From user-return-11549-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Sun Jul 15 18:09:24 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 4D987180621 for ; Sun, 15 Jul 2018 18:09:24 +0200 (CEST) Received: (qmail 17336 invoked by uid 500); 15 Jul 2018 16:09:23 -0000 Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@zookeeper.apache.org Delivered-To: mailing list user@zookeeper.apache.org Received: (qmail 17324 invoked by uid 99); 15 Jul 2018 16:09:22 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 15 Jul 2018 16:09:22 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id CB82CD0A3C for ; Sun, 15 Jul 2018 16:09:21 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -2.411 X-Spam-Level: X-Spam-Status: No, score=-2.411 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=icloud.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id EM72TNb_4inK for ; Sun, 15 Jul 2018 16:09:18 +0000 (UTC) Received: from mr21p30im-asmtp002.me.com (mr21p30im-asmtp002.me.com [17.111.174.65]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 9E5365F526 for ; Sun, 15 Jul 2018 16:09:17 +0000 (UTC) Received: from process-dkim-sign-daemon.mr21p30im-asmtp002.me.com by mr21p30im-asmtp002.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) id <0PBX007000Q5EX00@mr21p30im-asmtp002.me.com> for user@zookeeper.apache.org; Sun, 15 Jul 2018 16:09:16 +0000 (GMT) Received: from icloud.com ([127.0.0.1]) by mr21p30im-asmtp002.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) with ESMTPSA id <0PBX006O00VAW320@mr21p30im-asmtp002.me.com> for user@zookeeper.apache.org; Sun, 15 Jul 2018 16:09:16 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-07-15_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 clxscore=1015 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1807150195 From: ZongtianHou Content-type: text/plain; charset=us-ascii Content-transfer-encoding: quoted-printable MIME-version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: concept question for zookeeper Date: Mon, 16 Jul 2018 00:09:08 +0800 References: To: user@zookeeper.apache.org In-reply-to: Message-id: X-Mailer: Apple Mail (2.3273) Yes, it have a detailed guide about how to install and start, program = with APIs, but the basic concept and theory seem too short for me. So, I = wonder if I have set up kerberos for it in order to use it in a secured = hdfs cluster and I keep get error in SASL authentication, the log is = below=20 java.io.IOException: Could not configure server because SASL = configuration did not allow the ZooKeeper server to authenticate itself = properly: javax.security.auth.login.LoginException: No password provided=20= > On 15 Jul 2018, at 11:23 PM, Enrico Olivelli = wrote: >=20 > Hi, > Did you check the docs on zookeeper.apache.org ? >=20 > Cheers > Ebr >=20 > Il dom 15 lug 2018, 17:02 ZongtianHou = ha > scritto: >=20 >> Hi,everyone: >> I am new to zookeeper, I have set up kerberos for a hdfs cluster, I = want >> to know if I have to set up kerberos for zookeeper if I want to use = it in >> the secured hdfs cluster. And, if there is a document which explain = the >> concept and theory in zookeeper, like learner, server, follower, and = how >> they work with each other to achieve the distribution coordination, = how can >> I change their behaviour with conf files, since the overview in = official >> site is quite simple and quick jump into the API. Thanks very much = for some >> clues!! >=20 > --=20 >=20 >=20 > -- Enrico Olivelli