Failed to invoke the service. Possible causes: the service is offline or inaccessible; the client-side configuration does not match the proxy

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WCFServices

hi..
when i invoking wcf service i am getting error as

Failed to invoke the service. Possible causes: The service is offline or inaccessible; the client-side configuration does not match the proxy; the existing proxy is invalid. Refer to the stack trace for more detail. You can try to recover by starting a new proxy, restoring to default configuration, or refreshing the service.

hee i have posted my service and client configuration.

server config:

<system.serviceModel>
   <bindings>
     <basicHttpBinding>
       <binding name="BasicHttpBinding_IFileTransfer" />
     </basicHttpBinding>
   </bindings>
   <client>
     <endpoint address="http://localhost:51783/FileTransfer.svc" binding="basicHttpBinding"
       bindingConfiguration="BasicHttpBinding_IFileTransfer" contract="ServiceReference1.IFileTransfer"
       name="BasicHttpBinding_IFileTransfer" />
   </client>
   <services>
     <service name="LeapServer.Service1">
       <endpoint address="" binding="basicHttpBinding" contract="LeapServer.IService1">
         <identity>
           <dns value="localhost" />
         </identity>
       </endpoint>
       <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
       <host>
         <baseAddresses>
           <add baseAddress="http://localhost:8732/Design_Time_Addresses/LeapServer/Service1/" />
         </baseAddresses>
       </host>
     </service>
   </services>
   <behaviors>
     <serviceBehaviors>
       <behavior>
         <serviceMetadata httpGetEnabled="True"/>
         <serviceDebug includeExceptionDetailInFaults="False" />
       </behavior>
     </serviceBehaviors>
   </behaviors>
 </system.serviceModel>

client config

<system.serviceModel>
    <bindings />
    <client />
    <services>
      <service name="LeapClient.FileTransfer">
        <endpoint address="" binding="wsHttpBinding" contract="LeapClient.IFileTransfer">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8732/Design_Time_Addresses/TestLeapClient1/Clientservice1/" /> 
          </baseAddresses>
        </host>
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="MyServiceTypeBehaviors" >
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="False" />
        </behavior>
      </serviceBehaviors>
    </behaviors>

  </system.serviceModel>

can anyone suggest me to resolve this issue?

What I have tried:

i have tried as error said to add new proxy and updating service reference still it not working..