[jira] [Closed] (CLOUDSTACK-5124) Simulator: Virtual Router fails to start because of improper version returned by GetDomRVersion

["Rohit Yadav (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-5124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rohit Yadav closed CLOUDSTACK-5124.
-----------------------------------
    Resolution: Not A Problem

> Simulator: Virtual Router fails to start because of improper version returned by GetDomRVersion
> -----------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-5124
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5124
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.3.0
>            Reporter: Prasanna Santhanam
>            Assignee: Prasanna Santhanam
>            Priority: Critical
>
> With the introduction of changes to allow older VRs (pre-4.2.0) to work with
> newer version of CloudStack we return some details as part of
> GetDomRVersionAnswer that result in failure of VR start in the simulator. The
> simulator returns a bare answer as below:
> GetDomRVersionAnswer:
> {"com.cloud.agent.api.GetDomRVersionAnswer":{"result":true,"wait":0}}
> Following exception is encountered:
> 2013-11-11 11:58:46,634 ERROR [c.c.v.VirtualMachineManagerImpl] (Job-Executor-12:ctx-400bddf7 ctx-fadf110f) Failed to start instance VM[User|a]
> java.lang.NullPointerException
>     at com.cloud.maint.Version.trimRouterVersion(Version.java:63)
>     at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.checkRouterVersion(VirtualNetworkApplianceManagerImpl.java:4070)
>     at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.sendCommandsToRouter(VirtualNetworkApplianceManagerImpl.java:3435)
>     at com.cloud.network.router.VirtualNetworkApplianceManagerImpl$7.execute(VirtualNetworkApplianceManagerImpl.java:2872)
>     at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyRules(VirtualNetworkApplianceManagerImpl.java:3721)
>     at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyDhcpEntry(VirtualNetworkApplianceManagerImpl.java:2864)
> This is corrected by returning the following answer:
> {"com.cloud.agent.api.GetDomRVersionAnswer":{"templateVersion":"CloudStack Release 4.2.0","scriptsVersion":"708eb2e4-f651-4d01-9ecc-0d61f62560cb","result":true,"wait":0}}
> The default version in the case of a real deployment is fetched from within the
> packaged VR. But since the simulator has no such notion, we'll return a default
> string of '4.2.0' to allow CloudStack to move on.



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