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 [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node} [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node} [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Failed to connect RemoteDeviceId[name=netconf-topology, address=/127.0.0.1:9999] after 2 attempts, not attempting [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node} [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node} [main] INFO org.opendaylight.netconf.common.impl.DefaultNetconfTimer - NETCONF timer started [main] INFO org.opendaylight.netconf.transport.tcp.NettyTransportSupport - Netty transport backed by java.nio [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node} [main] INFO org.opendaylight.netconf.shaded.sshd.common.util.security.bouncycastle.BouncyCastleSecurityProviderRegistrar - getOrCreateProvider(BC) created instance of org.bouncycastle.jce.provider.BouncyCastleProvider [main] INFO org.opendaylight.netconf.shaded.sshd.common.util.security.eddsa.EdDSASecurityProviderRegistrar - getOrCreateProvider(EdDSA) created instance of org.opendaylight.netconf.shaded.eddsa.EdDSASecurityProvider [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Failed to connect RemoteDeviceId[name=netconf-topology, address=/127.0.0.1:9999] after 1 attempts, not attempting [main] INFO org.opendaylight.netconf.topology.spi.NetconfNodeHandler - Adding keepalive facade, for device Uri{value=testing-node}