HTTP/1.1 400 Bad Request
x-amzn-requestid: f501f427-3229-11e2-87e4-61e29ea4a150
content-type: text/xml
content-length: 404
date: Mon, 19 Nov 2012 09:17:36 GMT

<ErrorResponse xmlns="http://cloudsearch.amazonaws.com/doc/2011-02-01">
  <Error>
    <Type>Sender</Type>
    <Code>ValidationError</Code>
    <Message>1 validation error detected: Value '@_@' at 'domainName' failed to satisfy constraint: Member must satisfy regular expression pattern: [a-z][a-z0-9\-]+</Message>
  </Error>
  <RequestId>f501f427-3229-11e2-87e4-61e29ea4a150</RequestId>
</ErrorResponse>