maxItemsInObjectGraph被忽略

Question

我有一个WCF服务的问题,它试图序列化太多的数据.从跟踪中我得到一个错误,该错误表示可以序列化或反序列化的元素的最大数量是'65536',尝试增加MaxItemsInObjectGraph配额.

所以我去修改了这个值,但它被忽略了(错误是相同的,具有相同的数字).这一切都是服务器端的.我暂时通过wget调用该服务.

我的网络配置是这样的:

<system.serviceModel>  
  <behaviors>
   <serviceBehaviors>
    <behavior name="AlgoMap.Web.MapService.MapServiceBehavior">
       <dataContractSerializer maxItemsInObjectGraph="131072" />
       <serviceMetadata httpGetEnabled="true" />
       <serviceDebug includeExceptionDetailInFaults="false" />
    </behavior>
   </serviceBehaviors>
  </behaviors>
  <bindings>
   <customBinding>
    <binding name="customBinding0" closeTimeout="00:02:00" openTimeout="00:02:00" receiveTimeout="00:02:00">
      <binaryMessageEncoding>
        <readerQuotas maxDepth="64" maxStringContentLength="16384"
                                maxArrayLength="16384" maxBytesPerRead="16384"
                                maxNameTableCharCount="16384" />
      </binaryMessageEncoding>
      <httpTransport />
    </binding>
   </customBinding>
  </bindings>
  <serviceHostingEnvironment aspNetCompatibilityEnabled="true" />
  <services>
   <service behaviorConfiguration="AlgoMap.Web.MapService.MapServiceBehavior"
    name="AlgoMap.Web.MapService.MapService">
    <endpoint address="" binding="customBinding" bindingConfiguration="customBinding0"
     contract="AlgoMap.Web.MapService.MapService" />
    <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
   </service>
  </services>
 </system.serviceModel>

---

---

---

版本2,不工作:

 <system.serviceModel>  
  <behaviors>

    <endpointBehaviors>
      <behavior name="AlgoMap.Web.MapService.MapServiceEndpointBehavior">
         <dataContractSerializer maxItemsInObjectGraph="131072" />
      </behavior>
    </endpointBehaviors>

   <serviceBehaviors>
    <behavior name="AlgoMap.Web.MapService.MapServiceBehavior">
       <serviceMetadata httpGetEnabled="true" />
       <serviceDebug includeExceptionDetailInFaults="false" />
    </behavior>
   </serviceBehaviors>
  </behaviors>
  <bindings>
   <customBinding>
    <binding name="customBinding0" closeTimeout="00:02:00" openTimeout="00:02:00" receiveTimeout="00:02:00">
      <binaryMessageEncoding>
        <readerQuotas maxDepth="64" maxStringContentLength="16384"
                                maxArrayLength="16384" maxBytesPerRead="16384"
                                maxNameTableCharCount="16384" />
      </binaryMessageEncoding>
      <httpTransport />
    </binding>
   </customBinding>
  </bindings>

  <serviceHostingEnvironment aspNetCompatibilityEnabled="true" />
  <services>
   <service behaviorConfiguration="AlgoMap.Web.MapService.MapServiceBehavior"
    name="AlgoMap.Web.MapService.MapService">
     <endpoint 
        address="" binding="customBinding" bindingConfiguration="customBinding0"
        contract="AlgoMap.Web.MapService.MapService" 
        behaviorConfiguration="AlgoMap.Web.MapService.MapServiceEndpointBehavior" />
    <endpoint 
        address="mex" binding="mexHttpBinding" contract="IMetadataExchange"  
        behaviorConfiguration="AlgoMap.Web.MapService.MapServiceEndpointBehavior" />
   </service>
  </services>
 </system.serviceModel>

谁能帮忙？谢谢!!

Answer 1

很高兴忽略了web.config中的任何设置,我还没有找到原因.但我发现了一种解决方法,即将MaxItemsInObjectGraph作为类装饰.这完美无瑕:

// MyService.svc
// using...

namespace MyNamespace {
  [ServiceContract]
  [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
  [ServiceBehavior(MaxItemsInObjectGraph = 65536000)]
  public class MyWebService {

    [OperationContract]
    [WebGet(UriTemplate = "tree/{sessionId}", ResponseFormat = WebMessageFormat.Json)]
    public MyData GetTree(string sessionId) {
    ...
...