Programmatically creating VM from already created image using Java

Question

Hello.
I am writing a Java program to create VMs from already created VM images. I was able to create through the web portal.
I am using the API given here http://msdn.microsoft.com/en-us/library/jj157194.aspx
The request sent is
<?xml version="1.0" encoding="UTF-8"?>
<Deployment xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<Name>mltestdeploy</Name>
<DeploymentSlot>Production</DeploymentSlot>
<Label>ZGVwbG95bWVudF9tbHRlc3RkZXBsb3k=</Label>
<RoleList>
<Role>
<RoleName>mltesthost</RoleName>
  <RoleType>PersistentVMRole</RoleType>
<VMImageName>ml-centos-image</VMImageName>
</Role>
</RoleList>
</Deployment>
"ml-centos-name" is an existing image with that name and I have used this to create another VM from this image.
I have already created the required cloud service as required by this API.
I am getting error 400 with text as "Bad Request". This means some parameter is wrong.
Any help is very much appreciated.
-Siva

Answer 1

Now instead of the VMImageName, I used SourceImageName as given in the example.
The XML body now looks like
<Deployment xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<Name>mltestdeploy</Name>
<DeploymentSlot>Production</DeploymentSlot>
<Label>ZGVwbG95bWVudF9tbHRlc3RkZXBsb3k=</Label>
<RoleList>
<Role>
<RoleName>mltesthost</RoleName>
<RoleType>PersistentVMRole</RoleType>
<ConfigurationSets>
<ConfigurationSet i:type="LinuxProvisioningConfigurationSet">
<ConfigurationSetType>LinuxProvisioningConfiguration</ConfigurationSetType>
<HostName>mltesthost</HostName>
<UserName>mladmin</UserName>
<UserPassword>password</UserPassword>
<DisableSshPasswordAuthentication>false</DisableSshPasswordAuthentication>
</ConfigurationSet>
</ConfigurationSets>
<OSVirtualHardDisk>
<MediaLink>http://portalvhds7dplkth082kmh.blob.core.windows.net/vhds/1v5wpayu.pwl201404160535060424.vhd</MediaLink>
<SourceImageName>ml-centos-image</SourceImageName>
</OSVirtualHardDisk>
</Role>
</RoleList>
</Deployment>
Even now I get the same 'Bad Request' error.
Is there any way to find out which element is causing this Bad Request error? Thanks