Mockito is currently self-attaching to enable the inline-mock-maker. This will no longer work in future releases of the JDK. Please add Mockito as an agent to your build what is described in Mockito's documentation: https://javadoc.io/doc/org.mockito/mockito-core/latest/org/mockito/Mockito.html#0.3 WARNING: A Java agent has been loaded dynamically (/tmp/r/net/bytebuddy/byte-buddy-agent/1.15.3/byte-buddy-agent-1.15.3.jar) WARNING: If a serviceability tool is in use, please run with -XX:+EnableDynamicAgentLoading to hide this warning WARNING: If a serviceability tool is not in use, please run with -Djdk.instrument.traceUsage for more information WARNING: Dynamic loading of agents will be disallowed by default in a future release Mockito is currently self-attaching to enable the inline-mock-maker. This will no longer work in future releases of the JDK. Please add Mockito as an agent to your build what is described in Mockito's documentation: https://javadoc.io/doc/org.mockito/mockito-core/latest/org/mockito/Mockito.html#0.3 07:57:59,781 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 07:57:59,785 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:57:59,798 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 07:57:59,799 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 07:57:59,857 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 07:57:59,857 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:57:59,858 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 07:57:59,858 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 07:58:01,96 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 07:58:01,97 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:58:01,111 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 07:58:01,111 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 07:58:01,208 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 07:58:01,209 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:58:01,211 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 07:58:01,211 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 07:58:01,290 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 07:58:01,290 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:58:01,292 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 07:58:01,292 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 07:58:01,365 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 07:58:01,365 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 07:58:01,367 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 07:58:01,367 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 07:58:01,377 AM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 07:58:01,377 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled