After making WSRP export request, the response data includes a portletHandler that is different from the one provided.

For example:

REQUEST:
<env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'>
 <env:Header xmlns:work='http://bea.com/2004/06/soap/workarea/'>
  ...
 </env:Header>
 <env:Body>
  <v2:exportPortlets xmlns:v2='urn:oasis:names:tc:wsrp:v2:types'>
   <v2:registrationContext xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:nil='true'/>
   <v2:portletContext>
    <v2:portletHandle>Original_PortletHandle</v2:portletHandle>
   </v2:portletContext>
   <v2:userContext xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:nil='true'/>
   <v2:lifetime xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:nil='true'/>
   <v2:exportByValueRequired>1</v2:exportByValueRequired>
  </v2:exportPortlets>
 </env:Body>
</env:Envelope>


RESPONSE:
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
   <env:Header/>
   <env:Body>
      <exportPortletsResponse xmlns="urn:oasis:names:tc:wsrp:v2:types">
         <exportContext>rO0ABXcWAAdXU1JQX0VDP/AAAAAAAABFTVBUWQ==</exportContext>
         <exportedPortlet portletHandle="A_Different_PortletHandle_From_Original_One">
            <exportData>xxxx</exportData>
         </exportedPortlet>
      </exportPortletsResponse>
   </env:Body>
</env:Envelope>