Neo4j remote shell connection refused on AWS database server

Question

My Neo4j database server is hosted in AWS.

I am using from my Mac this command:

$ ./bin/neo4j-shell -host xx.xxx.xxx.xxx -port 1337 -name shell

The port 1337 is enabled in the AWS Neo4j database server.

I have these lines uncommented in the file neo4j.properties:

remote_shell_enabled=true
remote_shell_host=127.0.0.1
remote_shell_port=1337

I am getting the error: Connection refused

Having the details:

java.rmi.ConnectException: Connection refused to host: xx.xxx.xxx.xxx; nested exception is: 
    java.net.ConnectException: Connection refused
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
    at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
    at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
    at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:341)
    at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
    at java.rmi.Naming.lookup(Naming.java:101)
    at org.neo4j.shell.impl.RmiLocation.getBoundObject(RmiLocation.java:261)
    at org.neo4j.shell.impl.RemoteClient.findRemoteServer(RemoteClient.java:69)
    at org.neo4j.shell.impl.RemoteClient.<init>(RemoteClient.java:62)
    at org.neo4j.shell.impl.RemoteClient.<init>(RemoteClient.java:45)
    at org.neo4j.shell.ShellLobby.newClient(ShellLobby.java:178)
    at org.neo4j.shell.StartClient.startRemote(StartClient.java:302)
    at org.neo4j.shell.StartClient.start(StartClient.java:179)
    at org.neo4j.shell.StartClient.main(StartClient.java:124)
Caused by: java.net.ConnectException: Connection refused
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:579)
    at java.net.Socket.connect(Socket.java:528)
    at java.net.Socket.<init>(Socket.java:425)
    at java.net.Socket.<init>(Socket.java:208)
    at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
    at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:147)
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
    ... 13 more

Don't know how to fix it.

score 1 · Answer 1 · edited May 23 '17 at 12:00

1

I think you have to open quite a few ports on your server, besides 1337 and 1099 also a port range for RMI ports.

e.g. What port is used by Java RMI connection?

you can also use neo4j over http (e.g. in the browser with /webadmin) or via this script: https://gist.github.com/jexp/a9bf4cd3a16eb6c5997b

edited May 23 '17 at 12:00

Community

1
1

answered Jun 23 '15 at 23:44

Michael Hunger

41,339
3
57
80

I am able to use http://...:7474/browser/ and http://...:7474/admin/ but I don't know which param to check to see which port RMI is using. – LDB Jun 24 '15 at 00:19
Also I am able connect from my dev env through a RoR app. – LDB Jun 24 '15 at 00:21
The script neo-http-shell.sh works when using port 7474. Not working with port 1337. – LDB Jun 24 '15 at 15:26
Yes, that was the intent. – Michael Hunger Jun 25 '15 at 13:04
However the command described in the beginning is still not working. – LDB Jun 25 '15 at 17:34

score 0 · Answer 2 · edited Sep 21 '15 at 03:24

0

This key remote_shell_host=127.0.0.1 that enables you to just connect via loopback. You have to specify by which network adapter you will receive the connection. You can also specify 0.0.0.0 for any your network interfaces.

edited Sep 21 '15 at 03:24

Gonzalo

20,805
3
75
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answered Sep 21 '15 at 03:09

raeffray

1

0.0.0.0 does not work for me. When I am using 0.0.0.0 instead of 127.0.0.1 the server is not starting. – LDB Sep 24 '15 at 17:19
I was able to make 0.0.0.0 working, I was able to restart the server. However when trying this command: ./bin/neo4j-shell -host xx.xxx.xxx.xxx -port 1337 -name shell I am still getting the error message "Connection refused". I can ping successfully this IP address. – LDB Sep 25 '15 at 15:38

Neo4j remote shell connection refused on AWS database server

2 Answers2