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From "Daan Hoogland (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-5890) Error while collecting disk stats from vm
Date Thu, 16 Jan 2014 23:47:24 GMT
Daan Hoogland created CLOUDSTACK-5890:
-----------------------------------------

             Summary: Error while collecting disk stats from vm
                 Key: CLOUDSTACK-5890
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5890
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server, XenServer
    Affects Versions: 4.2.1, 4.3.0
            Reporter: Daan Hoogland


"Error while collecting disk stats from" is thrown a lot of times.

2014-01-16 00:00:56,006 WARN  [xen.resource.CitrixResourceBase] (DirectAgent-137:null) Error
while collecting disk stats from :
You gave an invalid object reference.  The object may have recently been deleted.  The class
parameter gives the type of reference given, and the handle parameter echoes the bad value
given.
        at com.xensource.xenapi.Types.checkResponse(Types.java:209)
        at com.xensource.xenapi.Connection.dispatch(Connection.java:368)
        at com.cloud.hypervisor.xen.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:909)
        at com.xensource.xenapi.VBDMetrics.getIoReadKbs(VBDMetrics.java:210)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getVmStats(CitrixResourceBase.java:2791)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:2691)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:497)
        at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59)
        at com.cloud.agent.manager.DirectAgentAttache$Task.run(DirectAgentAttache.java:186)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)

xapi returns HANDLE_INVALID, after which the whole collection process for stops for this host
as it is caught outside the loop.



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