WCF Service not invoking properly (Timeout issue)

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4.00/5 (1 vote)

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Hi all,

Ive written a C# WCF Service that scans a path and returns all the files. Now it works fine if I scan something relatively small, for example - My Documents. But when I try to scan the C:\ drive I get the following error in the WCF Test Client:

The request channel timed out while waiting for a reply after 00:00:59.9844000. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time allotted to this operation may have been a portion of a longer timeout.
Server stack trace: 
   at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.ClientReliableChannelBinder`1.RequestClientReliableChannelBinder`1.OnRequest(TRequestChannel channel, Message message, TimeSpan timeout, MaskingMode maskingMode)
   at System.ServiceModel.Channels.ClientReliableChannelBinder`1.Request(Message message, TimeSpan timeout, MaskingMode maskingMode)
   at System.ServiceModel.Channels.ClientReliableChannelBinder`1.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Security.SecuritySessionClientSettings`1.SecurityRequestSessionChannel.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at IService1.ReturnAllFiles(CompositeType c)
   at Service1Client.ReturnAllFiles(CompositeType c)
Inner Exception:
The HTTP request to 'http://localhost:56847/Service1.svc' has exceeded the allotted timeout of 00:01:00. The time allotted to this operation may have been a portion of a longer timeout.
   at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
   at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
   at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
Inner Exception:
The operation has timed out
   at System.Net.HttpWebRequest.GetResponse()
   at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)

Now if I use breakpoints in the code I can see that the code is successful, it just seems that the response is timing out. I've amended the binding settings in the config file for timeouts etc, but I don't seem to be able to resolve it.

This is the first attempt at a WCF service I've made so please go easy on me!

Any suggestions would be thoroughly appreciated.

Thanks,

Jib

Posted 16-Mar-11 7:00am

Jibrohni

Updated 16-Mar-11 7:04am

Wendelius

v2

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Wendelius 16-Mar-11 13:05pm

Added pre tags to enhance readability

2 solutions

Solution 1

These links may help:

http://msdn2.microsoft.com/en-us/library/ms733025.aspx[^]

http://msdn2.microsoft.com/en-us/library/bb463275.aspx[^]

Posted 16-Mar-11 7:13am

#realJSOP

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Jibrohni · Accepted Answer · 2011-03-17T23:38:00

Well after a lot of reading and changing settings it ended up being the client side endpoint configuration. This did it:

private void ConfigureClientEndPoint(ServiceEndpoint endPoint)
        {
            foreach (OperationDescription operation in 
                     endPoint.Contract.Operations)
            {
                DataContractSerializerOperationBehavior dataContractBehavior = 
                operation.Behaviors.Find<DataContractSerializerOperationBehavior>();
                if (dataContractBehavior != null)
                {
                    dataContractBehavior.MaxItemsInObjectGraph = 2147483647;
                }
            }
        }