mongoose.connect(config.db, { server: {poolSize: 20} }, function (err) { if (err) { logger.error('connect to %s error: ', config.db, err.message); process.exit(1); } });
mongoose.connect(config.mongoUrl, function (err) { console.log('mongodb is on', config.mongoUrl); if (err) { console.log('connect to %s err', config.mongoUrl, err.message); process.exit(1); } });
// mongoose.Promise = global.Promise mongoose.connect(mongoConfig, { server: {poolSize: 20}, user: config.db.user, pass: config.db.pass }, function (err) { if (err) { logger.database('connect to %s error: ', config.db, err.message) process.exit(1) } })
mongoose.connect(url, function(err) { if (err) { console.error('connect to %s error: ', url, err.message); process.exit(1); } });
beforeAll(async () => { clearDB(); await mongoose.connect( "mongodb://localhost:27017/fakebooker", { useNewUrlParser: true, useUnifiedTopology: true, useFindAndModify: false, }, err => { if (err) { console.error(err.message); process.exit(1); } return clearDB(); } ); });
if (err) { logger.warn('mongodb 数据库链接失败,请检查') logger.warn(err.message)
MongoClient.connect('mongodb://127.0.0.1:27017/todos', (err, db) => { if (err) { if (err.name === 'MongoError' && err.message.includes('ECONNREFUSED')) { console.error('MongoDB server may not be running');
mongoose.connect(connStr, function(err) { if (err) { console.error('connect to %s error: ', connStr+process.env.NODE_ENV, err.message); // process.exit(1); } });
if (err) { res.json('soemerror occured'); console.log(JSON.stringify(err.message));
// 数据库连接 mongoose.connect(connection_string, function(err) { if (err) { console.log('connect to %s error', connection_string, err.message); } });
mongoose.connect(database.address, { server: {poolSize: 20} }, function (error) { if (error) { console.log('connect to '+database.address+' error: '+error.message); process.exit(1); } });
mongoose.connect(config.db, err => { if (err) { console.error('connect to %s error: ', config.db, err.message) process.exit(1) } })
mongoose.connect(config.db, {useNewUrlParser: true, useUnifiedTopology: true}, function (err) { if (err) { console.error('connect to %s error: ', config.db, err.message); process.exit(1); } });
mongoose.connect(config.db, { server: {poolSize: 20} }, function (err) { if (err) { logger.error('connect to %s error: ', config.db, err.message); process.exit(1); } });
MongoClient.connect('mongodb://127.0.0.1:27017/todos', (err, db) => { if (err) { if (err.name === 'MongoError' && err.message.includes('ECONNREFUSED')) { console.error('MongoDB server may not be running');