Protractor 使用量角器框架进行测试会产生这种错误

你好，朋友，我正在使用量角器和cucumber js测试angular 2应用程序，但它给了我这个错误，我尝试了几种解决方案，但没有人能解决我的问题。如果你知道任何解决方案，那就太好了，谢谢你

[1] 未处理的拒绝类型错误：this.registerHandler不是函数 [1] 在Object.registerHandlers（/home/ca1/webstromprojects/DME/node_modules/dragrator cumber framework/lib/resultsapturer.js:16:8） [1] at/home/ca1/webstromprojects/DME/node_modules/dragrator cumber framework/lib/resultsapturer.js:6:22 [1] 在Object.defineSupportCode（/home/ca1/webstorprojects/DME/node\u modules/cucumber/src/support\u code\u library\u builder/index.js:20:9） [1] 反对。（/home/ca1/webstromprojects/DME/node_modules/framework/lib/resultsapturer.js:5:12） [1] 在模块处编译（Module.js:570:32） [1] 在Object.Module.\u extensions..js（Module.js:579:10） [1] 在Module.load（Module.js:487:32） [1] 在tryModuleLoad时（module.js:446:12） [1] 在Function.Module.\u加载（Module.js:438:3） [1] at Module.require（Module.js:497:17） [1] 根据需要（内部/module.js:20:19） [1] at/home/ca1/websprojects/DME/node_modules/cucumber/src/cli/index.js:61:42 [1] at Array.forEach（本机） [1] 在Cli.getsupportcodebrary（/home/ca1/webstorprojects/DME/node_modules/cucumber/src/Cli/index.js:61:22） [1] 在Cli。（/home/ca1/websprojects/DME/node_modules/cucumber/src/cli/index.js:76:37） [1] 在下一个（本地） [1] [17:30:50]E/launcher-错误：launcher退出，剩余1个任务

这是我的package.json

{
  "name": "dpt-angular",
  "version": "1.0.0",
  "description": "QuickStart package.json from the documentation, supplemented with testing support",
  "scripts": {
    "start": "concurrently \"npm run tsc:w\" \"npm run lite\" ",
    "e2e": "concurrently \"http-server -s\" \"protractor protractor.config.js\" --kill-others --success first",
    "lint": "tslint ./app/**/*.ts -t verbose",
    "lite": "lite-server",
    "pree2e": "webdriver-manager update",
    "test": "concurrently \"tsc -w\" \"karma start karma.conf.js\"",
    "test-once": "karma start karma.conf.js --single-run",
    "tsc": "tsc",
    "tsc:w": "tsc -w"
  },
  "keywords": [],
  "author": "",
  "license": "MIT",
  "dependencies": {
    "@angular/common": "~2.4.0",
    "@angular/compiler": "~2.4.0",
    "@angular/core": "~2.4.0",
    "@angular/forms": "~2.4.0",
    "@angular/http": "~2.4.0",
    "@angular/platform-browser": "~2.4.0",
    "@angular/platform-browser-dynamic": "~2.4.0",
    "@angular/router": "~3.4.0",
    "@types/file-saver": "0.0.1",
    "angular-in-memory-web-api": "~0.2.4",
    "angular2-moment": "^1.1.0",
    "core-js": "^2.4.1",
    "mydatepicker": "^2.0.25",
    "ng2-completer": "^1.5.2",
    "ng2-file-upload": "^1.2.1",
    "ng2-pdf-viewer": "^1.1.0",
    "rxjs": "5.0.1",
    "systemjs": "0.19.40",
    "zone.js": "^0.7.4"
  },
  "devDependencies": {
    "@types/jasmine": "^2.5.36",
    "@types/node": "^6.0.46",
    "canonical-path": "0.0.2",
    "concurrently": "^3.1.0",
    "cucumber": "^3.0.0",
    "cucumber-tsflow": "^2.2.0",
    "http-server": "^0.9.0",
    "jasmine-core": "~2.4.1",
    "karma": "^1.3.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-cli": "^1.0.1",
    "karma-jasmine": "^1.0.2",
    "karma-jasmine-html-reporter": "^0.2.2",
    "lite-server": "^2.2.2",
    "lodash": "^4.16.4",
    "protractor": "^4.0.14",
    "protractor-cucumber-framework": "^3.0.0",
    "rimraf": "^2.5.4",
    "ts-node": "^3.3.0",
    "tslint": "^3.15.1",
    "typescript": "~2.3.4",
    "webdriver-manager": "^12.0.6"
  },
  "repository": {}
}

