WCF Restful Web Service端点已公开，但方法都返回未找到的http 404 c＃
我已经编写了我的第一个Web服务，当我在本地开发机器上从visual studio测试运行时，一切都按预期工作。我去了客户端部署服务，发现在部署之后我可以到达端点但是我的所有方法都返回找不到HTTP 404。
Web Service使用WCF在Visual Studio中编写，并设置为返回Json。 Web服务的目标是.Net framework 4.5。该站点配置为HTTPS协议，并具有有效的SSL证书。我已使用最新版本的.Net framework 4.5更新了服务器，并相应地将应用程序池应用到站点。
当我从外部浏览器转到客户端服务器上的端点位置时（我修改了屏幕截图并链接以删除真实域名）：
链接如下所示：
https://www.somedomain.co.uk/WorksWebService/WorksWebService.svc
我得到显示Web服务链接到WSDL和SingleWSDL页面的页面，它们正确显示了端点方法和各种其他配置信息。
在我看来，一切都如预期的那样，并且我不确定在哪里寻找问题。
现在我不确定Web.config文件的要求是什么。下面是Web Service的当前Web.config文件。可能是我在这里缺少关于服务部署的重要信息，但想知道为什么服务在Visual Studio中成功运行的情况呢？唯一不同的是，从visual studio我使用http而不是https运行服务。
<?xml version="1.0"?>
<configuration>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
</appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5"/>
</system.web>
<connectionStrings>
<add name="BAXISQL"
connectionString="Database=SomeDatabase;Server=SomeServer;User ID=user;Password=password"
providerName="System.Data.SqlClient"
/>
</connectionStrings>
<system.serviceModel>
<services>
<service name="WorksWebService.WorksWebService">
<endpoint address="" behaviorConfiguration="restful" binding="webHttpBinding"
contract="WorksWebService.IWorksWebService" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior>
<!-- To avoid disclosing metadata information, set the values below to false before deployment -->
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
<!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information -->
<serviceDebug includeExceptionDetailInFaults="false"/>
</behavior>
</serviceBehaviors>
<endpointBehaviors>
<behavior name="restful">
<webHttp/>
</behavior>
</endpointBehaviors>
</behaviors>
<protocolMapping>
<add binding="basicHttpsBinding" scheme="https" />
</protocolMapping>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true"/>
<!--
To browse web app root directory during debugging, set the value below to true.
Set to false before deployment to avoid disclosing web app folder information.
-->
<directoryBrowse enabled="true"/>
</system.webServer>
<startup>
<supportedRuntime version="4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
</configuration>
我想我的问题来自Web.config文件或来自我的服务接口和方法声明中的一些缺少的Meta数据。
以下代码显示了我的界面（仅修改为包含单个方法）：
using System.IO;
using System.ServiceModel;
using System.Web.Services;
namespace WorksWebService
{
[ServiceContract]
interface IWorksWebService
{
[OperationContract]
[WebMethod]
string GetTrainingStatus(string urn, string pastdays, string futuredays);
}
}
以下是WebService.svc.cs文件中的相应方法调用（也修改为仅显示单个方法）：
using System;
using System.Collections.Generic;
using System.Collections;
using System.Data.SqlClient;
using System.Net;
using System.ServiceModel.Web;
using System.Web;
using Newtonsoft.Json;
using System.Runtime.Serialization;
using System.IO;
using System.ServiceModel;
using System.Text;
using Newtonsoft.Json.Linq;
namespace WorksWebService
{
public class WorksWebService: IWorksWebService
{
// key that all methods must receive in the header to validate that the request is from a valid source
private string baxiSMSKey = "C5A75B32-5BC9-4D89-AB78-F8FE0CF58806";
//BAXI_SMS_KEY: C5A75B32-5BC9-4D89-AB78-F8FE0CF58806
#region TrainingStatus
// test url string
// WorksWebService.svc/rest/member/C211292/trainingstatus?country=GB
/// <summary>
/// Method to find the training status dates for a specific Customer
/// </summary>
/// <param name="urn"></param>
/// <param name="country"></param>
/// <returns>Last valid training status date or future date the customer will be attending training</returns>
[WebInvoke(Method = "GET", ResponseFormat = WebMessageFormat.Json
, UriTemplate = "rest/member/{urn}/trainingstatus?pastdays={pastdays}&futuredays={futuredays}")]
public string GetTrainingStatus(string urn, string pastdays, string futuredays)
{
string dateString = string.Empty;
WebOperationContext context = WebOperationContext.Current;
// check the headers for the BAXI_SMS_KEY
if (CheckAPIKey())
{
// validate the url parameters
if (ValidateURLStringParameters_GetTrainingStatus(urn, pastdays, futuredays))
{
// find the training status
dateString = GetTrainingDate(urn, pastdays, futuredays);
if (dateString.Contains("Error: "))
context.OutgoingResponse.StatusCode = HttpStatusCode.InternalServerError; // HTTP Code 500
else if (dateString.Equals(string.Empty))
context.OutgoingResponse.StatusCode = HttpStatusCode.NotFound; // HTTP Code 404
else
context.OutgoingResponse.StatusCode = HttpStatusCode.OK; // HTTP Code 200
}
else
context.OutgoingResponse.StatusCode = HttpStatusCode.BadRequest; // HTTP Code 400
}
else
context.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden; // HTTP Code 403
return dateString;
}
/// <summary>
/// method to validate the parameters for GetTrainingStatus Web method
/// </summary>
/// <param name="urn"></param>
/// <param name="pastdays"></param>
/// <param name="futuredays"></param>
/// <returns>True or False</returns>
private bool ValidateURLStringParameters_GetTrainingStatus(string urn, string pastdays, string futuredays)
{
if (string.IsNullOrWhiteSpace(urn))
return false;
