BIND 10 #1092: NSAS_INVALID_RESPONSE is internal error?

[BIND 10 Development]

#1092: NSAS_INVALID_RESPONSE is internal error?
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                   Reporter:  jreed  |                 Owner:  UnAssigned
                       Type:         |                Status:  reviewing
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20110830
                  Component:         |            Resolution:
  Unclassified                       |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  High   |  Estimated Difficulty:  3
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by zhanglikun):

 * owner:  zhanglikun => UnAssigned
 * status:  assigned => reviewing


Comment:

 I think the behavior is normal, just we should refine the error message to
 make it more readable.

 NSAS try to get the address(AAAA and A) for each name server, if the
 answer message has other rcode except NOERROR, or rrset count of answer
 section is zero, it will report the error "NSAS_INVALID_RESPONSE queried
 for ns1.pbi.NET. but got invalid response".

 most name servers don't have IPv6 address(AAAA), so when it is asked for
 AAAA record, the error message will printed out.

 My suggestion for the new error message is:
  * change the type to "WARNING", instead of ERROR.
  * NSAS_INVALID_RESPONSE queried for a.edu-servers.net.(type:AAAA) but got
 invalid response(rcode: NOERROR, answer section: empty).

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Ticket URL: <http://bind10.isc.org/ticket/1092#comment:5>
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