Angular 4.4.0-4.4.2生产版本抛出“没有提供程序给NgForm！".错误 [英] Angular 4.4.0-4.4.2 production build throwing "No provider for NgForm!" error

问题描述

我得到

没有e提供商！"

"No Provider for e!"

在生产模式下运行Angular应用程序时出现

错误.在开发模式下，它工作正常. 我收到以下错误消息:

error when running my Angular application in production mode. On development mode it is working fine. I am getting following error:

我尝试过ng build -aot现在出现错误

错误:没有NgForm的提供者！"

"Error: No provider for NgForm!"

有人知道如何解决吗?

以下是我正在使用的package.json文件:

Following is the package.json file I am using:

{
  "name": "app-web",
  "version": "0.0.0",
  "license": "MIT",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "hmr": "ng serve --hmr -e=hmr",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^4.2.4",
    "@angular/common": "^4.2.4",
    "@angular/compiler": "^4.2.4",
    "@angular/core": "^4.2.4",
    "@angular/forms": "^4.2.4",
    "@angular/http": "^4.2.4",
    "@angular/platform-browser": "^4.2.4",
    "@angular/platform-browser-dynamic": "^4.2.4",
    "@angular/router": "^4.2.4",
    "@types/bootstrap-datepicker": "0.0.10",
    "@types/d3": "^4.10.0",
    "@types/jquery": "^3.2.11",
    "bootstrap": "^3.3.7",
    "bootstrap-datepicker": "^1.7.1",
    "core-js": "^2.4.1",
    "d3": "^4.10.2",
    "file-saver": "^1.3.3",
    "jquery": "^3.2.1",
    "moment": "^2.18.1",
    "ng-bootstrap-form-validation": "^1.0.3",
    "ng2-ckeditor": "^1.1.9",
    "ngx-bootstrap": "^1.8.1",
    "ngx-malihu-scrollbar": "^1.2.1",
    "rxjs": "^5.4.2",
    "zone.js": "^0.8.14"
  },
  "devDependencies": {
    "@angular/cli": "1.3.0",
    "@angular/compiler-cli": "^4.2.4",
    "@angular/language-service": "^4.2.4",
    "@angularclass/hmr": "^2.1.3",
    "@types/jasmine": "~2.5.53",
    "@types/jasminewd2": "~2.0.2",
    "@types/node": "~6.0.60",
    "codelyzer": "~3.1.1",
    "jasmine-core": "~2.6.2",
    "jasmine-spec-reporter": "~4.1.0",
    "karma": "~1.7.0",
    "karma-chrome-launcher": "~2.1.1",
    "karma-cli": "~1.0.1",
    "karma-coverage-istanbul-reporter": "^1.2.1",
    "karma-jasmine": "~1.1.0",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "~5.1.2",
    "ts-node": "~3.2.0",
    "tslint": "~5.3.2",
    "typescript": "~2.3.3"
  }
}

推荐答案

更新:

Angular v4.4.3应该可以解决此问题

Angular v4.4.3 should fix the issue

以前的版本:

我假设您使用的是angular 4.x版本.

I assume you're using angular 4.x version.

这是已知问题.等待直到新的角度版本发布或将角度版本设置为4.3.6

It's known issue. Wait till new angular version is published or set angular version to 4.3.6

另请参见

• https://github.com/angular/angular/issues/19219

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