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 12:05:13,43 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:05:13,47 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:13,60 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 12:05:13,61 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 12:05:13,119 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:05:13,119 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:13,120 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 12:05:13,120 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 12:05:14,362 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:05:14,363 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:14,372 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:05:14,372 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:05:14,474 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:05:14,474 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:14,477 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:05:14,477 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:05:14,562 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:05:14,563 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:14,564 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:05:14,564 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 12:05:14,641 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 12:05:14,641 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 12:05:14,643 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 12:05:14,643 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 12:05:14,654 PM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 12:05:14,654 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled