Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
java.lang.NullPointerException: null
	at com.vmware.apps.nfv.ctrl.NFVAppController$RelSlice.getNamespace(NFVAppController.java:296)
	at com.vmware.apps.nfv.akka.NetworkSliceWorker$RelSlice.<init>(NetworkSliceWorker.java:341)
	at com.vmware.apps.nfv.akka.NetworkSliceWorker$BuySlice.lambda$new$0(NetworkSliceWorker.java:284)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at com.vmware.apps.nfv.akka.NetworkSliceWorker$BuySlice.<init>(NetworkSliceWorker.java:283)
	at com.vmware.apps.nfv.ctrl.NFVAppController.lambda$buySlices$0(NFVAppController.java:29)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at com.vmware.apps.nfv.ctrl.NFVAppController.buySlices(NFVAppController.java:28)
	at com.vmware.sb.apps.nfv.NFVAppResource.buySlices(NFVAppResource.java:38)