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Contract requires Duplex, but Binding 'BasicHttpBinding' doesn't support it or isn't configured properly to support it.

    Question

  • Hi All,
            I am getting this error.Please provide solution for this.
    Contract requires Duplex, but Binding 'BasicHttpBinding' doesn't support it or isn't configured properly to support it.

    I am using one console app which communicates with windows application via http,wsDualHttp,tcp and named pipe.
    I am getting above error.

    My App.config file is 

    <?xml version="1.0" encoding="utf-8" ?>

    <configuration>

    <system.serviceModel>

    <services>

    <service name="Bartech.Library.BartechService.clsBartechServer">


    <endpoint address = "net.tcp://localhost:811/EfridgeService"

    binding="netTcpBinding" bindingConfiguration="bindCmdHandler"

    contract="Bartech.Library.BartechService.IBSSContract" />

    <endpoint address = "net.tcp://localhost:810/BartechService"

    binding="netTcpBinding" bindingConfiguration="bindCmdHandler"

    contract="Bartech.Library.BartechService.IBartechServer" />

    <endpoint address = "net.tcp://localhost:813/CommunicationViewService"

    binding="netTcpBinding" bindingConfiguration="bindCmdHandler"

    contract="Bartech.Library.BartechService.IBSSCommunicationViewContract" />

    <endpoint address = "net.tcp://localhost:812/BartechService"

    binding="netTcpBinding" bindingConfiguration="bindCmdHandler"

    contract="Bartech.Library.BartechService.IBPMSContract" />



    <endpoint address = "http://localhost:811/EfridgeService"

    binding="basicHttpBinding"

    contract="Bartech.Library.BartechService.IBSSContract" />

    <endpoint address = "http://localhost:810/BartechService"

    binding="basicHttpBinding"

    contract="Bartech.Library.BartechService.IBartechServer" />

    <endpoint address = "http://localhost:813/CommunicationViewService"

    binding="basicHttpBinding"

    contract="Bartech.Library.BartechService.IBSSCommunicationViewContract"/>

    <endpoint address = "http://localhost:812/BPMSService"

    binding="basicHttpBinding"

    contract="Bartech.Library.BartechService.IBPMSContract"/>


    <endpoint address = "net.pipe://localhost/EfridgeService"

    binding="netNamedPipeBinding" bindingConfiguration="bindNetNamedPipeBinding"

    contract="Bartech.Library.BartechService.IBSSContract" />

    <endpoint address = "net.pipe://localhost/BartechService"

    binding="netNamedPipeBinding" bindingConfiguration="bindNetNamedPipeBinding"

    contract="Bartech.Library.BartechService.IBartechServer" />

    <endpoint address = "net.pipe://localhost/CommunicationViewService"

    binding="netNamedPipeBinding" bindingConfiguration="bindNetNamedPipeBinding"

    contract="Bartech.Library.BartechService.IBSSCommunicationViewContract" />

    <endpoint address = "net.pipe://localhost/BPMSService"

    binding="netNamedPipeBinding" bindingConfiguration="bindNetNamedPipeBinding"

    contract="Bartech.Library.BartechService.IBPMSContract" />



    <host>

    <timeouts openTimeout="00:30:00" closeTimeout="00:30:00"/>

    </host>

    </service>

    </services>

    <behaviors>

    <serviceBehaviors>

    <behavior name="BssBehavior">

    <serviceThrottling maxConcurrentCalls="4000" maxConcurrentInstances="4000" maxConcurrentSessions="4000"/>

    <dataContractSerializer maxItemsInObjectGraph="2147483647"/>

    </behavior>

    </serviceBehaviors>

    </behaviors>

    <bindings>

    <netTcpBinding>

    <binding name="bindCmdHandler"

    closeTimeout="00:30:00"

    openTimeout="00:30:00"

    receiveTimeout="00:30:00"

    sendTimeout="00:30:00"

    transferMode="Buffered"

    maxBufferPoolSize="2147483647"

    maxBufferSize="2147483647"

    maxConnections="100"

    maxReceivedMessageSize="2147483647">



    <readerQuotas maxDepth="2147483647"

    maxStringContentLength="2147483647"

    maxArrayLength="2147483647"

    maxBytesPerRead="2147483647"

    maxNameTableCharCount="2147483647" />

    </binding>



    </netTcpBinding>

    <wsDualHttpBinding>

    <binding name="bindWSDualHttpBinding"

    closeTimeout="00:30:00"

    openTimeout="00:30:00"

    receiveTimeout="00:30:00"

    sendTimeout="00:30:00"

    maxBufferPoolSize="2147483647"

    maxReceivedMessageSize="2147483647">

    <readerQuotas maxDepth="2147483647"

    maxStringContentLength="2147483647"

    maxArrayLength="2147483647"

    maxBytesPerRead="2147483647"

    maxNameTableCharCount="2147483647" />

    </binding>

    </wsDualHttpBinding>

    <basicHttpBinding>

    <binding name="bindBasicHttpBinding"

    closeTimeout="00:30:00"

    openTimeout="00:30:00"

    receiveTimeout="00:30:00"

    sendTimeout="00:30:00"

    transferMode="Buffered"

    maxBufferPoolSize="2147483647"

    maxBufferSize="2147483647"

    maxReceivedMessageSize="2147483647">



    <readerQuotas maxDepth="2147483647"

    maxStringContentLength="2147483647"

    maxArrayLength="2147483647"

    maxBytesPerRead="2147483647"

    maxNameTableCharCount="2147483647" />

    </binding>

    </basicHttpBinding>

    <netNamedPipeBinding>

    <binding name="bindNetNamedPipeBinding"

    closeTimeout="00:30:00"

    openTimeout="00:30:00"

    receiveTimeout="00:30:00"

    sendTimeout="00:30:00"

    transferMode="Buffered"

    maxBufferPoolSize="2147483647"

    maxBufferSize="2147483647"

    maxConnections="100"

    maxReceivedMessageSize="2147483647">



    <readerQuotas maxDepth="2147483647"

    maxStringContentLength="2147483647"

    maxArrayLength="2147483647"

    maxBytesPerRead="2147483647"

    maxNameTableCharCount="2147483647" />

    </binding>

    </netNamedPipeBinding>

    </bindings>

    </system.serviceModel>

    I am unable to open service I am getting following error.

    Contract requires Duplex, but Binding 'BasicHttpBinding' doesn't support it or isn't configured properly to support it.

    I am using following settings in interface contract

    [ServiceContract(SessionMode = SessionMode.Allowed, CallbackContract = typeof(IBSSEvents))]

    public interface IBSSContract

    {
    }




    Suyog
    Wednesday, February 25, 2009 7:23 AM

Answers