while executing this curl
curl -X POST H "Content-Type:application/json" -d '{"input":{"node":"pcc://39.39.39.39","name":"3_0101","network-topology-ref":"/network-topology:network-topology/network-topology:topology[network-topology:topology-id=\"pcep-topology\"]","arguments":{"lsp":

,"endpoints-obj":{"ipv4":{"source-ipv4-address":"39.39.39.39","destination-ipv4-address":"43.43.43.43"}},"ero":{"subobject":[{"loose":false,"ip-prefix":{"ip-prefix":"195.20.160.40/32"}},{"loose":false,"ip-prefix":{"ip-prefix":"201.20.160.43/32"}},{"loose":false,"ip-prefix":{"ip-prefix":"43.43.43.43/32"}}]}}}}' 127.0.0.1:8181/restconf/operations/network-topology-pcep:add-lsp

following exception was returned
java.lang.ClassCastException: org.opendaylight.controller.sal.restconf.impl.IdentityValuesDTO cannot be cast to java.lang.String\n\tat org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId$Broker$Codec$DOM.fromDomValue(NodeId$Broker$Codec$DOM.java)\n\tat org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspInput$Broker$Codec$DOM.fromDomStatic(AddLspInput$Broker$Codec$DOM.java)\n\tat org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspInput$Broker$Codec$DOM.deserialize(AddLspInput$Broker$Codec$DOM.java)\n\tat org.opendaylight.yangtools.sal.binding.generator.impl.LazyGeneratedCodecRegistry$DataContainerCodecImpl.deserialize(LazyGeneratedCodecRegistry.java:573)\n\tat org.opendaylight.yangtools.sal.binding.generator.impl.RuntimeGeneratedMappingServiceImpl.dataObjectFromDataDom(RuntimeGeneratedMappingServiceImpl.java:289)\n\tat org.opendaylight.yangtools.sal.binding.generator.impl.RuntimeGeneratedMappingServiceImpl.dataObjectFromDataDom(RuntimeGeneratedMappingServiceImpl.java:388)\n\tat org.opendaylight.controller.sal.binding.impl.connect.dom.RpcInvocationStrategy.uncheckedInvoke(RpcInvocationStrategy.java:129)\n\tat org.opendaylight.controller.sal.binding.impl.connect.dom.RpcInvocationStrategy.invokeOn(RpcInvocationStrategy.java:152)\n\tat org.opendaylight.controller.sal.binding.impl.connect.dom.DomToBindingRpcForwarder.invokeRpc(DomToBindingRpcForwarder.java:228)\n\tat org.opendaylight.controller.sal.dom.broker.impl.RoutedRpcSelector.invokeRpc(RoutedRpcSelector.java:84)\n\tat org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareRpcBroker.invokeRpc(SchemaAwareRpcBroker.java:179)\n\tat org.opendaylight.controller.sal.dom.broker.BrokerImpl.invokeRpcAsync(BrokerImpl.java:76)\n\tat org.opendaylight.controller.sal.dom.broker.ConsumerContextImpl.rpc(ConsumerContextImpl.java:48)\n\tat org.opendaylight.controller.sal.restconf.impl.BrokerFacade.invokeRpc(BrokerFacade.java:159)\n\tat org.opendaylight.controller.sal.restconf.rpc.impl.BrokerRpcExecutor.invokeRpcUnchecked(BrokerRpcExecutor.java:26)\n\tat org.opendaylight.controller.sal.restconf.rpc.impl.AbstractRpcExecutor.invokeRpc(AbstractRpcExecutor.java:35)\n\tat org.opendaylight.controller.sal.restconf.impl.RestconfImpl.callRpc(RestconfImpl.java:614)\n\tat org.opendaylight.controller.sal.restconf.impl.RestconfImpl.invokeRpc(RestconfImpl.java:460)\n\tat org.opendaylight.controller.sal.restconf.impl.StatisticsRestconfServiceWrapper.invokeRpc(StatisticsRestconfServiceWrapper.java:72)\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)\n\tat java.lang.reflect.Method.invoke(Unknown Source)\n\tat com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)\n\tat com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)\n\tat com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)\n\tat com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)\n\tat com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)\n\tat com.sun.jersey.server.impl.uri.rules.ResourceObjectRule.accept(ResourceObjectRule.java:100)\n\tat com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)\n\tat com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)\n\tat com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1511)\n\tat com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1442)\n\tat com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)\n\tat com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)\n\tat com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)\n\tat com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)\n\tat com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:668)\n\tat org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)\n\tat org.eclipse.jetty.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:247)\n\tat org.eclipse.jetty.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:210)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)\n\tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)\n\tat org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:69)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)\n\tat org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)\n\tat org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:240)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)\n\tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)\n\tat org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:77)\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)\n\tat org.eclipse.jetty.server.Server.handle(Server.java:370)\n\tat org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)\n\tat org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)\n\tat org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)\n\tat org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)\n\tat org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)\n\tat org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)\n\tat org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)\n\tat org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)\n\tat java.lang.Thread.run(Unknown Source)\n"