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 12:21:21,319 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:21:21,324 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:21,335 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 12:21:21,336 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 12:21:21,389 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:21:21,390 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:21,391 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 12:21:21,391 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 12:21:22,668 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:21:22,669 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:22,677 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:21:22,677 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:21:22,778 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:21:22,779 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:22,781 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:21:22,781 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:21:22,866 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:21:22,866 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:22,868 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:21:22,868 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:21:22,945 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:21:22,945 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:21:22,947 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:21:22,947 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:21:22,958 PM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 12:21:22,958 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled