SLF4J(W): Class path contains multiple SLF4J providers. SLF4J(W): Found provider [org.slf4j.simpl.SimpleServiceProvider@555cf22] SLF4J(W): Found provider [org.slf4j.simple.SimpleServiceProvider@6bb2d00b] 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@555cf22] [main] INFO org.opendaylight.serviceutils.metrics.sample.MetricsExample - ThreadFactory created: cron