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rated 0 times [  87] [ 4]  / answers: 1 / hits: 5644  / 11 Years ago, thu, january 23, 2014, 12:00:00

Below is the output log of the code below that, I don't know why it is throwing the error, I'm think the numbers at the end of the lines are line number:char number, I'll post some key line numbers in with the code.




for some reason not working

series complete



events.js:171

throw TypeError('listener must be a function');

^ TypeError: listener must be a function

at TypeError ()

at NativeConnection.EventEmitter.once (events.js:171:11)

at /home/melman/Documents/Git/angular-test/server.js:39:24

at /home/melman/Documents/Git/angular-test/node_modules/async/lib/async.js:5
48:21

at /home/melman/Documents/Git/angular-test/node_modules/async/lib/async.js:2
24:13

at iterate (/home/melman/Documents/Git/angular-test/node_modules/async/lib/a

sync.js:131:13)

at async.eachSeries (/home/melman/Documents/Git/angular-test/node_modules/as

ync/lib/async.js:147:9)

at _asyncMap (/home/melman/Documents/Git/angular-test/node_modules/async/lib

/async.js:223:9)

at Object.mapSeries (/home/melman/Documents/Git/angular-test/node_modules/as

ync/lib/async.js:213:23)

at Object.async.series (/home/melman/Documents/Git/angular-test/node_modules

/async/lib/async.js:546:19)




28: var serverConfiguration = {
init: function (){
30: var self = this;

async.series([
function (callback) {
// connect to the db
db.connect('mongodb://localhost/piautomation');

var dbConn = db.connection;
dbConn.on('error', console.error.bind(console, 'connection error:'));
dbConn.once('open', callback(null));
40: },
function (callback) {
console.log('Configure the db');
self.models = require('./server/config/mongoose')(db); // setup the db with the models and schemas
callback(null);
},
function (callback) {
console.log(Start creating models);
self.newsApi = require('./server/api/news')(self.models.News); // pass the news api the News model
callback(null);
50: },
function (callback) {
console.log(configure routes);
require('./server/config/routes')(app, self.newsApi, clientDir, callback); // set up the routes with the model api's functions
},
function (callback) {
console.log(http server created);
var server = http.createServer(app);
console.log(starting reload);
reload(server, app);
60: console.log(start server listen);
// if we have successful db connection, allow the rest of the app to start up
server.listen(app.get('port'), function(){
console.log(Web server listening in %s on port %d, colors.red(process.env.NODE_ENV), app.get('port'));
callback(null);
});
console.log(for some reason not working);
callback(null);
}
], function () {
70: console.log(series complete);
});
}
}.init();

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 Answers
5

try changing line 39 from



dbConn.once('open', callback(null));


to



dbConn.once('open', callback);

[#48423] Wednesday, January 22, 2014, 11 Years  [reply] [flag answer]
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