i have created a chat app using pusher in laravel
but this types errors occurs in console when run application
WebSocket connection to 'wss://ws-your-pusher-app-cluster.pusher.com/app/your-pusher-key?protocol=7&client=js&version=4.1.0&flash=false' failed: Error in connection establishment: net::ERR_NAME_NOT_RESOLVED
OPTIONS https://sockjs-your-pusher-app-cluster.pusher.com/pusher/app/your-pusher-key/150/ccc8teqg/xhr_streaming?protocol=7&client=js&version=4.1.0&t=1510723218799&n=1 net::ERR_NAME_NOT_RESOLVED
ERR_NAME_NOT_RESOLVED means the hostname cannot be resolved to an IP address by the DNS. If you look at the hostname ws-your-pusher-app-cluster.pusher.com, you can see that you should change the subdomain ws-your-pusher-app-cluster to whatever cluster your pusher app is located on. You can find the cluster in the Pusher dashboard.
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I deployed turn server using coturn with near-default configurations on ec2 instance. I was not able to connect with another peer using this turn server. It showed iceConnectionState changed to disconnected on the connection with error as peerjs logs on browser console and incoming packet CREATE_PERMISSION processed, error 403: Forbidden IP error on coturn server logs. How to fix this? (rhetorical)
In my case,This answer absolutely helped me( although, it was not my error). I was setting only public dns for external-ip in turnserver.conf. I set it as public-ip/private-ip and it worked. something like below:
external-ip=13.some.thing.229/172.some.thing.else and now even the error made sense.
I want to map a domain with my spring websocket deployed on server(tomcat) over port 8090.
I need to access my application through proxy passing over apache 2.4 installed on centOS.
The application(.war file) is being accessed from a client build on
react and this client is on another server.
I followed each step of below article but it is not working in my case.
Getting below error :
WebSocket connection to 'ws://xyz/abc/greeting/251/lcnlhdwc/websocket' failed: Error during WebSocket handshake: Unexpected response code: 400
Please help me.
WebSockets and Apache proxy : how to configure mod_proxy_wstunnel?
I'm trying to run this webrtc client/signaling server code, but after running the server with a new self-signed certificate I created by following the instructions of this tutorial, my chatclient.js couldn't connect to socket server:
connection = new WebSocket('wss://localhost:6503/', 'json');
this is the error displayed by chrome's console:
(chatclient.js:106) WebSocket connection to 'wss://localhost:6503/' failed:
Error in connection establishment: net::ERR_CERT_COMMON_NAME_INVALID
I then go to https://0.0.0.0:6503/ from chrome (the server is listening on port 6503), and this is the security tab from chrome inspector:
I'm guessing I need to set the correct common name during the generation of ssl certificate, to which I current set as 0.0.0.0:6503.
What should I set? Since this is a websocket's address and I have no idea which part to write?
Set it to localhost which is the same host you're trying to connect to. You do not need to include the port. Note that you will need a certificate in production.
You might also want to check the highly useful Chrome flag which ignores certificate errors on localhost: chrome://flags/#allow-insecure-localhost
Middleware: Oracle HTTP Server(OHS)
Version: 12.2.1.3
Configured Oracle HTTP Server(OHS) in standalone mode. Node manager is running perfectly. While starting "./startComponent.sh ohs1" i am getting the below error,
"""
javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
Error: Error occurred while performing nmConnect : Cannot connect to Node Manager. : Unrecognized SSL message, plaintext connection?
"""
The solution found in internet is to changing the SecureListener to false in Nodemanager properties file.
When i did that i got the below error,
"""
weblogic.nodemanager.NMConnectException: Connection refused (Connection refused). Could not connect to NodeManager. Check that it is running at localhost/XXX.0.X.X:XXXX.
Error: Error occurred while performing nmConnect : Cannot connect to Node Manager. : Connection refused (Connection refused). Could not connect to NodeManager. Check that it is running at localhost/XXX.0.X.X:XXXX.
"""
And the solution for this is Setting the SecureListener to true in node manager properties file.
I am confused. Can someone help in resolving these errors?
Installed Oracle Access Manager(OAM) and OHS on same machine, but installed OHS in Standalone mode in different folder. After that, uninstalled OHS and Installed OHS in the same folder where i installed OAM, It worked.
I am trying to connect to RabbitMQ with EasyNetQ.
RabbitMQ is on remote VM.
_rabbitBus = RabbitHutch.CreateBus(
string.Format("host={0};virtualhost={1}",
_hostSettings.Host, _hostSettings.VHost),
x => x.Register<IEasyNetQLogger>(l => _logger));
_rabbitBus.Subscribe<Message>(_topic, ReceiveMessage, m => m.WithTopic(_topic));
I get a TimeoutException The operation requested on PersistentChannel timed out..
Remote VM is replying to pings, ports 5672 and 15672 are opened (checked with nmap).
RabbitMQ management can be accessed from my host.
Also, if RabbitMQ is run on my local machine, it works fine.
I've tried connecting to RabbitMQ installed on my computer from other pc's in LAN, and it also works.
I've come to an assumption, that it's related to the fact it's on a virtual machine, and maybe there's something wrong in connection. But again, Rabbit's web management works fine.
Also tested on EasyNetQ Test application - works on localhost, but not on remote.
Output as following:
DEBUG: Trying to connect
ERROR: Failed to connect to Broker: '192.168.0.13', Port: 5672 VHost: '/'.
ExceptionMessage: 'None of the specified endpoints were reachable'
ERROR: Failed to connected to any Broker. Retrying in 5000 ms
EasyNetQ v0.28.4.242
As Mike suggested i had this and then checked the permissions. "guest" user can only connect via localhost (see RabbitMQ Access Control.) Try adding a user with permissions using the management interface and then connect as below
var _bus = RabbitHutch.CreateBus(string.Format("host={0};virtualhost={1};username={2};password={3}",
_hostSettings.Host, _hostSettings.VHost, _hostSettings.UserName, _hostSettings.Password));
Did you check your credentials. The default username and password is 'guest' and 'guest'. The error message is not very helpful. You get 'None of the specified endpoints were reachable' if there's an authentication error as well