Prasanna Santhanam created CLOUDSTACK-5124:
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Summary: 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.)
Reporter: 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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