#4393 [HHQ-4277] Older version of HQ agent pointing to HQ 4.5 serv

[Hyperic Team]

http://jira.hyperic.com/browse/HHQ-4277
Steps to reproduce

Install a older version of HQ agent (HQ 4.2 or HQ 4.3) pointing to HQ 4.5 server


Go to Resource Monitor page


Go to View tabs


Select ant commands (except cpuinfo and cpuperc)


Click Execute

Note:df,ifconfig ,netstat and top displays below error


"who" displays blank screen

Actual Results:

"Unable to deserialize agent data. You may need to update your agent." in UI


Server log error:

2010-09-03 12:41:35,524 WARN [pool-32-thread-1] [org.hyperic.hq.livedata.agent.client.LiveDataCommandsClientImpl@70] Unable to deserialize agent data. You may need to update your agent.


com.thoughtworks.xstream.mapper.CannotResolveClassException: org.hyperic.hq.plugin.system.IfconfigData : org.hyperic.hq.plugin.system.IfconfigData


        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:68)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:71)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:86)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:96)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)


        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:52)


        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)


        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:136)


        at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33)


        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:923)


        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:909)


        at com.thoughtworks.xstream.XStream.fromXML(XStream.java:853)


        at com.thoughtworks.xstream.XStream.fromXML(XStream.java:845)


        at org.hyperic.hq.livedata.shared.LiveDataResult.getObjectResult(LiveDataResult.java:78)


        at org.hyperic.hq.livedata.agent.client.LiveDataCommandsClientImpl.getData(LiveDataCommandsClientImpl.java:66)


        at org.hyperic.hq.livedata.server.session.LiveDataExecutor$LiveDataGatherer.run(LiveDataExecutor.java:97)


        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)


        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)


        at java.lang.Thread.run(Thread.java:619)