Example of couchnode sample that produces "Network Error Code 16"

example

var couchbase = require("couchbase"),
    http = require("http");

var port = 8080;
var config = {
    username : "Administrator",
    password : "password",
    hosts : [ "localhost:8091" ],
    bucket : "mybucket"
};
couchbase.connect(config, function(err, bucket) {
    if (err) {throw(err)}

        bucket.get("README", function(err, doc, meta) {
            console.log(err);            
            console.dir(doc);
            bucket.set("TEST", doc, meta, function(err) {
                console.log(err);
            })
        })
})