Mongodb connection not available

  mongodb, question

Display when connecting with mongovue:
图片描述
The code in the prompt box is as follows:

Connection was refused
 Unable to connect to server127.0.0.1: 27017: unable to connect because the target computer actively refused.  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)
 
 
 Unable to connect because the target computer actively refused.  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)

The first step is to determine whether your mongo service starts normally. The test method is local to the server where mongo is locatedtelnetTesting. Eliminate mongo Service Issues

If the first step holds, replace it with the same network segmenttelnetTesting. If it cannot be accessed, check whether the port occupied by mongo is blocked by firewall or kill software. If yes, add the corresponding rules of entry and exit in the rules of entry and exit. Eliminate firewall and kill soft problems.

Finally, use your mongovue.

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