Request:
<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"><env:Body><RetrieveProperties xmlns="urn:vim25"><_this type="PropertyCollector">propertyCollector</_this><specSet xsi:type="PropertyFilterSpec"><propSet xsi:type="PropertySpec"><type>Folder</type><pathSet>name</pathSet><pathSet>parent</pathSet></propSet><propSet xsi:type="PropertySpec"><type>ClusterComputeResource</type><pathSet>name</pathSet><pathSet>parent</pathSet></propSet><objectSet xsi:type="ObjectSpec"><obj type="Folder">group-d1</obj><skip>0</skip><selectSet xsi:type="TraversalSpec"><name>tsFolder</name><type>Folder</type><path>childEntity</path><skip>0</skip><selectSet xsi:type="SelectionSpec"><name>tsFolder</name></selectSet><selectSet xsi:type="SelectionSpec"><name>tsDatacenterHostFolder</name></selectSet><selectSet xsi:type="SelectionSpec"><name>tsClusterHost</name></selectSet></selectSet><selectSet xsi:type="TraversalSpec"><name>tsDatacenterHostFolder</name><type>Datacenter</type><path>hostFolder</path><skip>0</skip><selectSet xsi:type="SelectionSpec"><name>tsFolder</name></selectSet></selectSet><selectSet xsi:type="TraversalSpec"><name>tsClusterHost</name><type>ClusterComputeResource</type><path>host</path><skip>0</skip></selectSet></objectSet></specSet></RetrieveProperties></env:Body></env:Envelope>

Response (in 0.027 s)
<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soapenv:Body>
<RetrievePropertiesResponse xmlns="urn:vim25"><returnval><obj type="Folder">group-d1</obj><propSet><name>name</name><val xsi:type="xsd:string">Datacenters</val></propSet></returnval><returnval><obj type="Folder">group-h4</obj><propSet><name>name</name><val xsi:type="xsd:string">host</val></propSet><propSet><name>parent</name><val type="Datacenter" xsi:type="ManagedObjectReference">datacenter-2</val></propSet></returnval><returnval><obj type="ClusterComputeResource">domain-c788</obj><propSet><name>name</name><val xsi:type="xsd:string">ZBX</val></propSet><propSet><name>parent</name><val type="Folder" xsi:type="ManagedObjectReference">group-h4</val></propSet></returnval><returnval><obj type="ClusterComputeResource">domain-c7</obj><propSet><name>name</name><val xsi:type="xsd:string">CL01</val></propSet><propSet><name>parent</name><val type="Folder" xsi:type="ManagedObjectReference">group-h4</val></propSet></returnval><returnval><obj type="Folder">group-h12429</obj><propSet><name>name</name><val xsi:type="xsd:string">test</val></propSet><propSet><name>parent</name><val type="Folder" xsi:type="ManagedObjectReference">group-h4</val></propSet></returnval></RetrievePropertiesResponse>
</soapenv:Body>
</soapenv:Envelope>

["node",
 #(Element:0x3fa0820573fc {
   name = "returnval",
   namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
   children = [
     #(Element:0x3fa082055b38 {
       name = "obj",
       namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
       attributes = [
         #(Attr:0x3fa082055714 { name = "type", value = "Folder" })],
       children = [ #(Text "group-d1")]
       }),
     #(Element:0x3fa082053d10 {
       name = "propSet",
       namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
       children = [
         #(Element:0x3fa082052a14 {
           name = "name",
           namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
           children = [ #(Text "name")]
           }),
         #(Element:0x3fa08205177c {
           name = "val",
           namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
           attributes = [
             #(Attr:0x3fa0820510ec {
               name = "type",
               namespace = #(Namespace:0x3fa0820586a8 {
                 prefix = "xsi",
                 href = "http://www.w3.org/2001/XMLSchema-instance"
                 }),
               value = "xsd:string"
               })],
           children = [ #(Text "Datacenters")]
           })]
       })]
   })]
["type", "ObjectContent"]
["node",
 #(Element:0x3fa082055b38 {
   name = "obj",
   namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
   attributes = [ #(Attr:0x3fa082055714 { name = "type", value = "Folder" })],
   children = [ #(Text "group-d1")]
   })]
["type", "ManagedObject"]
["node",
 #(Element:0x3fa082053d10 {
   name = "propSet",
   namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
   children = [
     #(Element:0x3fa082052a14 {
       name = "name",
       namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
       children = [ #(Text "name")]
       }),
     #(Element:0x3fa08205177c {
       name = "val",
       namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
       attributes = [
         #(Attr:0x3fa0820510ec {
           name = "type",
           namespace = #(Namespace:0x3fa0820586a8 {
             prefix = "xsi",
             href = "http://www.w3.org/2001/XMLSchema-instance"
             }),
           value = "xsd:string"
           })],
       children = [ #(Text "Datacenters")]
       })]
   })]
["type", "DynamicProperty"]
["node",
 #(Element:0x3fa082052a14 {
   name = "name",
   namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
   children = [ #(Text "name")]
   })]
["type", "PropertyPath"]
["node",
 #(Element:0x3fa08205177c {
   name = "val",
   namespace = #(Namespace:0x3fa0820568a8 { href = "urn:vim25" }),
   attributes = [
     #(Attr:0x3fa0820510ec {
       name = "type",
       namespace = #(Namespace:0x3fa0820586a8 {
         prefix = "xsi",
         href = "http://www.w3.org/2001/XMLSchema-instance"
         }),
       value = "xsd:string"
       })],
   children = [ #(Text "Datacenters")]
   })]
["type", "xsd:anyType"]
/usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/type_loader.rb:103:in `make_type': unknown VMODL type AnyType (RuntimeError)
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/type_loader.rb:65:in `get'
        from /usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/type_loader.rb:63:in `get'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:80:in `deserialize'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:118:in `traverse_data'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:100:in `each'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:100:in `traverse_data'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:83:in `deserialize'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:113:in `traverse_data'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:100:in `each'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:100:in `traverse_data'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/deserialization.rb:83:in `deserialize'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/connection.rb:68:in `parse_response'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/connection.rb:68:in `map'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/connection.rb:68:in `parse_response'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/connection.rb:90:in `call'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/basic_types.rb:205:in `_call'
        from /usr/lib64/ruby/gems/1.8/gems/rbvmomi-1.8.1/lib/rbvmomi/basic_types.rb:74:in `RetrieveProperties'
        from ./rclib.rb:355:in `get_all_clusters'
        from ./rclib.rb:364:in `get_cluster'
        from ./aar.rb:133
        from ./aar.rb:132:in `each'
        from ./aar.rb:132