Question

请帮忙。

我们有一个WCF Web服务，它接受来自iOS的JSON调用。偶尔，我们会收到400 Bad Request错误。在搜索到这个错误之后，我能找到的唯一解决方案就是达到了大小限制，但是我们的调用非常小（比如小50个字符）。这种情况不是每次都会发生，通常每天只发生40-50次，但这足以引起一些重大问题。我们打开了请求跟踪，但XML没有给我们提供太多信息来调查。有谁知道是什么原因引起的？附件是请求日志文件之一。

提前致谢。

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 <System>
  <Provider Name="WWW Server" Guid="{3A2A4E84-4C21-4981-AE10-3FDA0D9B0F83}"/>
  <EventID>0</EventID>
  <Version>1</Version>
  <Level>4</Level>
  <Opcode>38</Opcode>
  <Keywords>0x0</Keywords>
  <TimeCreated SystemTime="2016-01-14T13:46:41.851Z"/>
  <Correlation ActivityID="{00000000-0000-0000-A516-018000000058}"/>
  <Execution ProcessID="16572" ThreadID="17048"/>
  <Computer>DED2768</Computer>
 </System>
 <EventData>
  <Data Name="ContextId">{00000000-0000-0000-A516-018000000058}</Data>
  <Data Name="BytesReceived">50</Data>
  <Data Name="ErrorCode">0</Data>
 </EventData>
 <RenderingInfo Culture="en-US">
  <Opcode>GENERAL_READ_ENTITY_END</Opcode>
  <freb:Description Data="ErrorCode">The operation completed successfully.
 (0x0)</freb:Description>
 </RenderingInfo>
 <ExtendedTracingInfo xmlns="http://schemas.microsoft.com/win/2004/08/events/trace">
  <EventGuid>{D42CF7EF-DE92-473E-8B6C-621EA663113A}</EventGuid>
 </ExtendedTracingInfo>
</Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 <System>
  <Provider Name="WWW Server" Guid="{3A2A4E84-4C21-4981-AE10-3FDA0D9B0F83}"/>
  <EventID>0</EventID>
  <Version>1</Version>
  <Level>5</Level>
  <Opcode>51</Opcode>
  <Keywords>0x0</Keywords>
  <TimeCreated SystemTime="2016-01-14T13:46:41.851Z"/>
  <Correlation ActivityID="{00000000-0000-0000-A516-018000000058}"/>
  <Execution ProcessID="16572" ThreadID="17048"/>
  <Computer>DED2768</Computer>
 </System>
 <EventData>
  <Data Name="ContextId">{00000000-0000-0000-A516-018000000058}</Data>
  <Data Name="Buffer">{&quot;hub&quot;:&quot;(null)&quot;, &quot;co&quot;:&quot;OCALFLXA&quot;, &quot;eci&quot;:&quot;CNUCAJP&quot;}</Data>
 </EventData>
 <RenderingInfo Culture="en-US">
  <Opcode>GENERAL_REQUEST_ENTITY</Opcode>
 </RenderingInfo>
 <ExtendedTracingInfo xmlns="http://schemas.microsoft.com/win/2004/08/events/trace">
  <EventGuid>{D42CF7EF-DE92-473E-8B6C-621EA663113A}</EventGuid>
 </ExtendedTracingInfo>
</Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 <System>
  <Provider Name="ASPNET" Guid="{AFF081FE-0247-4275-9C4E-021F3DC1DA35}"/>
  <EventID>0</EventID>
  <Version>0</Version>
  <Level>5</Level>
  <Opcode>11</Opcode>
  <Keywords>0x2</Keywords>
  <TimeCreated SystemTime="2016-01-14T13:47:10.228Z"/>
  <Correlation ActivityID="{00000000-0000-0000-A516-018000000058}"/>
  <Execution ProcessID="16572" ThreadID="17048"/>
  <Computer>DED2768</Computer>
 </System>
 <EventData>
  <Data Name="ConnID">0</Data>
  <Data Name="Context ID">{00000000-0000-0000-A516-018000000058}</Data>
  <Data Name="Data1">System.ServiceModel.Activation.HttpModule</Data>
 </EventData>
 <RenderingInfo Culture="en-US">
  <Opcode>AspNetPipelineLeave</Opcode>
  <Keywords>
   <Keyword>Module</Keyword>
  </Keywords>
 </RenderingInfo>
 <ExtendedTracingInfo xmlns="http://schemas.microsoft.com/win/2004/08/events/trace">
  <EventGuid>{06A01367-79D3-4594-8EB3-C721603C4679}</EventGuid>
 </ExtendedTracingInfo>
</Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 <System>
  <Provider Name="WWW Server" Guid="{3A2A4E84-4C21-4981-AE10-3FDA0D9B0F83}"/>
  <EventID>0</EventID>
  <Version>1</Version>
  <Level>3</Level>
  <Opcode>16</Opcode>
  <Keywords>0x100</Keywords>
  <TimeCreated SystemTime="2016-01-14T13:47:10.228Z"/>
  <Correlation ActivityID="{00000000-0000-0000-A516-018000000058}"/>
  <Execution ProcessID="16572" ThreadID="17048"/>
  <Computer>DED2768</Computer>
 </System>
 <EventData>
  <Data Name="ContextId">{00000000-0000-0000-A516-018000000058}</Data>
  <Data Name="ModuleName">ServiceModel</Data>
  <Data Name="Notification">2</Data>
  <Data Name="HttpStatus">400</Data>
  <Data Name="HttpReason">Bad Request</Data>
  <Data Name="HttpSubStatus">0</Data>
  <Data Name="ErrorCode">0</Data>
  <Data Name="ConfigExceptionInfo"></Data>
 </EventData>
 <RenderingInfo Culture="en-US">
  <Opcode>MODULE_SET_RESPONSE_ERROR_STATUS</Opcode>
  <Keywords>
   <Keyword>RequestNotifications</Keyword>
  </Keywords>
  <freb:Description Data="Notification">AUTHENTICATE_REQUEST</freb:Description>
  <freb:Description Data="ErrorCode">The operation completed successfully.
 (0x0)</freb:Description>
 </RenderingInfo>
 <ExtendedTracingInfo xmlns="http://schemas.microsoft.com/win/2004/08/events/trace">
  <EventGuid>{002E91E3-E7AE-44AB-8E07-99230FFA6ADE}</EventGuid>
 </ExtendedTracingInfo>
</Event>

iis wcf authenticate_request错误请求

0 个答案: