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POCommon WCF Exception : Connection Unexpectedly Closed
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  1. POCommon WCF Exception : Connection Unexpectedly Closed
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    copied!<p>I have three projects. One is a WCF Services Project, one is a WPF Project, and one is a Microsoft Unit Testing Project. I setup the WCF Services project with a data object that looks like this:</p> <pre><code>[DataContract] public enum Priority { Low, Medium, High } [DataContract] public struct TimeInfo { [DataMember] public Int16 EstimatedHours { get; set; } [DataMember] public Int16 ActualHours { get; set; } [DataMember] public DateTime StartDate { get; set; } [DataMember] public DateTime EndDate { get; set; } [DataMember] public DateTime CompletionDate { get; set; } } [DataContract] public class Task { [DataMember] public string Title { get; set; } [DataMember] public string Description { get; set; } [DataMember] public Priority Priority { get; set; } [DataMember] public TimeInfo TimeInformation { get; set; } [DataMember] public Decimal Cost { get; set; } } </code></pre> <p>My contract looks like this:</p> <pre><code>[ServiceContract] public interface ITaskManagement { [OperationContract] List&lt;Task&gt; GetTasks(); [OperationContract] void CreateTask(Task taskToCreate); [OperationContract] void UpdateTask(Task taskToCreate); [OperationContract] void DeleteTask(Task taskToDelete); } </code></pre> <p>When I try to use the service in either the WPF Application or the Unit Test Project with this code:</p> <pre><code>var client = new TaskManagementClient(); textBox1.Text = client.GetTasks().ToString(); client.Close(); </code></pre> <p>I get the following error: "The underlying connection was closed: The connection was closed unexpectedly."</p> <p>The app.config for the WPF and Unit Test Projects look like this:</p> <pre><code>&lt;system.serviceModel&gt; &lt;bindings&gt; &lt;wsHttpBinding&gt; &lt;binding name="WSHttpBinding_ITaskManagement" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /&gt; &lt;security mode="Message"&gt; &lt;transport clientCredentialType="Windows" proxyCredentialType="None" realm="" /&gt; &lt;message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default" establishSecurityContext="true" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/wsHttpBinding&gt; &lt;/bindings&gt; &lt;client&gt; &lt;endpoint address="http://localhost:9999/TaskManagement.svc" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_ITaskManagement" contract="TaskManagement.ITaskManagement" name="WSHttpBinding_ITaskManagement"&gt; &lt;identity&gt; &lt;dns value="localhost" /&gt; &lt;/identity&gt; &lt;/endpoint&gt; &lt;/client&gt; &lt;/system.serviceModel&gt; </code></pre> <p>and the web.config of the WCF Service looks like this:</p> <pre><code> &lt;system.serviceModel&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="InternetBasedWcfServices.TaskManagementBehavior"&gt; &lt;serviceMetadata httpGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="false" /&gt; &lt;/behavior&gt; &lt;behavior name="InternetBasedWcfServices.ScheduleManagementBehavior"&gt; &lt;serviceMetadata httpGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="false" /&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;/behaviors&gt; &lt;services&gt; &lt;service behaviorConfiguration="InternetBasedWcfServices.TaskManagementBehavior" name="InternetBasedWcfServices.TaskManagement"&gt; &lt;endpoint address="" binding="wsHttpBinding" contract="InternetBasedWcfServices.ITaskManagement"&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;service behaviorConfiguration="InternetBasedWcfServices.ScheduleManagementBehavior" name="InternetBasedWcfServices.ScheduleManagement"&gt; &lt;endpoint address="" binding="wsHttpBinding" contract="InternetBasedWcfServices.IScheduleManagement"&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;/system.serviceModel&gt; </code></pre> <p>This is not the first time this has happened, and I'm guessing it is a configuration issue. But each time I've usually just blown away my service and put it back or created a new service project. Then everything works wonderfully. If anyone has any ideas, that would be awesome. Thx.</p> <p>**</p> <blockquote> <p>Updated: I've added comments for more of my troubleshooting on this problem. When an answer is available, if the answer is unpublished, I'll add it as an official "answer".</p> </blockquote> <p>**</p>
 

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