IIS 500错误WCF服务和失败的请求跟踪失败信息

问题描述

限时删除！！

我有一个在Windows Server 2012 R2上运行IIS 8.5且集成了AppPool的WCF服务.

I have a WCF service running in IIS 8.5 on Windows Server 2012 R2 with AppPool Integrated.

我在服务器中打开url: http://localhost:50123/MyService.svc

I open url in the server: http://localhost:50123/MyService.svc

我有 HTTP 500内部服务器错误. (IExplorer无法显示该页面)

I have HTTP 500 Internal Server Error. (IExplorer cannot show the page)

我没有在事件日志IIS日志中找到问题.

I have not found the problem in Event logs, IIS Logs.

我执行以下步骤: https://peter.hahndorf.eu/blog/iislogging. html

Disable IE "Friendly HTTP error messages"

<customErrors mode="Off" />

<httpErrors errorMode="Detailed" />

<serviceMetadata httpGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="true"/>

我使用WCF跟踪，但未查看错误消息.

I use WCF tracing, but not view the error messsage.

<system.diagnostics>
    <sources>
      <source name="System.ServiceModel" propagateActivity="true" switchValue="All">
        <listeners>
          <add name="xmlTraceListener" />
        </listeners>
      </source>
      <source name="System.ServiceModel.MessageLogging" switchValue="All">
        <listeners>
          <add name="xmlTraceListener" />
        </listeners>
      </source>
      <source name="System.Net">
        <listeners>
          <add name="System.Net" />
        </listeners>
      </source>
      <source name="System.Net.HttpListener">
        <listeners>
          <add name="System.Net" />
        </listeners>
      </source>
      <source name="System.Net.Sockets">
        <listeners>
          <add name="System.Net" />
        </listeners>
      </source>
      <source name="System.Net.Cache">
        <listeners>
          <add name="System.Net" />
        </listeners>
      </source>
    </sources>
    <sharedListeners>
      <add name="xmlTraceListener" type="System.Diagnostics.XmlWriterTraceListener" initializeData="C:\Servitelco\Logs\IntegrationLabor\ServiceWcf.svclog" />
      <add name="System.Net" type="System.Diagnostics.TextWriterTraceListener" initializeData="C:\Servitelco\Logs\IntegrationLabor\SystemNet.trace.log" traceOutputOptions="DateTime" />
    </sharedListeners>
    <switches>
      <add name="System.Net" value="Verbose" />
      <add name="System.Net.Sockets" value="Verbose" />
      <add name="System.Net.Cache" value="Verbose" />
      <add name="System.Net.HttpListener" value="Verbose" />
    </switches>
  </system.diagnostics>


 <system.serviceModel>

        <diagnostics>
            <messageLogging logEntireMessage="true" logMalformedMessages="true" logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="true" maxSizeOfMessageToLog="26214445" />
        </diagnostics>

我为所有内容，详细的错误日志记录，400-600范围内的HTTP错误设置了"失败的请求跟踪".

I setup "Failed Request Tracing", for All content, verbose error logging, HTTP errors in range 400-600.

我从％systemdrive％\ inetpub \ logs \ FailedReqLogFiles \ W3SVC1

我仅查看 MODULE_SET_RESPONSE_ERROR_STATUS警告:

错误500:

并成功?

没有有关该错误的更多信息.

关于错误:

我有IDispatchMessageInspector和WCF检查器

I have and WCF Inspector with IDispatchMessageInspector

就像 https://patrickdesjardins.com/blog/wcf-inspector-for-记录

错误与属性logFileName="c:\log.txt"

如果路径存在，则一切正常.如果该路径不存在，则会出现Http 500错误.

If the path exists, all is OK.If the path NOT exists, I get Http 500 Error.

 <extensions>
            <behaviorExtensions>
                <add name="myLogBehavior"
                     type="MyServiceA.LogFileBehaviorExtensionElement, MyServiceA" />
            </behaviorExtensions>
        </extensions>


  <serviceBehaviors>
    <behavior>
      <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
      <serviceDebug includeExceptionDetailInFaults="true" />
      <MyLogFileBehavior logFileName="C:\Servitelco\Logsxxx\IntegrationLabor\log.txt" />
    </behavior>
  </serviceBehaviors>

<endpointBehaviors>
          <behavior name="behavior1">
              <myLogBehavior logFileName="c:\log.txt" />
          </behavior>
      </endpointBehaviors>

这意味着代码中存在未处理的异常.

This means there is an unhanded exception with in the code.

事件查看器，IIS日志，WCF跟踪，失败的请求跟踪未显示错误消息，为什么?如何获取完整的错误消息?操作系统无论如何都不会记录错误?

Event viewer, IIS Logs, WCF tracing, Failed Request Tracing not shown the error message, why? How get the full error message ? OS not logging the error in anyway ?

推荐答案

我遇到了同样的问题-500错误返回给客户端，没有事件日志错误，没有从Global.asax记录自定义错误，失败的请求跟踪显示MODULE_SET_RESPONSE_ERROR_STATUS警告ManagedPipelineHandler.

I had the same problem - 500 error returned to client, no event log error, no custom errors logged from Global.asax, Failed Request Tracing showed MODULE_SET_RESPONSE_ERROR_STATUS Warning for ManagedPipelineHandler.

通过在控制器的最高级别添加尝试/捕获"来解决...

Solved by adding a Try/Catch at the very highest level of my controller...

    <HttpPost>
    Public Function Main() As IHttpActionResult
    Try
       ... all logic here...
       Return ResponseMessage(New HttpResponseMessage(HttpStatusCode.OK))
    Catch Ex As Exception
       Errorcl.HandleException(err) 'internal logging of error
       Return ResponseMessage(New HttpResponseMessage(HttpStatusCode.InternalServerError))
    End Try

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