vSphere web service sdk VMCreate SOAP Fault - InvalidRequestFault——2

Hi all :

when I run VMware-vSphere-SDK-5.0.0-429209\SDK\vsphere-ws\java\JAXWS\samples\com\vmware\vm\VMCreate.java

The followings happen . anyone can help me? thanks

Remark：-----------------------------------------------------------

I set the parameters as follewings

--url              [required] : url of the web service

--username         [required] : username for the authentication

--password         [required] : password for the authentication

--vmname           [required] : Name of the virtual machine

--datacentername   [required] : Name of the datacenter

--hostname         [required] : Name of the host

--guestosid        [optional] : Type of Guest OS

--cpucount         [optional] : Total cpu count

--disksize         [optional] : Size of the Disk

--memorysize       [optional] : Size of the Memory in 1024MB blocks

--datastorename    [optional] : Name of dataStore