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https://issues.apache.org/jira/browse/CLOUDSTACK-5293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei Zhou resolved CLOUDSTACK-5293.
----------------------------------
Resolution: Fixed
> Error while collecting vm disk stats from hosts if iso is attached to vm
> -------------------------------------------------------------------------
>
> Key: CLOUDSTACK-5293
> URL: https://issues.apache.org/jira/browse/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
> com.cloud.agent.api.GetVmDiskStatsCommand:
> 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(ArrayList.java:571)
> at java.util.ArrayList.get(ArrayList.java:349)
> at
> com.cloud.server.StatsCollector$VmDiskStatsTask.run(StatsCollector.java:474)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:165)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:267)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:679)
> 2013-11-27 00:00:09,400 DEBUG [db.Transaction.Transaction]
> (StatsCollector-3:null) Rolling back the transaction: Time = 308 Name =
> -StatsCollector$VmDiskStatsTask.run:441-Executors$RunnableAdapter.call:471-FutureTask$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$ScheduledFutureTask.run:267-ThreadPoolExecutor.runWorker:1146-ThreadPoolExecutor$Worker.run:615-Thread.run:679;
> called by
> -Transaction.rollback:897-Transaction.removeUpTo:840-Transaction.close:664-StatsCollector$VmDiskStatsTask.run:554-Executors$RunnableAdapter.call:471-FutureTask$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$ScheduledFutureTask.run:267-ThreadPoolExecutor.runWorker:1146-ThreadPoolExecutor$Worker.run:615-Thread.run:679
> 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 = 204-2-1bcedaea-51c2-314c-a7c6-c39dd4f0dc8e.iso
> 2013-11-27 14:15:31,662 DEBUG [cloud.server.StatsCollector]
> (StatsCollector-3:null) vmId = 51
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