I play the Jetty Websocket use example here : https://github.com/jetty-project/embedded-jetty-websocket-examples (i use native-jetty-websocket-example) I just move from websocketpp (C++) to Java Jetty Websocket and i just wonder is there any way for me to authen the connection before the connection move to th…
Tag: websocket
Spring boot with Stomp gives HttpMessageNotWritableException
I have been using spring boot with stomp server for websocket with sockjs as frontend library. Intermittently I get the following message in the logs. As far as I have read this occurs when wrong content type is recieved in controller. But this data comes in through websocket and all the data is made to strin…
How can I connect a Python websocket client to my Spring endpoint?
I’m new to Python and I’m trying to connect to a service that I currently have up running in Spring. On the server-side I have a custom Handshake handler in place by extending DefaultHandshakeHandler and overriding the determineUser method, where I then extract the user information. However, when …
OkHttp WebSocket RejectedExecutionException when try to restart
I have this client: And this methods for start and stop: Sometimes I want to restart the connection like this: But at start() I get this error: Answer The solution in my case was to create a new OkHttpClient and WebSocket every time when I want to restart.
Clean shutdown of Spring WebSockets STOMP client
A Spring WebSocket STOMP client sends a long to Spring WebSocket STOMP server that immediately returns the same value. When the client completes sending, it exits its main thread and the client terminates as expected. If I enable STOMP heartbeats: the client no longer exits the JVM when the client’s mai…
Java HttpHandler waiting for CompletableFuture
I got the following code The idea is that I make a call to another client for some information, wait for his response, and then present the data that has been received and processed. But i am looking for a way to avoid the need for Thread.sleep to avoid possible issues with other code in the system. Is there …
Handle disconnected peer WebSocket(Java) + STOMP + WebRTC
Currently, I have to involve in a project related to the P2P message call app. So generally on the client-side, I use the WebRTC’s API. And on the backend, beside letting 2 peers talk to each other, I need to handle the logic on each stage of the call, i.e. sending response messages to appropriate clien…
How should I persist a PanacheEntity with data coming from a Websocket message?
I’m trying to persist the following entity when receiving a message from the client via Websocket: The following persist works, when receiving a POST request: However, the following code freezes when it reaches the persist line. The message.getPenguin() method is returning an actual Penguin reference (t…
Android WebRTC DataChannel is always null and ICE candidates are not sent
I’m trying to create an Android app that uses WebRTC data channels for data exchange. The data that I want to send is basic strings. Admittedly, this is my first time looking at WebRTC, and so I am a …
Toast Message is not created when message received at Java Websocket server in Android
I am trying to create basic WebSocket server with this library. I want to make a toast message when a message is received. In onMessage() function below I have implemented that. But no toast message is happening. But Received message is printed on console. Answer I think you have to switch to the UI thread to…