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POBad Request to RESTful WCF Service Forces IIS to Recycle App Pool
 

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  1. POBad Request to RESTful WCF Service Forces IIS to Recycle App Pool
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    <p>I am attempting to create and host a simple RESTful WCF Service. The service works perfectly except for 1 situation. I attempt to perform a POST to insert a new object into my static List using the JSON request of:</p> <pre><code>{"sampleItem":{"Id":1,"StartValue":2,"EndValue":3}} </code></pre> <p>If I then change the request to be:</p> <pre><code>{"sampleItemBlah":{"Id":1,"StartValue":2,"EndValue":3}} </code></pre> <p>I get a 500 response and all future POST's return a 500 error until I recycle my IIS App Pool and then it starts to work again.</p> <p>It doesn't appear that the service is in a faulted state because I can still perform GET's and get data back. I turned on trace debugging and I do not see any errors in my log file.</p> <p>Does anyone have any ideas?</p> <p>Here is my Service Contract:</p> <pre><code>[ServiceContract] public interface IWcfRestService { [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Wrapped, UriTemplate = "", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] [OperationContract] SampleItem Insert(SampleItem sampleItem); } [DataContract] public class SampleItem { [DataMember] public int Id { get; set; } [DataMember] public int StartValue { get; set; } [DataMember] public int EndValue { get; set; } } </code></pre> <p>And here is my implementation:</p> <pre><code>public class WcfRestService : IWcfRestService { private static readonly List&lt;SampleItem&gt; Items = new List&lt;SampleItem&gt;(); public SampleItem Insert(SampleItem sampleItem) { return BaseInsert(sampleItem); } private static SampleItem BaseInsert(SampleItem sampleItem) { if (Items.Exists(x =&gt; x.Id == sampleItem.Id)) Items.RemoveAll(x =&gt; x.Id == sampleItem.Id); Items.Add(sampleItem); return sampleItem; } } </code></pre> <p>And finally here is my ServiceModel section of my Web.config:</p> <pre><code>&lt;services&gt; &lt;service behaviorConfiguration="Services.ServiceBehavior" name="WcfRestServiceApp.WcfRestService"&gt; &lt;endpoint address="" behaviorConfiguration="RESTBehavior" binding="webHttpBinding" contract="WcfRestServiceApp.IWcfRestService"&gt; &lt;identity&gt; &lt;dns value="localhost" /&gt; &lt;/identity&gt; &lt;/endpoint&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /&gt; &lt;/service&gt; &lt;/services&gt; &lt;behaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="RESTBehavior"&gt; &lt;webHttp /&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="Services.ServiceBehavior"&gt; &lt;serviceMetadata httpGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="false" /&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;/behaviors&gt; </code></pre> <p>Any and all help is greatly appreciated.</p>
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    1. USBrandon
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    1. COK, you're new. Here's the deal. People here don't debug your apps. But if you narrow your issue down to a single specific situation and ask why its happening, you'll get a good answer. If you throw up a shitton of code and ask "what's wrong here" you might get lucky, but odds are you won't. In situations like this its best to create a demo app with as minimal code as possible that repros the issue. That way you can ask for help on `these three lines of code` instead of "somewhere in here is a bug. Find it for me."
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      1. POBad Request to RESTful WCF Service Forces IIS to Recycle App Pool
      1. USWill
    2. COI removed all the extra code. I can still recreate the issue with the code I have left. I am not sure if I am missing an annotation/configuration somewhere or if there is an IIS setting I need to change.
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      1. POBad Request to RESTful WCF Service Forces IIS to Recycle App Pool
      1. USBrandon
    3. COWhat client are you using?
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      1. POBad Request to RESTful WCF Service Forces IIS to Recycle App Pool
      1. USMarvin Smit
 

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