Questions tagged [spring-websocket]
A Spring Framework module that support WebSocket-style messaging in web applications (native websocket and with SockJS support), including use of STOMP as an application level WebSocket sub-protocol.
spring-websocket
1,452
questions
104
votes
6
answers
86k
views
Sending message to specific user on Spring Websocket
How to send websocket message from server to specific user only?
My webapp has spring security setup and uses websocket. I'm encountering tricky problem trying to send message from server to specific ...
- 40.7k
98
votes
3
answers
36k
views
What are the pitfalls of using Websockets in place of RESTful HTTP?
I am currently working on a project that requires the client requesting a big job and sending it to the server. Then the server divides up the job and responds with an array of urls for the client to ...
- 10k
96
votes
4
answers
72k
views
How WebSocket server handles multiple incoming connection requests?
According to here:
The HTTP Upgrade header requests that the server switch the
application-layer protocol from HTTP to the WebSocket protocol.
The client handshake established a HTTP-on-TCP ...
- 63.1k
79
votes
3
answers
130k
views
Shall I use WebSocket on ports other than 80?
Shall I use WebSocket on non-80 ports? Does it ruin the whole purpose of using existing web/HTTP infrastructures? And I think it no longer fits the name WebSocket on non-80 ports.
If I use WebSocket ...
- 63.1k
49
votes
5
answers
30k
views
Does Spring @SubscribeMapping really subscribe the client to some topic?
I am using Spring Websocket with STOMP, Simple Message Broker.
In my @Controller I use method-level @SubscribeMapping, which should subscribe the client to a topic so that the client would receive the ...
- 1,634
46
votes
5
answers
40k
views
Spring WebSocket @SendToSession: send message to specific session
Is it possible to send a message to specific session?
I have an unauthenticated websocket between clients and a Spring servlet. I need to send an unsolicited message to a specific connection when an ...
- 9,265
45
votes
3
answers
27k
views
Where "user" comes from in convertAndSendToUser works in SockJS+Spring Websocket?
I would like to understand how convertAndSendToUser works in Spring SockJS+Websocket framework.
In client, we would connect as
stompClient.connect(login, password, callback())
which will result in ...
- 9,091
39
votes
6
answers
82k
views
I get a status 200 when connecting to the websocket, but it is an error?
My error shows up in the console of my browser:
"WebSocket connection to 'ws://localhost:32768/DspClusterWebServices/myHandler' failed: Unexpected response code: 200"
I am using Spring Websockets 4....
- 10k
37
votes
5
answers
51k
views
Spring WebSocket: Handshake failed due to invalid Upgrade header: null
I am using wss (secured web sockets) with spring from backend and STOMP for javascript client.
Does anyone knows why a get:
Handshake failed due to invalid Upgrade header: null
- 1,900
36
votes
2
answers
12k
views
How to reject topic subscription based on user rights with Spring-websocket
I'm implementing a version of the stock application where the server able to reject topic subscription for certain topic based on the user rights.
Is there a way in spring-websocket to do this?
For ...
- 969
36
votes
7
answers
38k
views
Disconnect client session from Spring websocket stomp server
I've searched quite a bit and been unable to find this: Is there a way that a spring websocket stomp server can disconnect a client based on the sessionId (or really based on anything at all)?
It ...
- 2,281
33
votes
3
answers
20k
views
Spring Websocket in a tomcat cluster
In our current application, we use Spring Websockets over STOMP. We are looking to scale horizontally. Are there any best practices on how we should handle websocket traffic over multiple tomcat ...
- 475
33
votes
2
answers
48k
views
How to send message to client through websocket using Spring
I try to use Spring with websocket. I started my investigation with this tutorial.
In my side client I have something like that to initialize the connection to the server :
function connect() {
...
- 2,326
32
votes
6
answers
39k
views
Spring Boot Websockets in Wildfly
Hi I need to deploy my Spring Boot app into Wildfly 8.1 and I'm getting the following exception:
Caused by: java.lang.RuntimeException: java.lang.ClassCastException: org.apache.tomcat.websocket....
- 421
31
votes
4
answers
14k
views
Connect with iOS and Android clients to SockJS Backend
I'm developing WebSocket messaging backend using Spring WebSockets, which uses SockJS + STOMP protocol. The reason why not to use plain WebSockets is because I will need to leverage security ...
- 16.7k
25
votes
3
answers
15k
views
Stomp.js is out of date and no longer maintained - which Stomp client to use with Spring Websockets?
I found it surprising that the current documentation for the Spring WebSocket Support directs users to use stomp.js for their client-side JavaScript implementation.
This project, on the ReadMe on it's ...
