[英]Why SignalR is not loaded properly when my ASP.NET MVC application is published on IIS using bundle optimization?
似乎在使用帶有IIS的開發服務器上的SignalR運行我的應用程序時，我在JS控制台中收到以下錯誤（盡管在Debug中本地運行該應用程序完全可以）：
Uncaught Error: SignalR: SignalR is not loaded. Please ensure jquery.signalR-x.js is referenced before ~/signalr/js. at hubs:17 at hubs:106
第17行與以下內容有關：
if (typeof ($.signalR) !== "function") {
throw new Error("SignalR: SignalR is not loaded. Please ensure jquery.signalR-x.js is referenced before ~/signalr/js.");
}
第106行只是IIFE的結尾。
以下是BundleConfig類：
public class BundleConfig
{
public static void RegisterBundles(BundleCollection bundles)
{
var scriptBundle = new ScriptBundle("~/Scripts/bundle");
// jQuery
scriptBundle.Include("~/Scripts/jquery-3.1.1.min.js");
// Bootstrap
scriptBundle.Include("~/Scripts/bootstrap.min.js");
// Knockout
scriptBundle.Include("~/Scripts/knockout-{version}.js");
// SignalR
scriptBundle.Include("~/Scripts/jquery.signalR-{version}.js");
// Custom site scripts
scriptBundle.Include("~/Scripts/scripts.js");
scriptBundle.Include("~/Scripts/scripts-bootstrap.js");
scriptBundle.Include("~/Scripts/scripts-devextreme.js");
var styleBundle = new StyleBundle("~/Content/bundle");
// Bootstrap
styleBundle.Include("~/Content/bootstrap-telus-theme.min.css");
// Font Awesome
styleBundle.Include("~/Content/font-awesome.min.css");
// Custom site styles
styleBundle.Include("~/Content/Site.css");
styleBundle.Include("~/Content/Site-bootstrap-plus.css");
styleBundle.Include("~/Content/Site-devextreme-plus.css");
bundles.Add(scriptBundle);
bundles.Add(styleBundle);
#if !DEBUG
BundleTable.EnableOptimizations = true;
#endif
}
}
開發服務器上的文檔類型如下：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="description" content="">
<meta name="author" content="">
<title>Login</title>
<link rel="favicon" href="/Content/favicons/favicon.ico" />
<link rel="favicon" sizes="32x32" href="/Content/favicons/favicon-32.png" />
<link rel="favicon" sizes="128x128" href="/Content/favicons/favicon-128.png" />
<link rel="apple-touch-icon" href="/Content/favicons/apple-touch-icon.png" />
<link rel="apple-touch-icon" sizes="72x72" href="/Content/favicons/apple-touch-icon-72.png" />
<link rel="apple-touch-icon" sizes="114x114" href="/Content/favicons/apple-touch-icon-114.png" />
<link rel="apple-touch-icon" sizes="144x144" href="/Content/favicons/apple-touch-icon-144.png" />
<link href="/Content/bundle?v=KoFrSDNrdsCobjey_0WoDyRHewQDRrB1Ov9eEHg15EI1" rel="stylesheet"/>
<link href="/Content/DevExtremeBundle?v=dvjWkuzRNPhpuO8epzd1bapDA4VbH3NGrM9XfK6lfH41" rel="stylesheet"/>
<script src="/Scripts/bundle?v=bk8qAjn5FOZNS6DjmQ8qRN1l5sZzYFEHYS7tNOnf4vk1"></script>
<script src="/Scripts/DevExtremeBundle?v=EDbcZoJEzBcOEMDXw50S76TV4vRJy8nCjafsccwoAas1"></script>
<script src="/signalr/hubs" type="text/javascript"></script>
</head>
在本地調試中（因此不進行包優化）：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="description" content="">
<meta name="author" content="">
<title>Login</title>
<link rel="favicon" href="/Content/favicons/favicon.ico" />
<link rel="favicon" sizes="32x32" href="/Content/favicons/favicon-32.png" />
<link rel="favicon" sizes="128x128" href="/Content/favicons/favicon-128.png" />
<link rel="apple-touch-icon" href="/Content/favicons/apple-touch-icon.png" />
<link rel="apple-touch-icon" sizes="72x72" href="/Content/favicons/apple-touch-icon-72.png" />
<link rel="apple-touch-icon" sizes="114x114" href="/Content/favicons/apple-touch-icon-114.png" />
<link rel="apple-touch-icon" sizes="144x144" href="/Content/favicons/apple-touch-icon-144.png" />
<link href="/Content/bootstrap-telus-theme.min.css" rel="stylesheet"/>
<link href="/Content/font-awesome.min.css" rel="stylesheet"/>
<link href="/Content/Site.css" rel="stylesheet"/>
<link href="/Content/Site-bootstrap-plus.css" rel="stylesheet"/>
<link href="/Content/Site-devextreme-plus.css" rel="stylesheet"/>
<link href="/Content/dx.common.css" rel="stylesheet"/>
<link href="/Content/dx.telus.light.css" rel="stylesheet"/>
<script src="/Scripts/jquery-3.1.1.min.js"></script>
<script src="/Scripts/bootstrap.min.js"></script>
<script src="/Scripts/knockout-3.4.2.debug.js"></script>
<script src="/Scripts/jquery.signalR-2.2.2.js"></script>
<script src="/Scripts/scripts.js"></script>
<script src="/Scripts/scripts-bootstrap.js"></script>
<script src="/Scripts/scripts-devextreme.js"></script>
<script src="/Scripts/cldr.js"></script>
<script src="/Scripts/cldr/event.js"></script>
<script src="/Scripts/cldr/supplemental.js"></script>
<script src="/Scripts/cldr/unresolved.js"></script>
<script src="/Scripts/globalize.js"></script>
<script src="/Scripts/globalize/message.js"></script>
<script src="/Scripts/globalize/number.js"></script>
<script src="/Scripts/globalize/currency.js"></script>
<script src="/Scripts/globalize/date.js"></script>
<script src="/Scripts/jszip.js"></script>
<script src="/Scripts/dx.all.debug.js"></script>
<script src="/Scripts/aspnet/dx.aspnet.data.js"></script>
<script src="/Scripts/aspnet/dx.aspnet.mvc.js"></script>
<script src="/signalr/hubs" type="text/javascript"></script>
</head>
開發服務器上發布的內容沒有使用DEBUG常量運行，如果沒有它，我如何使它工作？ Imho BundleTable.EnableOptimizations = true; 線不應該弄亂我的signalR捆綁，但這仍然是我可以看到的唯一的區別。 但是，當在本地使用開發服務器配置運行時，即使啟用了優化捆綁包，它也可以工作...
發生此問題是因為捆綁包優化正在跳過最小文件。 而且您捆綁的JS沒有jQuery，這是SignalR必需的。
有關更多詳細信息，請檢查以下答案： 捆綁軟件不包括.min文件
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