public void shutdown() {
        shutdownListener.onShutdown();
    }

    public void addShutdownListener(final ShutdownListener listener) {
        shutdownListener = listener;
    }

    public interface ShutdownListener {
        void onShutdown();
    }

						<networkaddress.cache.negative.ttl>-1</networkaddress.cache.negative.ttl>
					</systemPropertyVariables>
					<properties>
						<property>
							<name>listener</name>
							<value>jcifs.tests.PrintingRunListener</value>
						</property>
					</properties>
					<useSystemClassLoader>false</useSystemClassLoader>
				</configuration>
			</plugin>
			<plugin>