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https://issues.apache.org/jira/browse/CLOUDSTACK-7642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208506#comment-14208506
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David Nalley commented on CLOUDSTACK-7642:
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[~devdeep] Is this still an issue? Any idea on timeline for a fix?
> [Upgrade]java.lang.ClassNotFoundException after upgrading to 4.5 from 4.3.0
> with Xenserver HV.
> ----------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-7642
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7642
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Upgrade
> Affects Versions: 4.5.0
> Environment: upgrade from 4.3.0 to 4.5 using Xen server 6.2
> Reporter: manasaveloori
> Assignee: Devdeep Singh
> Priority: Blocker
> Fix For: 4.5.0
>
> Attachments: management-server.rar, mysqldump4.5.rar,
> mysqldumpBeforeUp.rar
>
>
> 1. Deployed 4.3.0 CS with 1zone,1 pod,1cluster,2 Xen 6.2 HVs using 4.3.0
> build.
> 2. Registered the 4.5 template as "systemvm-xenserver-4.5"
> 3. Upgraded to 4.5 and started the MS.
> Observation:
> Observed the following exception in MS logs .Hosts went into disconnected
> stated.
> 2014-09-29 13:45:26,849 DEBUG [c.c.a.m.ClusteredAgentManagerImpl]
> (ClusteredAgentManager Timer:ctx-7b268e53) Loading directly connected host
> 1(Rack1Pod1Host29)
> 2014-09-29 13:45:26,851 WARN [c.c.r.DiscovererBase] (ClusteredAgentManager
> Timer:ctx-7b268e53) Unable to find class
> com.cloud.hypervisor.xen.resource.XenServer620Resource
> java.lang.ClassNotFoundException:
> com.cloud.hypervisor.xen.resource.XenServer620Resource
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484)
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:186)
> at
> com.cloud.resource.DiscovererBase.getResource(DiscovererBase.java:89)
> at
> com.cloud.resource.DiscovererBase.reloadResource(DiscovererBase.java:150)
> at
> com.cloud.agent.manager.AgentManagerImpl.loadDirectlyConnectedHost(AgentManagerImpl.java:680)
> at
> com.cloud.agent.manager.ClusteredAgentManagerImpl.scanDirectAgentToLoad(ClusteredAgentManagerImpl.java:219)
> at
> com.cloud.agent.manager.ClusteredAgentManagerImpl.runDirectAgentScanTimerTask(ClusteredAgentManagerImpl.java:185)
> at
> com.cloud.agent.manager.ClusteredAgentManagerImpl.access$100(ClusteredAgentManagerImpl.java:99)
> at
> com.cloud.agent.manager.ClusteredAgentManagerImpl$DirectAgentScanTimerTask.runInContext(ClusteredAgentManagerImpl.java:235)
> at
> org.apache.cloudstack.managed.context.ManagedContextTimerTask$1.runInContext(ManagedContextTimerTask.java:30)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
> at
> org.apache.cloudstack.managed.context.ManagedContextTimerTask.run(ManagedContextTimerTask.java:27)
> at java.util.TimerThread.mainLoop(Timer.java:555)
> at java.util.TimerThread.run(Timer.java:505)
> 2014-09-29 13:45:26,852 WARN [c.c.a.m.AgentManagerImpl]
> (ClusteredAgentManager Timer:ctx-7b268e53) Unable to load the resource: 1
> 2014-09-29 13:45:26,853 DEBUG [c.c.h.Status] (ClusteredAgentManager
> Timer:ctx-7b268e53) Transition:[Resource state = Enabled, Agent event =
> AgentDisconnected, Host id = 1, name = Rack1Pod1Host29]
> Attaching the dumps and logs.
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