我有一个MEAN项目,这是我的server.js
的一个片段var db = require('./config/db');
// url : 'mongodb://localhost/cdnserver'
// results are same for 127.0.0.1 or the machines ip
console.log(mongoose.connect(db.url));
mongoose.set('debug', true);
mongoose.connection.on('connected', function () {
console.log('Mongoose default connection open to ' + db.url);
});
// If the connection throws an error
mongoose.connection.on('error',function (err) {
console.log('Mongoose default connection error: ' + err);
});
// When the connection is disconnected
mongoose.connection.on('disconnected', function () {
console.log('Mongoose default connection disconnected');
});
这是一个已经运行了3个多月的设置。现在我将我的整个MEAN堆栈与数据库一起复制到其他机器。我选了 mongodump 并做了 mongorestore 。通过终端的mongo恢复数据库设置看起来很好。
但是,启动服务器时,不会调用connection-open回调。如果我停止mongodb服务,则会调用断开连接和错误回调。我该如何进一步调试?
我正在连接两个设置的控制台输出。
设置1:
Mongoose {
connections:
[ NativeConnection {
base: [Circular],
collections: {},
models: {},
replica: false,
hosts: null,
host: 'localhost',
port: 27017,
user: undefined,
pass: undefined,
name: 'cdnserver',
options: [Object],
otherDbs: [],
_readyState: 2,
_closeCalled: false,
_hasOpened: false,
_listening: false,
db: [Object] } ],
plugins: [],
models: {},
modelSchemas: {},
options: { pluralization: true } }
Server up on 80
Mongoose default connection open to mongodb://localhost/cdnserver
1
Mongoose: videos.find({}) { skip: 0, limit: 5, fields: undefined }
设置2:
Mongoose {
connections:
[ NativeConnection {
base: [Circular],
collections: {},
models: {},
replica: false,
hosts: null,
host: 'localhost',
port: 27017,
user: undefined,
pass: undefined,
name: 'cdnserver',
options: [Object],
otherDbs: [],
_readyState: 2,
_closeCalled: false,
_hasOpened: false,
_listening: false,
db: [Object] } ],
plugins: [],
models: {},
modelSchemas: {},
options: { pluralization: true } }
Server up on 80
1
1
Mongoose default connection disconnected
Mongoose default connection error: Error: connection closed
cat /var/log/mongodb/mongodb.log在两台机器中显示完全相同的输出。
更新1:设置开始正常工作,蓝色再次停止。我无法弄清楚是什么让这种情况发生。
答案 0 :(得分:0)
我终于弄明白了,新的设置是使用更新版本的nodejs。
当我从7.x移动到6.x时它工作正常。我猜mongoose,节点7,mongodb版本并没有很好地结合在一起。