还有我的dragrator.conf.json

var fs = require('fs');
var path = require('canonical-path');
var _ = require('lodash');


exports.config = {
  directConnect: true,

  // Capabilities to be passed to the webdriver instance.
  capabilities: {
    'browserName': 'chrome'
  },

    allScriptsTimeout:90000,
    getPageTimeout:400000,
    ignoreUncaughtExceptions: true,
    framework: 'custom',

    frameworkPath: require.resolve('protractor-cucumber-framework'),

    // Spec patterns are relative to this config file
  specs: ['**/cucumber_test/*.feature' ],

    cucumberOpts: {
        compiler: "ts:ts-node/register",
        require: ['**/*e2e-spec.js'],  // require step definition files before executing features
        tags: '@TypeScriptScenario,@dev,@AddScenario,@SubtractScenario,@MultiplyScenario,@DivideScenario,@ModulusScenario',                      // <string[]> (expression) only execute the features or scenarios with tags matching the expression
        strict: true,                  // <boolean> fail if there are any undefined or pending steps
        format: ["pretty"],            // <string[]> (type[:path]) specify the output format, optionally supply PATH to redirect formatter output (repeatable)
        dryRun: false,                 // <boolean> invoke formatters without executing steps
        'fail-fast': true
    },


  // For angular tests
  useAllAngular2AppRoots: true,

  // Base URL for application server
  baseUrl: 'http://localhost:3000',

  // doesn't seem to work.
  // resultJsonOutputFile: "foo.json",

  onPrepare: function() {
    //// SpecReporter
    //var SpecReporter = require('jasmine-spec-reporter');
    //jasmine.getEnv().addReporter(new SpecReporter({displayStacktrace: 'none'}));
    //// jasmine.getEnv().addReporter(new SpecReporter({displayStacktrace: 'all'}));

    // debugging
    // console.log('browser.params:' + JSON.stringify(browser.params));
    /*jasmine.getEnv().addReporter(new Reporter( browser.params )) ;*/

    // Allow changing bootstrap mode to NG1 for upgrade tests
    global.setProtractorToNg1Mode = function() {
      browser.useAllAngular2AppRoots = false;
      browser.rootEl = 'body';
    };
    //  browser.manage().window().maximize();
  },

  /*jasmineNodeOpts: {
    // defaultTimeoutInterval: 60000,
    defaultTimeoutInterval: 10000,
    showTiming: true,
    print: function() {}
  }*/
}

var fs=require（'fs'）；
var path=require（'canonical-path'）；
var=要求（'lodash'）；
exports.config={
directConnect：没错，
//要传递给webdriver实例的功能。
能力：{
'browserName'：'chrome'
},
所有脚本激励：90000，
getPageTimeout:400000，
ignoreUncaughtExceptions:true，
框架：“自定义”，
frameworkPath:require.resolve（'dragrator-cumber-framework'），
//规范模式与此配置文件相关
规格：['**/cumber\u test/*.feature']，
黄瓜：{
编译器：“ts:ts节点/寄存器”，
require:['***e2e-spec.js']，//在执行功能之前需要步骤定义文件
标记：'@TypeScriptScenario、@dev、@AddScenario、@SubtractScenario、@multilyscenario、@DivideScenario、@modulescenario'、//（表达式）仅使用与表达式匹配的标记执行功能或场景
strict:true，//如果有任何未定义或挂起的步骤，则失败
格式：[“pretty”]，/（键入[：path]）指定输出格式，可以选择提供重定向格式化程序输出的路径（可重复）
dryRun:false，//在不执行步骤的情况下调用格式化程序
“快速失败”：正确
},
//用于角度测试
使用Allangular2方法：正确，
//应用程序服务器的基本URL
baseUrl:'http://localhost:3000',
//似乎不起作用。
//resultJsonOutputFile:“foo.json”，
onPrepare:function（）{
////SpecReporter
//var SpecReporter=require（'jasmine-spec-reporter'）；
//jasmine.getEnv（）.addReporter（新的SpecReporter（{displayStacktrace:'none'}））；
////jasmine.getEnv（）.addReporter（新的SpecReporter（{displayStacktrace:'all'}））；
//调试
//log（'browser.params:'+JSON.stringify（browser.params））；
/*jasmine.getEnv（）.addReporter（newreporter（browser.params））*/
//允许将引导模式更改为NG1以进行升级测试
global.setGragrantOrtong1Mode=函数（）{
browser.useAllAngular2AppRoots=false；
browser.rootEl='body'；
};
//browser.manage（）.window（）.maximize（）；
},
/*茉莉花：{
//defaultTimeoutInterval:60000，
defaultTimeoutInterval:10000，
时间安排：没错，
打印：函数（）{}
}*/
}

将cucumber版本3降级为2，即可解决此问题