mongodb连接不上

Connection was refused

Unable to connect to server 127.0.0.1:27017: 由于目标计算机积极拒绝，无法连接。 127.0.0.1:27017.

Type: MongoDB.Driver.MongoConnectionException

Stack:    at MongoDB.Driver.Internal.DirectMongoServerProxy.Connect(TimeSpan timeout, ReadPreference readPreference)

   at MongoDB.Driver.MongoServer.Connect(TimeSpan timeout)

   at MongoDB.Driver.MongoServer.Connect()

   at MangoUI.MMongo.Open(Boolean mustWrite)

   at MangoUI.MMongo.Open()

   at MangoUI.MConnection.get_IsValid()

   at MangoUI.WinConnect.btnTest_Click(Object sender, EventArgs e)





由于目标计算机积极拒绝，无法连接。 127.0.0.1:27017

Type: System.Net.Sockets.SocketException

Stack:    at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)

   at System.Net.Sockets.Socket.Connect(EndPoint remoteEP)

   at System.Net.Sockets.TcpClient.Connect(IPEndPoint remoteEP)

   at MongoDB.Driver.Internal.MongoConnection.Open()

   at MongoDB.Driver.Internal.MongoConnection.GetNetworkStream()

   at MongoDB.Driver.Internal.MongoConnection.SendMessage(BsonBuffer buffer, Int32 requestId)

   at MongoDB.Driver.Internal.MongoConnection.SendMessage(MongoRequestMessage message)

   at MongoDB.Driver.Operations.CommandOperation`1.Execute(MongoConnection connection)

   at MongoDB.Driver.MongoServerInstance.RunCommandAs[TCommandResult](MongoConnection connection, String databaseName, IMongoCommand command)

   at MongoDB.Driver.MongoServerInstance.Ping(MongoConnection connection)

   at MongoDB.Driver.MongoServerInstance.Connect()

   at MongoDB.Driver.Internal.DirectMongoServerProxy.Connect(TimeSpan timeout, ReadPreference readPreference)