c# - 无法建立连接，因为目标计算机主动拒绝它127.0.0.1:27681

我的项目是使用visual studio 2015（.Net framework：4）开发的Asp.Net网站。

它是一个WebApi和MVC二合一项目，并且在我的开发机器上运行良好。但是在另一台笔记本电脑和smarterASP免费托管上发布后，我在有数据库调用的页面上收到此错误（实体框架6）

无法建立连接，因为目标计算机主动拒绝了它127.0.0.1:27681

在执行当前Web请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪来识别有关异常的起源和位置的信息。

[SocketException（0x274d）：无法建立连接，因为目标计算机主动拒绝它127.0.0.1:27681]          System.Net.Sockets.Socket.EndConnect（IAsyncResult asyncResult）+6769080          System.Net.ServicePoint.ConnectSocketInternal（Boolean connectFailure，Socket s4，Socket s6，Socket＆amp; socket，IPAddress＆amp; address，ConnectSocketState state，IAsyncResult asyncResult，Exception＆amp; exception）+249

[WebException：无法连接到远程服务器]          System.Net.HttpWebRequest.EndGetResponse（IAsyncResult asyncResult）+606          System.Net.Http.HttpClientHandler.GetResponseCallback（IAsyncResult ar）+64

[HttpRequestException：发送请求时发生错误。]          System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务任务）+99          System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）+58          Lewisham.Controllers.d__1.MoveNext（）+293          System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务任务）+99          System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务）+58          System.Web.Mvc.Async.TaskAsyncActionDescriptor.EndExecute（IAsyncResult asyncResult）+97          System.Web.Mvc.Async。＆lt;＆gt; c__DisplayClass37.b__36（IAsyncResult asyncResult）+17          System.Web.Mvc.Async.WrappedAsyncResult1.CallEndDelegate（IAsyncResult asyncResult）+10          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod（IAsyncResult asyncResult）+32          System.Web.Mvc.Async.AsyncInvocationWithFilters.b__3d（）+50          System.Web.Mvc.Async。＆lt;＆gt; c__DisplayClass46.b__3f（）+225          System.Web.Mvc.Async。＆lt;＆gt; c__DisplayClass33.b__32（IAsyncResult asyncResult）+10          System.Web.Mvc.Async.WrappedAsyncResult1.CallEndDelegate（IAsyncResult asyncResult）+10          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters（IAsyncResult asyncResult）+34          System.Web.Mvc.Async。＆lt;＆gt; c__DisplayClass2b.b__1c（）+26          System.Web.Mvc.Async。＆lt;＆gt; c__DisplayClass21.b__1e（IAsyncResult asyncResult）+100          System.Web.Mvc.Async.WrappedAsyncResult1.CallEndDelegate（IAsyncResult asyncResult）+10          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction（IAsyncResult asyncResult）+27          System.Web.Mvc.Controller.b__1d（IAsyncResult asyncResult，ExecuteCoreState innerState）+13          System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate（IAsyncResult asyncResult）+29          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.Controller.EndExecuteCore（IAsyncResult asyncResult）+36          System.Web.Mvc.Controller.b__15（IAsyncResult asyncResult，Controller controller）+12          System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate（IAsyncResult asyncResult）+22          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.Controller.EndExecute（IAsyncResult asyncResult）+26          System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute（IAsyncResult asyncResult）+10          System.Web.Mvc.MvcHandler.b__5（IAsyncResult asyncResult，ProcessRequestState innerState）+21          System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate（IAsyncResult asyncResult）+29          System.Web.Mvc.Async.WrappedAsyncResultBase1.End（）+49          System.Web.Mvc.MvcHandler.EndProcessRequest（IAsyncResult asyncResult）+28          System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest（IAsyncResult result）+9          System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion（IAsyncResult ar）+129

当我在本地运行站点时，数据库连接指向远程数据库，它正常工作。

无法建立连接，因为目标计算机主动拒绝它127.0.0.1:27681

1 个答案: