我正在使用新的signalR.HubConnectionBuilder（）。withUrl（url）.build（）来开发React和实现 @ aspnet / signalr 的asp.net core 2.1。在开发中，当我向iis发布它的显示错误时，它的工作正常。
错误：
处理请求时发生未处理的异常。 NodeInvocationException：由于错误而导致预呈现失败：错误： 找不到模块“请求”需要堆栈： -C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js -C：\ Windows \ TEMP \ vo3ipy1u.zpp -Function.Module._resolveFilename处的C：\ Windows \ TEMP \ esrxoqv2.k4x（Function.Module._load中的内部/模块/cjs/loader.js:797:15） （internal / modules / cjs / loader.js：690：27）在Module.require （internal / modules / cjs / loader.js：852：19）在require （内部/模块/cjs/helpers.js:74:18）。 （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：62764：21）在 webpack_require （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：20：30） 目的。 （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：36581：24）在 webpack_require （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：20：30） 目的。 （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：63291：27）在 webpack_require （C：\ inetpub \ wwwroot \ portal \ ClientApp \ dist \ main-server.js：20：30） 当前目录是：C：\ inetpub \ wwwroot \ portal Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance.InvokeExportAsync（NodeInvocationInfo invocationInfo，CancellationToken cancelToken）
package.json
{
"name": "portal",
"private": true,
"version": "0.0.0",
"devDependencies": {
"@types/bootstrap": "^4.1.0",
"@types/history": "4.6.2",
"@types/i18next-browser-languagedetector": "^2.0.1",
"@types/immutability-helper": "^2.6.3",
"@types/react": "^16.8.10",
"@types/react-dom": "16.0.5",
"@types/react-hot-loader": "3.0.3",
"@types/react-redux": "5.0.15",
"@types/react-router": "4.0.23",
"@types/react-router-dom": "^4.2.6",
"@types/react-router-redux": "5.0.12",
"@types/react-select": "^1.2.7",
"@types/react-toggle": "^4.0.1",
"@types/reactstrap": "5.0.20",
"@types/webpack": "2.2.15",
"@types/webpack-env": "1.13.0",
"aspnet-prerendering": "^3.0.1",
"aspnet-webpack": "^2.0.3",
"aspnet-webpack-react": "^3.0.0",
"awesome-typescript-loader": "3.2.1",
"bootstrap": "^4.1.1",
"bxslider": "4.2.11",
"core-js": "^2.5.7",
"css-loader": "0.28.4",
"datatables.net-bs4": "^1.10.16",
"domain-task": "^3.0.3",
"event-source-polyfill": "0.0.9",
"extract-text-webpack-plugin": "2.1.2",
"file-loader": "0.11.2",
"flot": "0.8.0-alpha",
"font-awesome": "4.7.0",
"fullcalendar": "3.4.0",
"gmaps": "0.4.24",
"history": "4.6.3",
"immutability-helper": "^2.7.0",
"ionicons": "2.0.1",
"jquery": "3.2.1",
"moment": "^2.22.2",
"morris.js": "0.5.0",
"node-noop": "1.0.0",
"node-sass": "^4.13.1",
"prop-types": "^15.6.1",
"query-string": "6.1.0",
"raphael": "2.2.7",
"react": "^16.6.1",
"react-dom": "^16.6.1",
"react-hot-loader": "3.0.0-beta.7",
"react-redux": "5.0.7",
"react-router": "^4.3.1",
"react-router-dom": "^4.3.1",
"react-router-redux": "^5.0.0-alpha.9",
"reactstrap": "^5.0.0",
"redux": "3.7.1",
"redux-thunk": "2.2.0",
"sass-loader": "^6.0.7",
"slippry": "1.4.0",
"style-loader": "0.18.2",
"summernote": "^0.8.10",
"tslint": "^5.11.0",
"tslint-config-prettier": "^1.15.0",
"tslint-config-standard": "^8.0.1",
"tslint-react": "^3.6.0",
"twitter-bootstrap-wizard": "1.2.0",
"typescript": "2.8.1",
"url-loader": "0.5.9",
"webpack": "^2.7.0",
"webpack-hot-middleware": "2.18.2",
"webpack-merge": "4.1.0"
},
"dependencies": {
"@aspnet/signalr": "^1.1.4",
"@devexpress/dx-react-core": "^1.2.0",
"@devexpress/dx-react-grid": "^1.2.0",
"@devexpress/dx-react-grid-bootstrap4": "^1.2.0",
"@types/chart.js": "^2.7.42",
"@types/i18next": "^12.1.0",
"@types/jsoneditor": "^5.19.0",
"@types/query-string": "^6.1.0",
"@types/react-autocomplete": "^1.8.4",
"@types/react-beautiful-dnd": "^10.0.3",
"@types/react-color": "^3.0.0",
"@types/react-copy-to-clipboard": "^4.2.6",
"@types/react-flags-select": "^1.1.2",
"@types/react-redux-toastr": "^7.0.11",
"@types/reactcss": "^1.2.3",
"babel-polyfill": "^6.26.0",
"chart.js": "^2.7.3",
"devextreme": "^18.2.5",
"devextreme-react": "^18.2.5",
"es6-promise": "^4.2.4",
"i18next": "^12.1.0",
"i18next-browser-languagedetector": "^2.2.4",
"isomorphic-fetch": "^2.2.1",
"jsoneditor": "^5.26.2",
"moment-timezone": "^0.5.17",
"popper.js": "^1.14.3",
"react-autocomplete": "^1.8.1",
"react-beautiful-dnd": "^10.0.4",
"react-chartjs-2": "^2.7.4",
"react-color": "^2.17.2",
"react-copy-to-clipboard": "^5.0.1",
"react-dnd": "^7.0.2",
"react-dnd-html5-backend": "^7.0.2",
"react-event-timeline": "^1.6.3",
"react-i18next": "^9.0.2",
"react-json-editor-ajrm": "^2.5.8",
"react-loading-overlay": "^1.0.1",
"react-moment": "^0.7.6",
"react-redux-toastr": "^7.2.6",
"react-select": "^1.2.1",
"react-sortable-hoc": "^1.7.1",
"react-spinners": "^0.6.1",
"react-toggle": "^4.0.2",
"react-transition-group": "^2.3.1",
"redbox-react": "^1.6.0"
} }