SLF4J(W): Class path contains multiple SLF4J providers. SLF4J(W): Found provider [org.slf4j.simple.SimpleServiceProvider@74fe5966] SLF4J(W): Found provider [ch.qos.logback.classic.spi.LogbackServiceProvider@4fe875be] SLF4J(W): See https://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J(I): Actual provider is of type [org.slf4j.simple.SimpleServiceProvider@74fe5966]