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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 18:20:36 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-7563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171306#comment-14171306
] 

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

Commit 4b8bfe26275f7eb6e98abe77849153eaa93e8205 in cloudstack's branch refs/heads/master from
[~minchen07]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=4b8bfe2 ]

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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