mongodb insert into collection with nodejs

Question

I'm trying to insert into collection but I get error not sure why. here is what I tried to do

db.collection("book", function(err, collection){

    if(err){
        console.log(err);
    }

    collection.insert({"name":req.query.file.split(".")[0],"length":response}, function(err,book) {
        if(err){
            console.log(err);
        }

        return callback(null);
        console.log(book);
    });

    return callback(null);

});

I'm trying to insert a "book" into book collection... as I saw in mongo document .collection and .insert requires callback. and my error is

events.js:72
        throw er; // Unhandled 'error' event
              ^
Error: listen EADDRINUSE
    at errnoException (net.js:900:11)
    at Server._listen2 (net.js:1038:14)
    at listen (net.js:1060:10)
    at net.js:1134:9
    at dns.js:72:18
    at process._tickCallback (node.js:415:13)

and I'm not sure what I'm doing wrong, thanks!

The "callback" is the argument you have specified as a function() in both of your method calls. What is callback() that you have put in there twice? Possibly too literal a translation from the documentation or is it intended to be something else? — Neil Lunn
– Neil Lunn, Commented May 13, 2014 at 8:03
well, I throwed the callbacks, I have it like this now: pastebin.com/M86GM08B still same error — greW
– greW, Commented May 13, 2014 at 8:35

Andrei Beziazychnyi · Accepted Answer · 2014-05-13 09:11:30Z

1

Are you sure that it is because of insert? It is typical unhandled exception in case you try to start node.js process that listens for the same port as other process( or the same copy of this node.js process)

answered May 13, 2014 at 9:11

Andrei Beziazychnyi

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