Vertx Redis Client - PubSub command in connection-less mode not allowed

[sac10nikam]

Questions

I am migrating Vertx 3.9.7 to 4.3.2. I am using Vertx Redis Client APIs having publisher and subscriber pool. Post migration at runtime I am getting below given error.

PubSub command in connection-less mode not allowed

Version

4.3.2

Context

Migration from Vertx 3.9.7 to 4.3.2 along with other dependencies like Vertx Redis Client

Do you have a reproducer?

NA

Reproducers are very helpful for contributors and will likely help them fixing your bug faster.

NA

Steps to reproduce

NA

Extra

• Anything that can be relevant such as OS version, JVM version
• Java 17

[sac10nikam]

@pendula95 @jponge
Can you please guide here.

[sac10nikam]

I am referring
https://github.com/vert-x3/vertx-redis-client/blob/master/src/test/java/io/vertx/redis/client/test/RedisPubSubTest.java.

Would like to know publisher and subscriber way. Old Vertx version 3.9.7 has its own way of supporting the same with pool.