- 1,659
24
votes
1
answer
4k
views
Partial messages with SockJS in Spring-Websockets 4.2
I am using Spring-Websockets 4.2 with SockJS.
Since the messages received by clients can be quite large, I would like to use partial messages. My subclass of TextWebSocketHandler does override ...
- 241
23
votes
2
answers
43k
views
Error during WebSocket handshake: Unexpected response code: 403
I have implemented WebSockets with Spring Boot Application and have the below error message when trying to test the ws connection with the chrome extension 'Smart websocket client'.
However, I have ...
- 233
21
votes
1
answer
19k
views
Multiple rooms in Spring using STOMP
Is it possible to create rooms with STOMP and Spring 4? Socket.IO has rooms built in, so I'm wondering if Spring has this
My code at the moment:
@MessageMapping("/room/greet/{room}")
@SendTo("/room/{...
- 1,589
21
votes
3
answers
21k
views
Difference between /topic, /queue for SimpleMessageBroker in Spring Websocket + SockJS
Is there a clarification, what is the differences between /topic, /queue etc. for Spring Websocket + SockJS in case I am using "simple broker" ? E.g. here Sending message to specific user on Spring ...
- 9,091
21
votes
3
answers
10k
views
Sending images/files over Sockjs + Spring Websocket + Stomp
I am working on a messaging application using Spring websockets(STOMP as a sub-protocol) and Sockjs.
I should provide support to send files in messages.
According to this ticket, sockjs does not ...
- 5,000
20
votes
1
answer
3k
views
STOMP or XMPP - Over websocket
I am working on a project which involves real time chat (messaging, including group chats).
I have worked with websockets before, So I started working on this using spring-websockets and I did some ...
- 5,000
20
votes
1
answer
3k
views
Redirecting websocket communication from client to a server to another websocket server
I already have a SimpleBrokerWebsocket implementation. Now I am migrating towards microservices based architecture and trying to create messaging as a separate microservice.
To avoid breaking ...
- 336
20
votes
1
answer
16k
views
How to find all users subscribed to a topic in spring websockets
When making something like a chat application using Spring Websockets, it is useful to know who all is subscribed to any given topic. For, e.g. presence data displayed in the clients.
I know that I ...
- 1,188
19
votes
4
answers
21k
views
Spring Async issue when upgrading from 4.2.0.RC3 to 4.2.0.RELEASE
I've a web application using the spring(4.2.x) artifacts spring-webmvc, spring-messaging, spring-websocket
I've the below @Enable* annotations in my spring config java class
@EnableWebMvc
@...
- 249
19
votes
1
answer
2k
views
Connecting to Stomp over WebSockets implemented using Spring 4 from Java client
I received a Web application, implemented with Spring using STOMP over WebSockets Messaging, similar to what's described here (with RabbitMQ at the backend). It runs on Tomcat, and I can connect to ...
- 13.3k
18
votes
2
answers
34k
views
Spring websocket send to specific people
I have added custom token based authentication for my spring-web app and extending the same for spring websocket as shown below
public class WebSocketConfig extends ...
- 1,679
18
votes
3
answers
21k
views
Spring 4 websocket without STOMP,socketjs
I am trying to test websocket without using socketjs library and also i don't want to add any stomp connection.
I am following the example from stackoverflow question:
WebSocket with Sockjs & ...
- 326
17
votes
5
answers
16k
views
Spring Websockets @SendToUser without login?
I have a simple spring application with websocket functionality and everything works so far.
Now I want to send a message from my server to a specific client using the @SendToUser annotation. This ...
- 491
17
votes
2
answers
16k
views
Send Notification to specific user in spring boot websocket
I want to send notification to specific client.
e.g username user
@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfiguration extends
...
- 587
17
votes
2
answers
24k
views
Spring websocket getting 404 not found
I am trying to create an websocket endpoint with spring. But Whenever I am trying to connect from the client end, I get 404. I also have an Java implementation with
@ServerEndpoint(value = "/...
- 2,479
17
votes
2
answers
7k
views
Spring websocket (WSS) with angular sockjs (HTTPS) over secure web socket server (tomcat)
I'm working on sending messages from the server side to angular client application using Spring web socket + stomp + SockJsClient at server side and SockJS at the angular side.
My Socket server is a ...
- 173
17
votes
1
answer
5k
views
Spring Security with WebSockets - Forbidden 403
I have implemented WebSocket in Spring. Everything worked fine, but recently I decided to implement Spring Security.
My MessageBroker looks like :
@Configuration
@EnableWebSocketMessageBroker
@...
- 728
16
votes
3
answers
17k
views
Spring STOMP over WebSockets not scheduling heartbeats
We have a Spring over WebSockets connection that we're passing a CONNECT frame:
CONNECT\naccept-version:1.2\nheart-beat:10000,10000\n\n\u0000
Which the handler acknowledges, starts a new session, ...
