node.js - Starting KeystoneJS fail -

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i try set first project using keystonejs when try use "node keystone" receive following error. can explain me why that?

mongo error:  [error: failed connect [localhost:27017]] /users/marius/desktop/doner/node_modules/keystone/lib/core/mount.js:606             throw new error('keystonejs (' + keystone.get('name') + ') failed start'                   ^ error: keystonejs (doner) failed start     @ nativeconnection.<anonymous> (/users/marius/desktop/doner/node_modules/keystone/lib/core/mount.js:606:10)     @ nativeconnection.emit (events.js:107:17)     @ nativeconnection.connection.error (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/lib/connection.js:389:8)     @ /users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/lib/connection.js:416:14     @ /users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/lib/drivers/node-mongodb-native/connection.js:57:21     @ /users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/db.js:286:18     @ /users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/db.js:364:18     @ server.close (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/server.js:192:38)     @ db.close (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/db.js:360:21)     @ /users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/db.js:284:21     @ null.<anonymous> (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/server.js:565:7)     @ emit (events.js:118:17)     @ null.<anonymous> (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:156:15)     @ emit (events.js:110:17)     @ socket.<anonymous> (/users/marius/desktop/doner/node_modules/keystone/node_modules/mongoose/node_modules/mongodb/lib/mongodb/connection/connection.js:534:10)     @ socket.emit (events.js:107:17)

keystone not connect mongodb. keystone doesn't manage mongodb you. make sure mongodb running before "node keystone".


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