CODEWITHSUNDEEP
mongodbubuntuamazon-ec2
Harshita R
Harshita R

Reputation: 1

Connection refused to MongoDB installed on Ubuntu EC2 instance

I have 2 EC2 AWS instances, both are on Ubuntu.Both these instances are associated to 2 different subnets of the same VPC. My application is installed on one instance(16.0.2.114) to which the Elastic IP is associated and MongoDB on the other instance(16.0.4.117).

What I am trying to achieve is that I want my application on 16.0.2.114 to connect to the MongoDB on the 16.0.4.117 but I am getting the following exception:

org.mongodb.driver.cluster -76: Exception in monitor thread while connecting to server 16.0.2.114:27017 com.mongodb.MongoSocketOpenException: Exception opening socket at com.mongodb.connection.SocketStream.open(SocketStream.java:63) ~[mongo-java-driver-3.0.2.jar!/:na] at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:114) ~[mongo-java-driver-3.0.2.jar!/:na] at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:127) ~[mongo-java-driver-3.0.2.jar!/:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45] Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_45] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) ~[na:1.8.0_45] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_45] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_45] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_45] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_45] at com.mongodb.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:50) ~[mongo-java-driver-3.0.2.jar!/:na] at com.mongodb.connection.SocketStream.open(SocketStream.java:58) ~[mongo-java-driver-3.0.2.jar!/:na] ... 3 common frames omitted.

I have modified bind_ip of mongo.conf to listen to 16.0.2.114 and the security groups to listen to all the ports.

Upvotes: 0

Views: 688

Answers (1)

pgratton
pgratton

Reputation: 663

Make sure your VPC ACL allows inbound traffic on your mongodb port

Upvotes: 0

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