if (string.IsNullOrWhiteSpace(pastdays))
return false;
if (string.IsNullOrWhiteSpace(futuredays))
return false;
try
{
Convert.ToInt32(pastdays);
Convert.ToInt32(futuredays);
}
catch (Exception e)
{
return false;
}
return true;
}
/// <summary>
/// Method to find the training status of the member
/// </summary>
/// <param name="urn"></param>
/// <returns>the date of the users training past of future</returns>
private string GetTrainingDate(string urn, string pastdays, string futuredays)
{
string dateSt = string.Empty;
try
{
// first search against customers
var connection = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["BAXISQL"].ConnectionString);
connection.Open();
var sqlCommand = connection.CreateCommand();
sqlCommand.CommandText = "SELECT dbo.WORKS_GetTrainingDate_fn(@URN, @Past, @Future)";
sqlCommand.Parameters.AddWithValue("@URN", urn);
sqlCommand.Parameters.AddWithValue("@Past", pastdays);
sqlCommand.Parameters.AddWithValue("@Future", futuredays);
string date = sqlCommand.ExecuteScalar().ToString();
connection.Close();
if (!string.IsNullOrWhiteSpace(date))
{
string[] parts = date.ToString().Split('/');
dateSt = parts[2] + parts[1] + parts[0];
}
}
catch (Exception e)
{
dateSt = "Error: " + e.Message + "<br />Source: " + e.Source + "<br />Stacktrace: " + e.StackTrace;
}
return dateSt;
}
#endregion
#region Private Methods
/// <summary>
/// Method to determine if the API key has been passed in succesfully
/// </summary>
/// <returns>true or false</returns>
private bool CheckAPIKey()
{
bool matchedKey = false;
IncomingWebRequestContext request = WebOperationContext.Current.IncomingRequest;
WebHeaderCollection headers = request.Headers;
System.Diagnostics.Debug.Write("\r\n-------------------------------------------------------");
System.Diagnostics.Debug.Write("\r\n" + request.Method + " " + request.UriTemplateMatch.RequestUri.AbsolutePath);
foreach (string headerName in headers.AllKeys)
{
System.Diagnostics.Debug.Write("\r\n" + headerName + ": " + headers[headerName]);
if (headerName.Equals("BAXI_SMS_KEY"))
{
if (baxiSMSKey.ToString().ToUpper().Equals(headers[headerName]))
{
matchedKey = true;
}
}
}
System.Diagnostics.Debug.Write("\r\n-------------------------------------------------------");
return matchedKey;
}
#endregion
}
}
当我尝试使用Fiddler和浏览器访问Service Mthods时，会发生这404条消息。在允许构建Web Portal的第三方作为Web服务的客户端进行访问之前，我想证明这些方法是否正常工作。
非常感谢任何意见或建议。
提前感谢Iain
1 个答案:
答案 0 :(得分：2)
经过与我的一些同事的一些搜索和讨论后，我找到了解决方案。我怀疑我的web.config文件中有一些缺失的部分。
我没有为http和https包含端点语句。
<bindings>
<webHttpBinding>
<binding name="HttpBinding">
<security mode="None">
<transport clientCredentialType="None"/>
</security>
</binding>
<binding name="HttpsBinding">
<security mode="Transport">
<transport clientCredentialType="None"/>
</security>
</binding>
</webHttpBinding>
</bindings>
我也错过了定义安全性和所需凭据类型所需的相关绑定部分。
<?xml version="1.0"?>
<configuration>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
</appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5"/>
</system.web>
<connectionStrings>
<add name="BAXISQL" connectionString="Database=SomeDatabase;Server=SomeServer;User ID=User;Password=Password" providerName="System.Data.SqlClient" />
</connectionStrings>
<system.serviceModel>
<services>
<service name="WorksWebService.WorksWebService">
<endpoint address="" behaviorConfiguration="restful" binding="webHttpBinding" bindingConfiguration="HttpBinding"
contract="WorksWebService.IWorksWebService" />
<endpoint address="" behaviorConfiguration="restful" binding="webHttpBinding" bindingConfiguration="HttpsBinding"
contract="WorksWebService.IWorksWebService" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior>
<!-- To avoid disclosing metadata information, set the values below to false before deployment -->
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
<!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information -->
<serviceDebug includeExceptionDetailInFaults="true"/>
</behavior>
</serviceBehaviors>
<endpointBehaviors>
<behavior name="restful">
<webHttp/>
</behavior>
</endpointBehaviors>
</behaviors>
<protocolMapping>
<add binding="basicHttpsBinding" scheme="https" />
</protocolMapping>
<bindings>
<webHttpBinding>
<binding name="HttpBinding">
<security mode="None">
<transport clientCredentialType="None"/>
</security>
</binding>
<binding name="HttpsBinding">
<security mode="Transport">
<transport clientCredentialType="None"/>
</security>
</binding>
</webHttpBinding>
</bindings>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true"/>
<!--
To browse web app root directory during debugging, set the value below to true.
Set to false before deployment to avoid disclosing web app folder information.
-->
<directoryBrowse enabled="true"/>
</system.webServer>
<startup>
<supportedRuntime version="4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
</configuration>
所以现在我的web.config文件完整地看起来像这样：
$(function(){
$('#iframe').load(function(){
var iframe = $('#iframe').contents();
iframe.find("#btnSubmit").click(function(){
alert("test");
});
});
});
我希望这有助于其他有类似问题的人。
此致
Comic Coder
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