title: Oracle service bus Invocation Error
body: <p>Whenever I try to invoke a proxy service in OSB it gives me error. Here's the error I see:</p>
  
  <pre><code>com.bea.wli.sb.transports.TransportException: 
  The invocation resulted in an error:
  Unknown error while processing message for service ProxyService {Proxy service path}
  </code></pre>
  
  <p>A HTTP 500 is returned.</p>
  
  <p>In the message flow I can see a request was returned as it is saying "No service has been invoked." In the logs I can see "Error to place router information".</p>
  
  <p>Any ideas for how to overcome this?</p>