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Date: Mon, 22 Jul 2013 13:52:49 +0000 (UTC)
From: "Wido den Hollander (JIRA)" <jira@apache.org>
To: cloudstack-issues@incubator.apache.org
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Subject: [jira] [Created] (CLOUDSTACK-3714) 4.2 KVM agent sends wrong
 StartupRoutingCommand to 4.1 management server
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Wido den Hollander created CLOUDSTACK-3714:
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             Summary: 4.2 KVM agent sends wrong StartupRoutingCommand to 4.1 management server
                 Key: CLOUDSTACK-3714
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3714
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: KVM
    Affects Versions: 4.2.0
         Environment: 4.2 agent with 4.1 management server
            Reporter: Wido den Hollander
             Fix For: 4.2.0


When the Agent starts it sends a StartupRoutingCommand to the management server, but this has changed it seems:

In 4.1 the Agent sends this JSON:

Sending Startup: Seq 4-0:  { Cmd , MgmtId: -1, via: 4, Ver: v1, Flags: 1, [{"StartupRoutingCommand":{

In 4.2 however the JSON data starts with:

Sending Startup: Seq 1-6:  { Cmd , MgmtId: -1, via: 1, Ver: v1, Flags: 1, [{"com.cloud.agent.api.StartupRoutingCommand":{

So the Agent sends the full name of the class and this confuses the Management server, it throws an Exception:

Caused by: com.cloud.utils.exception.CloudRuntimeException: can't find com.cloud.agent.api.com.cloud.agent.api.StartupRoutingCommand
	at com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:79)
	at com.cloud.agent.transport.ArrayTypeAdaptor.deserialize(ArrayTypeAdaptor.java:37)
	at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51)
	... 15 more

So it's searching for "com.cloud.agent.api.com.cloud.agent.api.StartupRoutingCommand" which obviously fails.

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