correct usage of logging, missing parameters

Signed-off-by: Michael Hirsch <michael.hirsch@bosch-si.com>

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/AmqpMessageHandlerService.java

@@ -166,7 +166,7 @@ public class AmqpMessageHandlerService extends BaseAmqpService {
             final LocalArtifact localArtifact = findLocalArtifactByFileResource(fileResource);
 
             if (localArtifact == null) {
-                LOG.info("target {} requested file resource which does not exists to download",
+                LOG.info("target {} requested file resource {} which does not exists to download",
                         secruityToken.getControllerId(), fileResource);
                 throw new EntityNotFoundException();
             }