Why not all dependencies in some mvn repositories?

Question

Java

For example, spring-data-redis 2.0.2.RELEASE requires libraries from redis.clients jedis to work, but spring-data-redis does not have this dependency. Why? What to do? How to be?

Answer 1

but spring-data-redis does not have this dependency

huh huh ?!
Also, the title doesn't match the content.