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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8829) Consecutive cold migration fails
Date Sat, 20 Feb 2016 23:39:18 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15155813#comment-15155813
] 

ASF GitHub Bot commented on CLOUDSTACK-8829:
--------------------------------------------

Github user GabrielBrascher commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/797#discussion_r53559299
  
    --- Diff: engine/orchestration/src/com/cloud/vm/VirtualMachineManagerImpl.java ---
    @@ -1776,19 +1773,26 @@ private void orchestrateStorageMigration(final String vmUuid,
final StoragePool
                     // If VM was cold migrated between clusters belonging to two different
VMware DCs,
                     // unregister the VM from the source host and cleanup the associated
VM files.
                     if (vm.getHypervisorType().equals(HypervisorType.VMware)) {
    +                    Long srcClusterId = null;
    +                    Long srcHostId = vm.getHostId() != null ? vm.getHostId() : vm.getLastHostId();
    +                    if (srcHostId != null) {
    +                        HostVO srcHost = _hostDao.findById(srcHostId);
    --- End diff --
    
    @alexandrelimassantana I don't see any problem with that **if** (line 1778). Both variables
(**srcHostId** and **srcClusterId**) are used.
    
    The conditional at the line 1784 uses **srcClusterId**.
    
    The method at line 1793 sends the **UnregisterVMCommand** to a given host with the **srcHostId**.


> Consecutive cold migration fails
> --------------------------------
>
>                 Key: CLOUDSTACK-8829
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8829
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Maneesha
>            Assignee: Maneesha
>
> The following scenario is broken:
> 1.	Deploy VM and stop it
> 2.	Migrate stopped VM to a different primary storage pool
> 3.	Again migrate the same VM to another/same storage pool. Fails with NPE.
> java.lang.NullPointerException
>         at com.cloud.vm.VirtualMachineManagerImpl.orchestrateStorageMigration(VirtualMachineManagerImpl.java:1745)
>         at com.cloud.vm.VirtualMachineManagerImpl.orchestrateStorageMigration(VirtualMachineManagerImpl.java:4716)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at com.cloud.vm.VmWorkJobHandlerProxy.handleVmWorkJob(VmWorkJobHandlerProxy.java:107)
>         at com.cloud.vm.VirtualMachineManagerImpl.handleVmWorkJob(VirtualMachineManagerImpl.java:4723)
>         at com.cloud.vm.VmWorkJobDispatcher.runJob(VmWorkJobDispatcher.java:103)



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