Hi
Please try this
@XmlType(name = "logMessage", namespace = "http://www.netapp.com/smai/Operation")
@XmlAccessorType(XmlAccessType.FIELD)
public class LogMessage {
    @XmlElement
     Date timestamp;
    @XmlElement
     LogLevel level;
    @XmlElement
     String thread;
    @XmlElement
    String location;
   
    @XmlElement
    String msgKeyClass;
    @XmlElement
    String msgKeyValue;
       
    @XmlElementWrapper(name = "parameters", nillable = true)
    @XmlElement(name = "parameter")
    List<String> parameters;
      
   
    @XmlElement
    protected String message;
   
    }
Also please post SMVI and virtualization related questions here
http://communities.netapp.com/community/products_and_solutions/virtualization
Regards
Amrita