- 4,308
16
votes
2
answers
7k
views
Webflux websocketclient, How to send multiple requests in same session[design client library]
TL;DR;
We are trying to design a WebSocket server using spring webflux WebSocket implementation. The server has usual HTTP server operations e.g. create/fetch/update/fetchall. Using WebSockets we ...
- 25.6k
16
votes
1
answer
5k
views
How to call @SendTo from Normal Request Call i.e @RequestMapping
I have implemented Web Socket using Spring MVC and it is working fine for me i.e work from one browser to another browser which is open for those socket using this code.
@MessageMapping("/hello")
...
- 3,076
16
votes
1
answer
10k
views
Spring Stomp @SubscribeMapping("/user/...") with User Destination doesn't work
I need to react on a user destination subscription.
Example:
A user subscribes to /user/messages, because he wants to receive all incoming messages. Now I'd like to look up any messages for this ...
- 24.2k
16
votes
2
answers
15k
views
Is it possible to send binary data with STOMP over WebSockets using Spring-WebSockets?
I am able to send and receive JSON with STOMP over WebSockets following spring documentation. However performance is poor at large high rates, so I wish to profile the use of binary messages.
Spring-...
- 36.3k
16
votes
2
answers
13k
views
How to send ERROR message to STOMP clients with Spring WebSocket?
I am using Spring's STOMP over WebSocket implementation with a full-featured ActiveMQ broker. When users SUBSCRIBE to a topic, there is some permissions logic that they must pass through before being ...
- 669
16
votes
2
answers
18k
views
How to get/set the principal and session attributes from Spring 4 stomp websocket methods
I'm doing experiments with Spring 4 websockets and stomp, and I have a hard time figuring out how to get/set the current user and other session attributes in a message handling method annotated with @...
- 685k
15
votes
2
answers
4k
views
Replying multiple times over web-socket without spring authentication
Note: see update at the bottom of the question for what I eventually concluded.
I need to send multiple responses to a request over the web socket that sent the request message, the first one quickly,...
- 1,697
14
votes
3
answers
17k
views
WebSocketStompClient won't connect to SockJS endpoint
I'm playing around with the new (as of version 4.2) java STOMP client support. My starting point is the getting started guide (Using WebSocket to build an interactive web application).
The following ...
- 557
14
votes
1
answer
4k
views
Handle the same URL with Spring MVC RequestMappingHandlerMapping and Spring Websocket's ServletWebSocketHandlerRegistry
What do I want to have:
Client sends GET / HTTP/1.1(without Connection: upgrade) - this request should be handled by RequestMappingHandlerMapping
Client sends Connection: upgrade along with GET ...
- 5,078
13
votes
3
answers
28k
views
How to get Session Id in Spring WebSocketStompClient?
How to get session id in Java Spring WebSocketStompClient?
I have WebSocketStompClient and StompSessionHandlerAdapter, which instances connect fine to websocket on my server. WebSocketStompClient use ...
- 1,067
13
votes
5
answers
16k
views
How to increase output buffer for spring sockjs websocket server implementation
I have used spring implementation of sockjs websocket server and unable to transmit message over 8KB, following is the error
2014-02-12 19:36:29,990 - org.springframework.web.socket.sockjs.transport....
- 1,261
13
votes
3
answers
9k
views
Spring boot Websocket without SockJS
I have been struggling with this for at least two weeks now. I'm pretty new to websockets. I have good experience with rest endpoints.
My use case is simple. Client initiates a websocket connection ...
- 405
13
votes
3
answers
14k
views
How to send custom message to custom user with spring websocket?
I'm new to spring websocket. I want to send product changes to clients. For this, I want to do it as follows:
Client creates a socket connection and subscribes destination:
var socket = new SockJS('/...
- 1,684
13
votes
1
answer
12k
views
Why does sockJS add a '/info' to a given websocket url path
I want to open a websocket port with a "webapp/socket.do" path. When I use SockJS and try to initiate the call by code
var socket = new SockJS('/webapp/socket.do');
stompClient = Stomp.over(...
- 749
13
votes
2
answers
7k
views
SockJS Python Client
I have a website (Java + Spring) that relies on Websockets (Stomp over Websockets for Spring + RabbitMQ + SockJS) for some functionality.
We are creating a command line interface based in Python and ...
- 6,346
13
votes
1
answer
3k
views
STOMP vs WAMP over Spring-WebSockets
I am currently working on a project that needs to work with WebSockets.
The clients will be the browsers only, so not interested in any message broker feature of these two.
Although I don't think ...
- 2,065