NPE from StatisticsManager on sending initial flow request

2014-01-26 18:37:04.929 UTC [md-sal-binding-commit-0] ERROR o.o.c.m.s.manager.StatisticsProvider - Exception occured while sending statistics requests : {}
java.lang.NullPointerException: null
at org.opendaylight.controller.md.statistics.manager.StatisticsProvider.sendAllFlowsStatsFromAllTablesRequest(StatisticsProvider.java:339) ~[na:na]
at org.opendaylight.controller.md.statistics.manager.StatisticsProvider.sendStatisticsRequestsToNode(StatisticsProvider.java:298) ~[na:na]
at org.opendaylight.controller.md.statistics.manager.StatisticsUpdateHandler.onDataChanged(StatisticsUpdateHandler.java:74) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.publishDataChangeEvent(TwoPhaseCommit.java:131) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:97) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:31) ~[na:na]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) ~[na:1.7.0_25]
at java.util.concurrent.FutureTask.run(FutureTask.java:166) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_25]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_25]
at java.lang.Thread.run(Thread.java:724) ~[na:1.7.0_25]