Return-Path: X-Original-To: apmail-builds-archive@minotaur.apache.org Delivered-To: apmail-builds-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 7C31217FD5 for ; Thu, 20 Aug 2015 10:15:24 +0000 (UTC) Received: (qmail 66495 invoked by uid 500); 20 Aug 2015 10:15:24 -0000 Delivered-To: apmail-builds-archive@apache.org Received: (qmail 66420 invoked by uid 500); 20 Aug 2015 10:15:24 -0000 Mailing-List: contact builds-help@apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: builds@apache.org Delivered-To: mailing list builds@apache.org Received: (qmail 66408 invoked by uid 99); 20 Aug 2015 10:15:24 -0000 Received: from mail-relay.apache.org (HELO mail-relay.apache.org) (140.211.11.15) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Aug 2015 10:15:24 +0000 Received: from [192.168.0.6] (cpc21-nrte21-2-0-cust154.8-4.cable.virginm.net [82.29.9.155]) by mail-relay.apache.org (ASF Mail Server at mail-relay.apache.org) with ESMTPSA id 94AE81A0046; Thu, 20 Aug 2015 10:15:23 +0000 (UTC) Subject: Re: Name resolution issue on ubuntu jenkins slaves? Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2098\)) Content-Type: multipart/signed; boundary="Apple-Mail=_F003F294-491D-4045-8A86-5DD26BEE2628"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Pgp-Agent: GPGMail 2.5.1 From: Gavin McDonald In-Reply-To: Date: Thu, 20 Aug 2015 11:15:20 +0100 Cc: keith.wall@gmail.com Message-Id: References: To: builds@apache.org X-Mailer: Apple Mail (2.2098) --Apple-Mail=_F003F294-491D-4045-8A86-5DD26BEE2628 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 20 Aug 2015, at 4:03 am, David Nalley wrote: >=20 > Whatever we are using for DNS on those build slaves is redirecting any > NXDOMAIN to a Level3 search domain. >=20 > Is this happening on the ubuntu-* slaves or on the dynamic build = slaves? It was mentioned earlier : > I am certainly seeing this on slaves ubuntu4 > through ubuntu6. I have seen passes and failures on the dynamic slaves too, so seems = inconsistent. Gav=E2=80=A6 >=20 > --David >=20 > On Mon, Aug 10, 2015 at 8:59 AM, Keith W wrote: >> Hello Apache builds, >>=20 >> We (Apache Qpid) have been seeing a test fail on the Ubuntu Jenkins = slaves >> since August 9th. The test verifies the behaviour of the code when = the >> user specifies a hostname that does not exist in DNS. For this = purpose, >> the test uses a random name 'hg3sgaaw4lgihjs' (without hierarchal = part) >> which is assumed not resolve. This test is longstanding and has been >> running on the slaves for many years without issue. >>=20 >> Between August 9th and 10th, something appears to have changed on the >> slaves, which is meaning that the lookup of the name is now returning = an >> IP. This is causing the Java test to fail. I've investigated by >> introducing shell commands into the job, and can see evidence of the = same >> problem at the UNIX level. I am certainly seeing this on slaves = ubuntu4 >> through ubuntu6. >>=20 >>=20 >> $ host hg3sgaaw4lgihjs >> hg3sgaaw4lgihjs has address 198.105.244.11 >> hg3sgaaw4lgihjs has address 198.105.254.11 >> Host hg3sgaaw4lgihjs not found: 3(NXDOMAIN) >>=20 >> $ host hg3sgaaw4lgihjs2 >> hg3sgaaw4lgihjs2 has address 198.105.244.11 >> hg3sgaaw4lgihjs2 has address 198.105.254.11 >> Host hg3sgaaw4lgihjs2 not found: 3(NXDOMAIN) >>=20 >>=20 >> I considered changing the test to use a RFC-2606 Reserved Top Level = DNS >> Names hg3sgaaw4lgihjs.invalid but I notice that it too is resolving = to >> 198.105.244.11 too. The fact that an .invalid address is resolving = makes >> me suspect there is an environmental problem at the root cause. >>=20 >> host hg3sgaaw4lgihjs.invalid >> hg3sgaaw4lgihjs.invalid has address 198.105.244.11 >> hg3sgaaw4lgihjs.invalid has address 198.105.254.11 >> Host hg3sgaaw4lgihjs.invalid not found: 3(NXDOMAIN) >>=20 >> Is there a name resolution issue affecting these hosts? >>=20 >> Example job affected by the issue: >>=20 >> = https://builds.apache.org/view/M-R/view/Qpid/job/Qpid-Java-Java-Test-JDK1.= 8/ >>=20 >> Kind regards, Keith Wall. --Apple-Mail=_F003F294-491D-4045-8A86-5DD26BEE2628 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJV1ai5AAoJEOxkzEBWU/MZVMoP/0vYbxOW1EuNCtY8Py3W65vb Sprjk1j2FjfsmHD7ftUs6lB7iAUn8h5b5gkcLuqIfEvtvjlOzf26xnCEW4QcnJXZ b64FcA8kdMNY/Pe8ZaWOJqxBXtoM+JKkXNi47f+/dqffvzFqp6C6mBhy3QS58w2V PX/LZX9EbjPiT93KxYSt4mXzvl8XnLNp9df3bcsA9Jp5mhs4nfBWE4iKJBPDXoQe +AsL50YYiXkIJvrPSYhUYsSkPR/PVhsvVN+igGq8POsKu1uz22XFpLqkxqjQL0KJ q/Xl3YE5nKxra7y62DuWTsosQTJAdfgICXivFS2TkM1RNvnZEanpCfVp0Km/J+y5 T8cXqAvrlqCvRym2fYfBczBhEo8tUfzdlPkcd7OsUjx97lfTxR+G/tw3UbRzl8X1 nrY9AHOFATjkcLSbURekNcQNzaV+3BxhrhsqzRTHkVnohHpo22I9SJhiUUK0b0HL 3KZG+oWi68EF2MBwQM5uBRXtj8qYQNe28KkSfZrr3ASJBoHvHZ2+WUwf7i/zzJib EQLmC27DUzejY2CbdBjweYCDrTHVSYH40K0LF4EHxe4IgkEnkbrpElkhmGK9ocKv Vz5FZlkYQfQC7W+5xD2O+ntPea4+EbNMef4lCFDo3S4BHPAxlsciEMA3nJA6JMIK 8l7dMwCZVbM4h8vSoQAD =0eAr -----END PGP SIGNATURE----- --Apple-Mail=_F003F294-491D-4045-8A86-5DD26BEE2628--