amazon web services - Alexa Skill kit : The target Lambda application returned a failure response -
i created simple hello world alexa skill aws lambda using java based on https://github.com/amzn/alexa-skills-kit-java/tree/master/samples/src/main/java/helloworld.
but when tried test lambda function returned following error
{
"errormessage": "error loading class helloworld.helloworldspeechletrequeststreamhandler: com/amazon/speech/speechlet/lambda/speechletrequeststreamhandler",
"errortype": "class java.lang.noclassdeffounderror"
}
but zip file uploaded consist of helloworldspeechletrequeststreamhandler
why error?