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https://issues.apache.org/jira/browse/CLOUDSTACK-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730205#comment-13730205
 ] 

Min Chen commented on CLOUDSTACK-3377:
--------------------------------------

If systemvm.iso is properly copied to xen host, restarting ssvm from cloudstack 
UI does not make ssvm pick up the latest systemvm jar, then somebody who is 
familiar with system vm start up script needs to take a look at this issue.
                
> Error seen when system vms are started and due to which template download is 
> not initiated : com.google.gson.JsonParseException: The JsonDeserializer 
> com.cloud.agent.transport.ArrayTypeAdaptor@697537aa failed to deserialize 
> json object 
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-3377
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3377
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Management Server, Upgrade
>    Affects Versions: 4.2.0
>            Reporter: Abhinav Roy
>            Priority: Blocker
>             Fix For: 4.2.0
>
>         Attachments: management-server.log
>
>
> Steps :
> ====================
> 1. Deploy an advanced zone setup with XenServer as host.
> Expected behaviour :
> ===================
> 1. Deployment should be successful and the system vms should be created and 
> started without any issue.
> Observed behaviour :
> ==================
> Though the system vms get started and are in running state, during the start 
> process the following error is thrown due to which the templates don't get 
> downloaded
> 013-07-05 11:52:03,688 ERROR [agent.transport.Request] 
> (AgentManager-Handler-8:null) Caught problem with 
> [{"StartupSecondaryStorageCommand":{"type":"SecondaryStorage","dataCenter":"1","pod":"1","guid":"s-1-VM-NfsSecondaryStorageResource","name":"s-1-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.11","publicNetmask":"255.255.252.0","publicMacAddress":"06:7a:80:00:00:15","privateIpAddress":"10.102.195.42","privateMacAddress":"06:2c:6e:00:00:0c","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.42","storageNetmask":"255.255.252.0","storageMacAddress":"06:2c:6e:00:00:0c","resourceName":"NfsSecondaryStorageResource","contextMap":{},"wait":0}}]
> com.google.gson.JsonParseException: The JsonDeserializer 
> com.cloud.agent.transport.ArrayTypeAdaptor@697537aa failed to deserialize 
> json object 
> [{"StartupSecondaryStorageCommand":{"type":"SecondaryStorage","dataCenter":"1","pod":"1","guid":"s-1-VM-NfsSecondaryStorageResource","name":"s-1-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.11","publicNetmask":"255.255.252.0","publicMacAddress":"06:7a:80:00:00:15","privateIpAddress":"10.102.195.42","privateMacAddress":"06:2c:6e:00:00:0c","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.42","storageNetmask":"255.255.252.0","storageMacAddress":"06:2c:6e:00:00:0c","resourceName":"NfsSecondaryStorageResource","contextMap":{},"wait":0}}]
>  given the type class [Lcom.cloud.agent.api.Command;
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
>         at 
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
>         at 
> com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
>         at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
>         at 
> com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
>         at 
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
>         at com.google.gson.Gson.fromJson(Gson.java:551)
>         at com.google.gson.Gson.fromJson(Gson.java:498)
>         at com.cloud.agent.transport.Request.getCommands(Request.java:235)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1196)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1349)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.cloud.utils.exception.CloudRuntimeException: can't find 
> StartupSecondaryStorageCommand
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:37)
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
>         ... 15 more
> 2013-07-05 11:52:03,692 WARN  [utils.nio.Task] (AgentManager-Handler-8:null) 
> Caught the following exception but pushing on
> com.google.gson.JsonParseException: The JsonDeserializer 
> com.cloud.agent.transport.ArrayTypeAdaptor@697537aa failed to deserialize 
> json object 
> [{"StartupSecondaryStorageCommand":{"type":"SecondaryStorage","dataCenter":"1","pod":"1","guid":"s-1-VM-NfsSecondaryStorageResource","name":"s-1-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.11","publicNetmask":"255.255.252.0","publicMacAddress":"06:7a:80:00:00:15","privateIpAddress":"10.102.195.42","privateMacAddress":"06:2c:6e:00:00:0c","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.42","storageNetmask":"255.255.252.0","storageMacAddress":"06:2c:6e:00:00:0c","resourceName":"NfsSecondaryStorageResource","contextMap":{},"wait":0}}]
>  given the type class [Lcom.cloud.agent.api.Command;
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
>         at 
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
>         at 
> com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
>         at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
>         at 
> com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
>         at 
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
>         at com.google.gson.Gson.fromJson(Gson.java:551)
>         at com.google.gson.Gson.fromJson(Gson.java:498)
