CLDB is going down by the command, "maprcli alarm raise"

We can kill the CLDB with this command:

$ maprcli alarm raise -alarm VOLUME_ALARM_QUOTA_EXCEEDED -entity node01

The following is the part of log, "/opt/mapr/logs/cldb.log".

2012-04-21 03:03:54,315 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: RPC: PROGRAMID: 2345 PROCEDUREID: 89 REQFROM: 192.168.xxx.xxx:42035 Exception during processing RPC null
java.lang.NullPointerException
        at com.mapr.fs.cldb.alarms.AlarmsUtil.updateAlarms(AlarmsUtil.java:137)
        at com.mapr.fs.cldb.CLDBServer.updateAlarms(CLDBServer.java:11454)
        at com.mapr.fs.cldb.CLDBServer.processRpc(CLDBServer.java:2822)
        at com.mapr.fs.cldb.CLDBServer.requestArrived(CLDBServer.java:1711)
        at com.mapr.fs.Rpc$RpcExecutor.run(Rpc.java:127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2012-04-21 03:03:54,318 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: Thread: TimerEventHandlerThread ID: 37
2012-04-21 03:03:54,318 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: java.lang.Object.wait(Native Method)
2012-04-21 03:03:54,318 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: java.lang.Object.wait(Object.java:485)
2012-04-21 03:03:54,318 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: com.mapr.fs.cldb.timer.TimerEvent$TimerEventHandlerThread.run(TimerEvent.java:109)
2012-04-21 03:03:54,318 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: java.lang.Thread.run(Thread.java:662)

    **** snip ****

2012-04-21 03:03:54,324 ERROR com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
2012-04-21 03:03:54,324 FATAL com.mapr.fs.cldb.CLDB [pool-1-thread-29]: CLDBShutdown: CldbError
2012-04-21 03:03:54,324 FATAL com.mapr.fs.cldb.CLDB [pool-1-thread-29]: CLDB Exception
java.lang.NullPointerException
        at com.mapr.fs.cldb.alarms.AlarmsUtil.updateAlarms(AlarmsUtil.java:137)
        at com.mapr.fs.cldb.CLDBServer.updateAlarms(CLDBServer.java:11454)
        at com.mapr.fs.cldb.CLDBServer.processRpc(CLDBServer.java:2822)
        at com.mapr.fs.cldb.CLDBServer.requestArrived(CLDBServer.java:1711)
        at com.mapr.fs.Rpc$RpcExecutor.run(Rpc.java:127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2012-04-21 03:03:54,325 INFO  com.mapr.fs.cldb.CLDBServer [pool-1-thread-29]: Shutdown: Stopping CLDB
2012-04-21 03:03:54,325 INFO  com.mapr.fs.cldb.CLDB [Thread-9]: CLDB ShutDown Hook called
2012-04-21 03:03:54,325 INFO  com.mapr.fs.cldb.zookeeper.ZooKeeperClient [Thread-9]: Zookeeper Client: Closing client connection: