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https://issues.apache.org/jira/browse/CLOUDSTACK-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675863#comment-13675863
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ASF subversion and git services commented on CLOUDSTACK-2856:
-------------------------------------------------------------
Commit 15265479f644f2745804af456eef9767a7297f01 in branch refs/heads/master
from [~weizhou]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=1526547 ]
CLOUDSTACK-2856: collectVmDiskStatistics before reboot/stop/migrate
> NPE is seen when a guest vm is stopped first and then destroyed
> ---------------------------------------------------------------
>
> Key: CLOUDSTACK-2856
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2856
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.2.0
> Reporter: Abhinav Roy
> Assignee: Wei Zhou
> Fix For: 4.2.0
>
> Attachments: apilog.log, management-server.log
>
>
> Steps :
> ========================
> 1. Deploy a guest VM.
> 2. Stop the VM.
> 3. Destroy the VM.
> Expected behaviour :
> ========================
> 1. The VM should be successfully destroyed.
> Observed behaviour :
> =======================
> NPE is thrown when the VM is destroyed.
> 2013-06-05 17:03:49,778 DEBUG [cloud.async.AsyncJobManagerImpl]
> (catalina-exec-25:null) submit async job-52, details: AsyncJobVO {id:52,
> userId: 2, accountId: 2, sessionKey: null, instanceType: VirtualMachine,
> instanceId: 9, cmd: org.apache.cloudstack.api.command.user.vm.DestroyVMCmd,
> cmdOriginator: null, cmdInfo:
> {"response":"json","id":"cd351199-941e-4d66-b1c4-f31202d32b92","sessionkey":"1uDZqKxOwYgif6jtyJvQ+aQdIM0\u003d","ctxUserId":"2","httpmethod":"GET","_":"1370431837633","ctxAccountId":"2","ctxStartEventId":"194"},
> cmdVersion: 0, callbackType: 0, callbackAddress: null, status: 0,
> processStatus: 0, resultCode: 0, result: null, initMsid: 90310994128556,
> completeMsid: null, lastUpdated: null, lastPolled: null, created: null}
> 2013-06-05 17:03:49,780 DEBUG [cloud.api.ApiServlet] (catalina-exec-25:null)
> ===END=== 10.144.7.12 -- GET
> command=destroyVirtualMachine&id=cd351199-941e-4d66-b1c4-f31202d32b92&response=json&sessionkey=1uDZqKxOwYgif6jtyJvQ%2BaQdIM0%3D&_=1370431837633
> 2013-06-05 17:03:49,782 DEBUG [cloud.async.AsyncJobManagerImpl]
> (Job-Executor-25:job-52) Executing
> org.apache.cloudstack.api.command.user.vm.DestroyVMCmd for job-52
> 2013-06-05 17:03:49,812 ERROR [cloud.async.AsyncJobManagerImpl]
> (Job-Executor-25:job-52) Unexpected exception while executing
> org.apache.cloudstack.api.command.user.vm.DestroyVMCmd
> java.lang.NullPointerException
> at
> com.cloud.vm.UserVmManagerImpl.collectVmDiskStatistics(UserVmManagerImpl.java:3427)
> at
> com.cloud.vm.UserVmManagerImpl.destroyVm(UserVmManagerImpl.java:3383)
> at
> com.cloud.vm.UserVmManagerImpl.destroyVm(UserVmManagerImpl.java:1897)
> at
> com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
> at
> org.apache.cloudstack.api.command.user.vm.DestroyVMCmd.execute(DestroyVMCmd.java:100)
> at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:155)
> at
> com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:437)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:679)
> 2013-06-05 17:03:49,813 DEBUG [cloud.async.AsyncJobManagerImpl]
> (Job-Executor-25:job-52) Complete async job-52, jobStatus: 2, resultCode:
> 530, result: Error Code: 530 Error text: null
> 2013-06-05 17:03:51,443 DEBUG
> [network.router.VirtualNetworkApplianceManagerImpl]
> (RouterStatusMonitor-1:null) Found 5 routers to update status.
> NOTE :
> ======================
> This behaviour is not seen when the VM is destroyed directly without stopping
> it.
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