>         at com.cloud.agent.transport.Request.getCommands(Request.java:235)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1196)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1349)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.cloud.utils.exception.CloudRuntimeException: can't find 
> StartupSecondaryStorageCommand
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:37)
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
>         ... 15 more
> 2013-07-05 11:52:04,640 ERROR [agent.transport.Request] 
> (AgentManager-Handler-10:null) Caught problem with 
> [{"StartupProxyCommand":{"proxyPort":80,"proxyVmId":2,"type":"ConsoleProxy","dataCenter":"1","pod":"1","guid":"Proxy.2-ConsoleProxyResource","name":"v-2-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.12","publicNetmask":"255.255.252.0","publicMacAddress":"06:28:92:00:00:16","privateIpAddress":"10.102.195.47","privateMacAddress":"06:be:38:00:00:11","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.47","storageNetmask":"255.255.252.0","storageMacAddress":"06:be:38:00:00:11","resourceName":"ConsoleProxyResource","contextMap":{},"wait":0}}]
> com.google.gson.JsonParseException: The JsonDeserializer 
> com.cloud.agent.transport.ArrayTypeAdaptor@697537aa failed to deserialize 
> json object 
> [{"StartupProxyCommand":{"proxyPort":80,"proxyVmId":2,"type":"ConsoleProxy","dataCenter":"1","pod":"1","guid":"Proxy.2-ConsoleProxyResource","name":"v-2-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.12","publicNetmask":"255.255.252.0","publicMacAddress":"06:28:92:00:00:16","privateIpAddress":"10.102.195.47","privateMacAddress":"06:be:38:00:00:11","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.47","storageNetmask":"255.255.252.0","storageMacAddress":"06:be:38:00:00:11","resourceName":"ConsoleProxyResource","contextMap":{},"wait":0}}]
>  given the type class [Lcom.cloud.agent.api.Command;
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
>         at 
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
>         at 
> com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
>         at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
>         at 
> com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
>         at 
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
>         at com.google.gson.Gson.fromJson(Gson.java:551)
>         at com.google.gson.Gson.fromJson(Gson.java:498)
>         at com.cloud.agent.transport.Request.getCommands(Request.java:235)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1196)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1349)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.cloud.utils.exception.CloudRuntimeException: can't find 
> StartupProxyCommand
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:37)
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
>         ... 15 more
> 2013-07-05 11:52:04,647 WARN  [utils.nio.Task] (AgentManager-Handler-10:null) 
> Caught the following exception but pushing on
> com.google.gson.JsonParseException: The JsonDeserializer 
> com.cloud.agent.transport.ArrayTypeAdaptor@697537aa failed to deserialize 
> json object 
> [{"StartupProxyCommand":{"proxyPort":80,"proxyVmId":2,"type":"ConsoleProxy","dataCenter":"1","pod":"1","guid":"Proxy.2-ConsoleProxyResource","name":"v-2-VM","version":"4.2.0-SNAPSHOT","iqn":"NoIqn","publicIpAddress":"10.102.195.12","publicNetmask":"255.255.252.0","publicMacAddress":"06:28:92:00:00:16","privateIpAddress":"10.102.195.47","privateMacAddress":"06:be:38:00:00:11","privateNetmask":"255.255.252.0","storageIpAddress":"10.102.195.47","storageNetmask":"255.255.252.0","storageMacAddress":"06:be:38:00:00:11","resourceName":"ConsoleProxyResource","contextMap":{},"wait":0}}]
>  given the type class [Lcom.cloud.agent.api.Command;
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64)
>         at 
> com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92)
>         at 
> com.google.gson.JsonDeserializationVisitor.visitUsingCustomHandler(JsonDeserializationVisitor.java:80)
>         at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:101)
>         at 
> com.google.gson.JsonDeserializationContextDefault.fromJsonArray(JsonDeserializationContextDefault.java:67)
>         at 
> com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:52)
>         at com.google.gson.Gson.fromJson(Gson.java:551)
>         at com.google.gson.Gson.fromJson(Gson.java:498)
>         at com.cloud.agent.transport.Request.getCommands(Request.java:235)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.processRequest(AgentManagerImpl.java:1196)
>         at 
> com.cloud.agent.manager.AgentManagerImpl$AgentHandler.doTask(AgentManagerImpl.java:1349)
>         at 
> com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler.doTask(ClusteredAgentManagerImpl.java:659)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.cloud.utils.exception.CloudRuntimeException: can't find 
> StartupProxyCommand
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:77)
>         at 
> com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:37)
>         at 
> com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
>         ... 15 more
> Workaround :
> ==============================
> 1. I tried removing the tags from the host and then restarting the MS, but it 
> didn't work and i still saw those errors.
> 2. Reboot the XenServer host, this works.
> NOTE : This is a RPM setup not Dev setup

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