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 09:16:23,231 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:16:23,236 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:23,248 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 09:16:23,248 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 09:16:23,304 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:16:23,304 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:23,305 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library cleaned successfully 09:16:23,305 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer stopped 09:16:24,613 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:16:24,614 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:24,622 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:16:24,623 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:16:24,724 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:16:24,724 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:24,727 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:16:24,727 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:16:24,812 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:16:24,813 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:24,814 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:16:24,814 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled 09:16:24,893 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library writer starting update to 1 09:16:24,894 AM [main] [DEBUG] YangLibraryWriter - Allocated new transaction chain 09:16:24,895 AM [main] [DEBUG] YangLibraryWriter - ietf-yang-library updated successfully 09:16:24,895 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state enabled 09:16:24,906 AM [main] [WARN] YangLibraryWriter - ietf-yang-library not present in context, skipping update 09:16:24,906 AM [main] [INFO] YangLibraryWriter - ietf-yang-library writer started with modules-state disabled