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 02:19:03,152 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 02:19:03,157 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:03,171 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 02:19:03,172 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 02:19:03,231 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 02:19:03,231 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:03,232 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 02:19:03,232 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 02:19:04,546 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 02:19:04,547 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:04,556 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 02:19:04,556 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 02:19:04,662 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 02:19:04,662 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:04,665 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 02:19:04,665 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 02:19:04,751 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 02:19:04,752 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:04,754 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 02:19:04,754 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 02:19:04,836 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 02:19:04,837 PM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 02:19:04,838 PM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 02:19:04,838 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 02:19:04,850 PM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 02:19:04,850 PM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled