Not Exact error
Mark Andrews
marka at isc.org
Mon Mar 21 23:50:06 UTC 2011
In message <F7C01AC623C2BD48A4B5A1E91BA1DC562456C33BE7 at 2008MBX.utmck.edu>, "Dav
enport, Steve M" writes:
> Can someone tell me the cause of the "not exact" error and how to troublesh=
> oot?
>
> 21-Mar-2011 11:01:24.931 xfer-in: error: transfer of '219.130.IN-ADDR.ARPA/=
> IN' from
> 130.219.31.5#53: failed while receiving responses: not exact
> After this message appears, a retry on the transfer runs error free.
>
> Thanks,
> Steve
Not exact indicates that the nameserver found a change in a IXFR
delta which it could not apply to the cleanly. It got asked to
remove a record which didn't exist. It got asked to add a record
that already existed. The TTL of the added record doesn't match
that of the existing records of the RRset. If named detects a
anomally like this it just re-transfers the zone.
The following bug fix address one potential cause of these messages.
The fix is currentl available in the following release: 9.6.3, 9.7.3
and 9.8.0.
3007. [bug] Named failed to preserve the case of domain names in
rdata which is not compressible when writing master
files. [RT #22863]
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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