I'm getting this error, create server with nodejs hapi framework

Question

When I hit node index.js command. I am getting this error message:

    /var/www/html/local/node/hapi/index.js:11
    throw err;
    ^

    Error: listen EADDRNOTAVAIL 27.0.0.1:3000
    at Object.exports._errnoException (util.js:1018:11)
    at exports._exceptionWithHostPort (util.js:1041:20)
    at Server._listen2 (net.js:1245:19)
    at listen (net.js:1294:10)
    at net.js:1404:9
    at GetAddrInfoReqWrap.asyncCallback [as callback] (dns.js:62:16)
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:81:10)