模块X的元数据版本不匹配中的错误发现版本4,预期3,解析符号Y.

Question

我正在尝试使用angular-cli(ng build)构建一个Angular 4应用程序并使用ngx-clipboard.几天前我突然开始收到以下错误,即使我的应用程序源代码没有改变:

ERROR in Metadata version mismatch for module
ngx-clipboard/dist/index.d.ts, found version 4, expected 3, resolving
symbol AppModule in ...

如果我恢复到过去工作的旧提交,它现在仍然以同样的方式失败.

我正在使用npm进行包管理.摘自我的package.json:

   "dependencies": {
     "@angular/animations": "4.0.0",
     "@angular/common": "4.0.0",
     "@angular/compiler": "4.0.0",
     "@angular/compiler-cli": "4.0.0",
     "@angular/core": "4.0.0",
     "@angular/forms": "4.0.0",
     "@angular/http": "4.0.0",
     "@angular/platform-browser": "4.0.0",
     "@angular/platform-browser-dynamic": "4.0.0",
     "@angular/platform-server": "4.0.0",
     "@angular/router": "4.0.0",
     "@types/highcharts": "^5.0.8",
     "angular2-busy": "^2.0.1",
     "bootstrap": "^3.3.6",
     "core-js": "^2.4.1",
     "element-resize-detector": "^1.1.11",
     "highcharts": "5.0.8",
     "jquery": "^1.11.3",
     "moment": "^2.10",
     "ng2-dragula": "^1.5.0",
     "ng2-tooltip": "0.0.7",
     "ngx-bootstrap": "^1.8.1",
     "ngx-clipboard": "^8.0.2",
     "ngx-clipboard": "~8.0.2",
     "ngx-popover": "0.0.16",
     "primeng": "4.1.0",
     "rxjs": "~5.0.3",
     "ts-helpers": "^1.1.2",
     "zone.js": "^0.8.4",
     "ngx-infinite-scroll": "^0.5.2",
     "ng-circle-progress": "0.9.6",
     "@ngx-translate/core": "^7.1.0"
   },
   "devDependencies": {
     "@angular/cli": "1.0.0",
     "@types/jasmine": "2.5.52",
     "codelyzer": "~3.0.1",
     "frisby": "~0.8.5",
     "jasmine-core": "2.6.3",
     "jasmine-reporters": "^2.2.1",
     "jasmine-spec-reporter": "4.1.0",
     "karma": "1.7.0",
     "karma-cli": "^1.0.1",
     "karma-jasmine": "^1.1.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-remap-istanbul": "^0.6.0",
     "protractor": "~5.2.0",
     "protractor-jasmine2-screenshot-reporter": "^0.5.0",
     "stylelint": "^7.11.0",
     "stylelint-config-standard": "^16.0.0",
     "ts-node": "3.3.0",
     "tslint": "~5.4.3",
     "typescript": "~2.3.4"
   }

Answer 1

请注意,依赖项"ngx-clipboard": "^8.0.2"现在解析为v8.1.2,这是最近的升级,其时序与构建错误匹配.检查它与之前版本的ngx-clipboard之间的差异,它们包括对Angular 5的升级.

事实证明,构建错误消息表明角度兼容性问题.ngx-clipboard需要Angular 5+,但从package.json可以看出,目前提供了Angular 4.如果将ngx-clipboard依赖关系版本说明符降级为8.1.1或者~8.0.2构建再次传递.如果你改为升级到Angular 5,那么构建也应该通过.

一般解决方案

症状

这是一个适用于构建错误的一般模式ERROR in Metadata version mismatch for module <X> found version 4, expected 3, resolving symbol <Y>从angular-cli.

解析度

升级到Angular 5或将依赖项(现在取决于Angular 5)降级到与Angular 4兼容的先前版本.

资源

这个解决方案帮助我找出了问题:

• https://github.com/angular/material2/issues/8229

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