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https://issues.apache.org/jira/browse/CLOUDSTACK-9660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15882052#comment-15882052
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ASF GitHub Bot commented on CLOUDSTACK-9660:
--------------------------------------------
Github user koushik-das commented on the issue:
https://github.com/apache/cloudstack/pull/1825
@karuturi This can be merged
> NPE while destroying volumes during 1000 VMs deploy and destroy tests
> ---------------------------------------------------------------------
>
> Key: CLOUDSTACK-9660
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9660
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.10.0.0
> Reporter: Koushik Das
> Assignee: Koushik Das
> Fix For: 4.10.0.0
>
>
> Steps:
> 1. Install and configure a zone (advanced or basic).
> 2. Set config storage.cleanup.enabled = true and storage.cleanup.interval =
> 10 seconds
> 3. Deploy 1000 VMs and then destroy over multiple iterations.
> NPE seen in MS logs while deleting volume:
> 2015-06-18 16:27:47,797 DEBUG [c.c.v.VirtualMachineManagerImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Cleaning up hypervisor
> data structures (ex. SRs in XenServer) for managed storage
> 2015-06-18 16:27:47,799 DEBUG [o.a.c.e.o.VolumeOrchestrator]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Cleaning storage for vm:
> 2894
> 2015-06-18 16:27:47,823 INFO [o.a.c.s.v.VolumeServiceImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Expunge volume with no
> data store specified
> 2015-06-18 16:27:47,828 DEBUG [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Storage pool
> garbage collector found 0 templates to clean up in storage pool:
> XenRT-Zone-0-Pod-0-Cluster-0-Primary-Store-0
> 2015-06-18 16:27:47,828 INFO [o.a.c.s.v.VolumeServiceImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Volume 2894 is not
> referred anywhere, remove it from volumes table
> 2015-06-18 16:27:47,829 DEBUG [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Storage pool
> garbage collector found 0 templates to clean up in storage pool:
> XenRT-Zone-0-Pod-0-Cluster-1-Primary-Store-0
> 2015-06-18 16:27:47,832 DEBUG [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Secondary storage
> garbage collector found 0 templates to cleanup on template_store_ref for
> store: nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,833 DEBUG [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Secondary storage
> garbage collector found 0 snapshots to cleanup on snapshot_store_ref for
> store: nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,834 DEBUG [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Secondary storage
> garbage collector found 0 volumes to cleanup on volume_store_ref for store:
> nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,842 DEBUG [c.c.v.VirtualMachineManagerImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Expunged
> VM[User|i-10-2894-VM]
> 2015-06-18 16:27:47,844 WARN [c.c.s.StorageManagerImpl]
> (StorageManager-Scavenger-1:ctx-5e7b4eda) (logid:bb642325) Unable to destroy
> volume 0b22f54b-3242-49ef-b16d-1c7801d5c2bd
> java.lang.NullPointerException
> at
> org.apache.cloudstack.storage.volume.VolumeServiceImpl.expungeVolumeAsync(VolumeServiceImpl.java:276)
> at
> com.cloud.storage.StorageManagerImpl.cleanupStorage(StorageManagerImpl.java:1121)
> at
> com.cloud.storage.StorageManagerImpl$StorageGarbageCollector.runInContext(StorageManagerImpl.java:1481)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
> at java.util.concurrent.Executors$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$301(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> 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:722)
> 2015-06-18 16:27:47,850 DEBUG [c.c.u.AccountManagerImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Access granted to
> Acct[ed48b7f2-15a0-11e5-96dd-d275a7df156a-system] to Domain:1/ by
> AffinityGroupAccessChecker
> 2015-06-18 16:27:47,871 DEBUG [c.c.v.UserVmManagerImpl]
> (UserVm-Scavenger-1:ctx-5ecc886e) (logid:132e3ff8) Starting cleaning up vm
> VM[User|i-10-2894-VM] resources...
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