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From "Wei Zhou (JIRA)" <>
Subject [jira] [Created] (CLOUDSTACK-5293) Error while collecting vm disk stats from hosts if iso is attached to vm
Date Wed, 27 Nov 2013 13:26:35 GMT
Wei Zhou created CLOUDSTACK-5293:

             Summary:  Error while collecting vm disk stats from hosts if iso is attached
to vm
                 Key: CLOUDSTACK-5293
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
    Affects Versions: 4.2.0, 4.3.0
            Reporter: Wei Zhou
            Assignee: Wei Zhou
             Fix For: 4.2.1, 4.3.0

if iso is attached to vm, there is an  Error while collecting vm disk stats from hosts.

2013-11-27 00:00:09,371 DEBUG [agent.transport.Request] (StatsCollector-3:null) Seq 1-1451690452:
Received:  { Ans: , MgmtId: 345051528835, via: 1, Ver: v1, Flags: 10, { GetVmDiskStatsAnswer
} }
2013-11-27 00:00:09,372 DEBUG [agent.manager.AgentManagerImpl] (StatsCollector-3:null) Details
from executing class
2013-11-27 00:00:09,398 WARN  [cloud.server.StatsCollector] (StatsCollector-3:null) Error
while collecting vm disk stats from hosts
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
        at java.util.ArrayList.rangeCheck(
        at java.util.ArrayList.get(
        at java.util.concurrent.Executors$
        at java.util.concurrent.FutureTask$Sync.innerRunAndReset(
        at java.util.concurrent.FutureTask.runAndReset(
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(
        at java.util.concurrent.ScheduledThreadPoolExecutor$
        at java.util.concurrent.ThreadPoolExecutor.runWorker(
        at java.util.concurrent.ThreadPoolExecutor$
2013-11-27 00:00:09,400 DEBUG [db.Transaction.Transaction] (StatsCollector-3:null) Rolling
back the transaction: Time = 308 Name =  -StatsCollector$$$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$$;
called by -Transaction.rollback:897-Transaction.removeUpTo:840-Transaction.close:664-StatsCollector$$$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$$

after added some debug code, This happened when statscollecter want to collect data from iso.

2013-11-27 14:15:31,662 DEBUG [cloud.server.StatsCollector] (StatsCollector-3:null) path =
2013-11-27 14:15:31,662 DEBUG [cloud.server.StatsCollector] (StatsCollector-3:null) vmId =

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