Rest 7.2 error message

Migrateduser

Hi,

   I am trying Rest 7.2 "WhoAmI" sample custom service, compiled the code and depolyed to Tomcat server.   I see the following message, when I try to Launch url:-

<status>400</status>

<code>E_INPUT_ILLEGAL_ARGUMENTS</code>

<message>There are illegal arguments provided.</message>

<details>

View class is not registered for the resource controller class com.emc.documentum.rest.extension.controller.WhoAmIController.

</details>

Any one come across the above error message?  Is that resolved?