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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-7563) ClassCastException in VirtualMachineManagerImpl in handling various Agent command answer.
Date Tue, 14 Oct 2014 18:23:35 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-7563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171315#comment-14171315
] 

ASF subversion and git services commented on CLOUDSTACK-7563:
-------------------------------------------------------------

Commit e7fa3a29594eb748b201865dac3a85f8da024075 in cloudstack's branch refs/heads/4.5 from
[~minchen07]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=e7fa3a2 ]

CLOUDSTACK-7563: Fix potential NPE from FingBugs.


> ClassCastException in VirtualMachineManagerImpl in handling various Agent command answer.
> -----------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-7563
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7563
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.3.0
>            Reporter: Min Chen
>            Assignee: Min Chen
>            Priority: Critical
>             Fix For: 4.5.0
>
>
> irtualMachineManagerImpl has many methods directly cast the Answer received from AgentManager.send
or AgentManager.easySend to the expected Answer class in the normal case. This will throw
unhandled  ClassCastException in some unexcepted cases where host is down and agent is disconnected,
which will lead to cloud instability.



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