Github user ustcweizhou commented on the pull request:
https://github.com/apache/cloudstack/pull/1073#issuecomment-161242475
today one of my nodes was rebooted unexpectedly, I got the same error
2015-12-02 09:59:53,224 ERROR [c.c.n.r.VirtualNetworkApplianceManagerImpl]
(RedundantRouterStatusMonitor-9:ctx-417ced5f) Fail to complete the
RvRStatusUpdateTask!
java.lang.NullPointerException
at
com.cloud.network.router.VirtualNetworkApplianceManagerImpl.updateRoutersRedundantState(VirtualNetworkApplianceManagerImpl.java:1019)
at
com.cloud.network.router.VirtualNetworkApplianceManagerImpl$RvRStatusUpdateTask.runInContext(VirtualNetworkApplianceManagerImpl.java:1201)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
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