I have used https://github.com/watson-developer-cloud/conversation-with-discovery code and deployed application in Bluemix, when I am testing the application conversation is working but discovery service is not working .
I have added OUT_OF_Scope intent with call_discovery action.
I am getting server is busy error when we give out scope question in chatbot.
below is the the log error , please help me to resolve this error. Exception thrown by application class 'com.ibm.watson.apis.conversation_with_discovery.rest.ProxyResource.postMessage:192' java.lang.NullPointerException at com.ibm.watson.apis.conversation_with_discovery.rest.ProxyResource.pos