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POPosting large JSON to my WCF Service return bad request?
 

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    <p>I have a WCF service that accept JSON String Entity and this is the method:</p> <p><strong>UPDATE: I solved the problem as this wasn't related to the WCF service, but to the GSON formatting that I am using because is not formating a special character like "ù" and the server refuse to accept this character.</strong></p> <pre><code> &lt;WebInvoke(UriTemplate:="UpdateUser", ResponseFormat:=WebMessageFormat.Json, RequestFormat:=WebMessageFormat.Json, Method:="POST", BodyStyle:=WebMessageBodyStyle.WrappedRequest)&gt; _ Public Function UpdateUser(user As String) As Stream Implements IService1.UpdateUser End Function </code></pre> <p>If I try to post trough JAVA HttpClient a JSON String with the code below and with short JSON string all work fine, but if the size of the JSON string is bigger, then the IIS 7.5 response with:</p> <p><strong>-MODULE_SET_RESPONSE_ERROR_STATUS ModuleName ManagedPipelineHandler Notification 128 HttpStatus 400 HttpReason Bad Request HttpSubStatus 0 ErrorCode 0 ConfigExceptionInfo Notification EXECUTE_REQUEST_HANDLER ErrorCode Operazione completata. (0x0)</strong></p> <p>I tried already with MaxReceivedMessageSize and other size settings in the Web.Config but without success.</p> <p>This is my Web.Config file</p> <pre><code> &lt;services&gt; &lt;service name="WBVoice4Facebook.Service1" behaviorConfiguration="ServiceBehaviour"&gt; &lt;endpoint address="" binding="webHttpBinding" bindingConfiguration="StreamedRequestWebBinding" contract="WBVoice4Facebook.IService1" behaviorConfiguration="web"&gt; &lt;/endpoint&gt; &lt;/service&gt; &lt;/services&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="ServiceBehaviour"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483646"/&gt; &lt;serviceMetadata httpGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="true" /&gt; &lt;/behavior&gt; &lt;behavior name=""&gt; &lt;serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="true" /&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="web"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483646" /&gt; &lt;webHttp /&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; &lt;bindings&gt; &lt;netMsmqBinding&gt; &lt;binding name="NewBinding0"&gt; &lt;security&gt; &lt;transport msmqAuthenticationMode="None" msmqProtectionLevel="None" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/netMsmqBinding&gt; &lt;webHttpBinding&gt; &lt;binding name="StreamedRequestWebBinding" openTimeout="10:15:00" receiveTimeout="10:15:00" sendTimeout="10:15:00" bypassProxyOnLocal="true" hostNameComparisonMode="WeakWildcard" maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" transferMode="Streamed" useDefaultWebProxy="false"&gt; &lt;readerQuotas maxStringContentLength="2147483647" maxArrayLength="2147483647" /&gt; &lt;security mode="TransportCredentialOnly"&gt; &lt;transport clientCredentialType="InheritedFromHost" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/webHttpBinding&gt; &lt;/bindings&gt; </code></pre>
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