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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9796) Null Pointer Exception in VirtualMachineManagerImpl.java
Date Sun, 23 Apr 2017 04:05:04 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980247#comment-15980247
] 

ASF subversion and git services commented on CLOUDSTACK-9796:
-------------------------------------------------------------

Commit 91bfedd2c7ed7db86a5b1167bb955977da0f1817 in cloudstack's branch refs/heads/master from
[~nathanejohnson]
[ https://gitbox.apache.org/repos/asf?p=cloudstack.git;h=91bfedd ]

CLOUDSTACK-9796 - Fix NPE in VirtualMachineManagerImpl.java

This checks the work variable for NULL in all cases where it is
used.  Fixes CLOUDSTACK-9796.


> 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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