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POWCF Always Returns 400 for Exceptions
 

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    <p>I have a RESTful WCF service and I've implemented an ErrorHandler such as the following:</p> <pre><code>public class MyErrorHandler : IErrorHandler, IServiceBehavior { // OMITTED: IServiceBehavior Members public void ProvideFault(Exception error, MessageVersion version, ref Message fault) { DoSomeCustomLogging(error); WebOperationContext ctx = WebOperationContext.Current; ctx.OutgoingResponse.StatusCode = HttpStatusCode.InternalServerError; } } </code></pre> <pre> <code> public class MyErrorHandlerElement : BehaviorExtensionElement { protected override object CreateBehavior() { return new MyErrorHandler(); } public override Type BehaviorType { get { return typeof(MyErrorHandler); } } } </code> </pre> <p>It's hooked up in my web.config like so:</p> <pre><code>&lt;system.serviceModel&gt; &lt;behaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="Rest"&gt; &lt;webHttp /&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; &lt;extensions&gt; &lt;behaviorExtensions&gt; &lt;add name ="errorHandler" type="ACME.MyErrorHandlerElement, ACME.MyErrorHandler"/&gt; &lt;/behaviorExtensions&gt; &lt;/extensions&gt; &lt;serviceHostingEnvironment aspNetCompatibilityEnabled="true" /&gt; &lt;standardEndpoints&gt; &lt;webHttpEndpoint&gt; &lt;standardEndpoint name="" faultExceptionEnabled="false" helpEnabled="false" automaticFormatSelectionEnabled="true" /&gt; &lt;/webHttpEndpoint&gt; &lt;/standardEndpoints&gt; &lt;/system.serviceModel&gt; </code></pre> <p>For some reason, if my service throws an exception, 400 is returned to the client instead of 500. Any ideas why?</p>
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    1. USBullines
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    1. COyour webconfig is missing, please update
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      1. USAbdul Hfuda
    2. COin the config file, type is MyErrorHandlerElement - shouldnt it be MyErrorHandler?
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      1. USEric
    3. COEric, in the type, the first item is the ErrorHandlerElement (I've updated my example to include it) and the second is the assembly name.
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