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https://issues.apache.org/jira/browse/CLOUDSTACK-9796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15875191#comment-15875191
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ASF GitHub Bot commented on CLOUDSTACK-9796:
--------------------------------------------
Github user GabrielBrascher commented on the issue:
https://github.com/apache/cloudstack/pull/1956
Thanks for the code that prevents NULL pointer exception.
Based on code revirew and that all checks have passed LGTM.
> Null Pointer Exception in VirtualMachineManagerImpl.java
> --------------------------------------------------------
>
> Key: CLOUDSTACK-9796
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9796
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.8.0, 4.9.0
> Environment: Cloudstack 4.8
> Reporter: Nathan Johnson
> Assignee: Nathan Johnson
> Priority: Minor
> Attachments: npelog.txt
>
>
> When a situation occurs where a VM hangs in the "Starting" state for longer
> than the job.expire.minutes, and the job is deleted from the system, a null
> pointer exception will occur because the work VO will be null inside of
> advanceStop in VirtualMachineManagerImpl.java . I have attached a snippet of
> a log file of this NPE occurring in the wild.
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