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 ...

I am configuring Websockets in Spring basically by following the guide provided in the documentation. I am currently trying to send a message from the server to the client as explained in the section ...

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 ...

I have implemented WebSocket in Spring. Everything worked fine, but recently I decided to implement Spring Security. My MessageBroker looks like : @Configuration @EnableWebSocketMessageBroker @...

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 ...

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 @...

I'm using spring-cloud-aws-messaging in a Spring Boot project. I have SQS queue created manually in AWS. It is being used like: @SqsListener("${sqs.name.incoming}") public void listen(String message)...

Summary I would like to implement websocket communication over STOMP. Authenticate The user in the time of the first (HTTP request) websocket handshake and use this Principal for authorizing ...

Ours is a Spring-Boot based application. For integration with AWS SNS and SQS, we have couple of options: Use Spring-Cloud-AWS Use AWS-SDK-Java 2 I wanted to know if there is any advantage in using ...

Question Is there a way to globally handle Spring Messaging MessageDeliveryException caused by error (usualy insufficient authorities) in Spring WebSocket module? Use case I have implemented Spring ...

I need to write chat. But I have a problem, I can't trigger MessageMapping controller. App contains of 2 parts, front-end which runs on 4200 port and back-end which is running on 8080 port. I have set ...

I'm developing a realtime notification system in Spring 4 by using a build-in Message Broker, and STOMP over WebSocket. I would like to be able to send messages to a specific user, according with his ...

Currently, I am trying to use STOMP with websockets using webflux. In order to send a message to a STOMP topic, I need to use SimpMessagingTemplate, which is contributed by spring boot auto ...

I am using SimpUserRegistry to get online user-count (with getUserCount()). And it is working good on my local machines but not on AWS EC2 instances (tried with Amazon Linux and Ubuntu) with just ...

I am using spring-websocket and spring-messaging (version 4.2.2.RELEASE) to implement STOMP over websockets with a fully-featured broker (Apache ActiveMQ 5.10.0). My clients are meant to SUBSCRIBE to ...