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 09:11:18,771 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:11:18,775 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:18,788 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 09:11:18,788 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 09:11:18,846 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:11:18,846 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:18,847 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 09:11:18,847 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 09:11:20,196 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:11:20,197 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:20,205 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:11:20,205 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:11:20,310 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:11:20,311 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:20,313 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:11:20,313 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:11:20,396 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:11:20,396 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:20,398 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:11:20,398 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:11:20,475 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:11:20,475 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:11:20,477 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:11:20,477 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:11:20,490 PM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 09:11:20,490 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled