C:\Users\some.user\path-to-project\node_modules\selenium-webdriver\lib\http.js:509:13)
at doSend.then.response (C:\Users\some.user\path-to-project\node_modules\selenium-webdriver\lib\http.js:440:13)
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:188:7)
From: Task: WebDriver.createSession()
at Function.createSession (C:\Users\some.user\path-to-project\node_modules\selenium-webdriver\lib\webdriver.js:777:24)
at Function.createSession (C:\Users\some.user\path-to-project\node_modules\selenium-webdriver\chrome.js:709:29)
at Direct.getNewDriver (C:\Users\some.user\path-to-project\node_modules\protractor\lib\driverProviders\direct.ts:90:25)
at Runner.createBrowser (C:\Users\some.user\path-to-project\node_modules\protractor\lib\runner.ts:225:39)
at q.then.then (C:\Users\some.user\path-to-project\node_modules\protractor\lib\runner.ts:391:27)
at _fulfilled (C:\Users\some.user\path-to-project\node_modules\q\q.js:834:54)
at self.promiseDispatch.done (C:\Users\some.user\path-to-project\node_modules\q\q.js:863:30)
at Promise.promise.promiseDispatch (C:\Users\some.user\path-to-project\node_modules\q\q.js:796:13)
at C:\Users\some.user\path-to-project\node_modules\q\q.js:556:49
at runSingle (C:\Users\some.user\path-to-project\node_modules\q\q.js:137:13)
[11:38:26] E/launcher - Process exited with error code 199
An unexpected error occured: undefined
在任务管理器中（正在处理中），我看到一个chrome实例正在运行（但不可见）...
有什么想法吗？
编辑：似乎没有完全连接到fit / fdescribe，通常看起来非常不稳定...有时chrome启动，有时没有启动（这使我在任务管理器中拆除了该程序-甚至重新启动Windows（如果没有帮助）。但实际上，它永远不会与fit / fdescribe一起运行。
P.p.s .：我的同事在他的开发机上对同一项目没有任何问题...
P.p.p.s .：已更新为Chrome驱动程序版本2.42-错误消息已更改：
E/launcher - WebDriverError: unknown error: DevToolsActivePort file doesn't exist