Graph service - not able to listen the service in redirect action

While passing source and destination node ID to graph service to find the shortest path, but service not able to listen the Node ID's.

Please find the log in below,

2016-01-26 01:27:53,241 | ERROR | pool-28-thread-1 | DOMNotificationRouterEvent | 138 - org.opendaylight.controller.sal-broker-impl - 1.3.0.SNAPSHOT | Delivery of notification org.opendaylight.controller.md.sal.binding.impl.LazySerializedDOMNotification@ffd1889 caused an error in listener org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationListenerAdapter@3155d292
java.lang.IllegalArgumentException: Specified source vertex Uri [_value=openflow:1] is not part of graph Vertices
Edges:
at edu.uci.ics.jung.algorithms.shortestpath.DijkstraShortestPath.getPath(DijkstraShortestPath.java:160)[279:org.opendaylight.controller.thirdparty.net.sf.jung2:2.0.1]
at edu.uci.ics.jung.algorithms.shortestpath.DijkstraShortestPath.getPath(DijkstraShortestPath.java:204)[279:org.opendaylight.controller.thirdparty.net.sf.jung2:2.0.1]
at org.opendaylight.nic.of.renderer.impl.NetworkGraphManager.getShortestPath(NetworkGraphManager.java:68)[280:org.opendaylight.nic.of-renderer:1.1.0.SNAPSHOT]
at org.opendaylight.nic.of.renderer.impl.RedirectFlowManager.generateRedirectFlows(RedirectFlowManager.java:256)[280:org.opendaylight.nic.of-renderer:1.1.0.SNAPSHOT]
at org.opendaylight.nic.of.renderer.impl.RedirectFlowManager.redirectFlowEntry(RedirectFlowManager.java:232)[280:org.opendaylight.nic.of-renderer:1.1.0.SNAPSHOT]
at org.opendaylight.nic.of.renderer.impl.RedirectFlowManager.addMacNodeToCache(RedirectFlowManager.java:442)[280:org.opendaylight.nic.of-renderer:1.1.0.SNAPSHOT]
at org.opendaylight.nic.of.renderer.impl.RedirectFlowManager.onPacketReceived(RedirectFlowManager.java:122)[280:org.opendaylight.nic.of-renderer:1.1.0.SNAPSHOT]
at org.opendaylight.yangtools.yang.binding.util.NotificationListenerInvoker.invokeNotification(NotificationListenerInvoker.java:91)[69:org.opendaylight.mdsal.yang-binding:0.8.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationListenerAdapter.onNotification(BindingDOMNotificationListenerAdapter.java:44)[140:org.opendaylight.controller.sal-binding-broker-impl:1.3.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouterEvent.deliverNotification(DOMNotificationRouterEvent.java:56)[138:org.opendaylight.controller.sal-broker-impl:1.3.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouter$1.onEvent(DOMNotificationRouter.java:68)[138:org.opendaylight.controller.sal-broker-impl:1.3.0.SNAPSHOT]
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouter$1.onEvent(DOMNotificationRouter.java:65)[138:org.opendaylight.controller.sal-broker-impl:1.3.0.SNAPSHOT]
at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:128)[135:com.lmax.disruptor:3.3.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[:1.7.0_40]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[:1.7.0_40]
at java.lang.Thread.run(Thread.java:724)[:1.7.0_40]