The warning

13:53:20,503 WARN  [org.jboss.as.controller] (ServerService Thread Pool – 25) WFLYCTL0481: The runtime dependency package 'io.smallrye.opentracing-contrib' is already registered at location '/subsystem=microprofile-opentracing-smallrye'
13:53:20,505 WARN  [org.jboss.as.controller] (ServerService Thread Pool – 25) WFLYCTL0481: The runtime dependency package 'io.smallrye.opentracing-contrib' is already registered at location '/subsystem=microprofile-opentracing-smallrye'

Occurs when the server is started at runtime and from Galleon tooling in admin mode.

That is caused by

https://github.com/wildfly/wildfly/blob/main/ee-9/source-transform/microprofile/opentracing-extension/src/main/java/org/wildfly/extension/microprofile/opentracing/Constants.java#L5

https://github.com/wildfly/wildfly/blob/main/microprofile/opentracing-extension/src/main/java/org/wildfly/extension/microprofile/opentracing/SubsystemDefinition.java#L68

https://github.com/wildfly/wildfly/blob/main/microprofile/opentracing-extension/src/main/java/org/wildfly/extension/microprofile/opentracing/SubsystemDefinition.java#L115