SLF4J(W): Class path contains multiple SLF4J providers. SLF4J(W): Found provider [org.slf4j.simpl.SimpleServiceProvider@6b7906b3] SLF4J(W): Found provider [org.slf4j.simple.SimpleServiceProvider@3a1dd365] SLF4J(W): See https://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J(I): Actual provider is of type [org.slf4j.simpl.SimpleServiceProvider@6b7906b3]