ReactiveRedisSessionRepository Block when creating new session

[realzero0]

java.util.UUID.randomUUID() is blocking

it might have to be changed to non-blocking way..

reactor/BlockHound#157

spring-session/spring-session-data-redis/src/main/java/org/springframework/session/data/redis/ReactiveRedisSessionRepository.java

Line 127 in 2d4233f

MapSession cached = new MapSession(this.sessionIdGenerator);

[quaff]

You can implement your own SessionIdGenerator after v3.2.0 released.

[quaff]

@marcusdacoregio You missed #2396