If you’re using a StompBrokerRelay on the MessageBrokerRegistry, be careful with your dependencies:
If you’re using Spring Boot 1.2.x, you must have
<dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-net</artifactId> </dependency> |
on the classpath, in case of Spring Boot 1.3.x, which depends on Spring 4.2 which depends on Reactor 2, it must be
<dependency> <groupId>io.projectreactor</groupId> <artifactId>reactor-net</artifactId> </dependency> <dependency> <groupId>io.netty</groupId> <artifactId>netty-all</artifactId> <version>4.0.31.Final</version> </dependency> |
in addition to org.springframework:spring-messaging respectively org.springframework.boot:spring-boot-starter-websocket otherwise you’ll end with a bunch of missing class exceptions: reactor.io.encoding.Codec in case of 1.2 and reactor.o.codec.Codec in case of 1.3.
I find this pretty inconvenient and i wish the web socket starter would include them.
Edit: Andy was so kind opening an issue for that topic: https://github.com/spring-projects/spring-boot/issues/4522. Stomp Starter would be equally useful.
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