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 01:10:09,344 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 01:10:09,348 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:09,362 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 01:10:09,363 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 01:10:09,422 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 01:10:09,423 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:09,424 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 01:10:09,424 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 01:10:10,715 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 01:10:10,716 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:10,727 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 01:10:10,727 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 01:10:10,831 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 01:10:10,831 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:10,834 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 01:10:10,834 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 01:10:10,919 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 01:10:10,919 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:10,921 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 01:10:10,921 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 01:10:10,995 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 01:10:10,995 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 01:10:10,997 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 01:10:10,997 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 01:10:11,8 PM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 01:10:11,8 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled