Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E225017C3A for ; Mon, 2 Nov 2015 10:50:44 +0000 (UTC) Received: (qmail 91806 invoked by uid 500); 2 Nov 2015 10:50:38 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 91685 invoked by uid 500); 2 Nov 2015 10:50:38 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 91673 invoked by uid 99); 2 Nov 2015 10:50:38 -0000 Received: from Unknown (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Nov 2015 10:50:38 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id F31C5C009E for ; Mon, 2 Nov 2015 10:50:37 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 3.981 X-Spam-Level: *** X-Spam-Status: No, score=3.981 tagged_above=-999 required=6.31 tests=[HTML_MESSAGE=3, KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, URIBL_BLOCKED=0.001] autolearn=disabled Received: from mx1-us-west.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id oMtFyruJehuT for ; Mon, 2 Nov 2015 10:50:29 +0000 (UTC) Received: from rpc7292.td.teradata.com (nat13.teradata.com [153.65.16.13]) by mx1-us-west.apache.org (ASF Mail Server at mx1-us-west.apache.org) with ESMTPS id 85CC420864 for ; Mon, 2 Nov 2015 10:50:29 +0000 (UTC) Received: from rpc7292.td.teradata.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4FD8925809A for ; Mon, 2 Nov 2015 05:51:10 -0500 (EST) Received: from SUSHDC8440.TD.TERADATA.COM (unknown [153.65.10.242]) by rpc7292.td.teradata.com (Postfix) with ESMTPS id 41C04258095 for ; Mon, 2 Nov 2015 05:51:10 -0500 (EST) Received: from SUSHDC8000.TD.TERADATA.COM ([fe80::557c:3e42:2bd0:6e2b]) by SUSHDC8440.TD.TERADATA.COM ([::1]) with mapi id 14.03.0248.002; Mon, 2 Nov 2015 05:50:22 -0500 From: "Vishwakarma, Chhaya" To: "user@hadoop.apache.org" Subject: RE: Authenticating to Kerberos enabled Hadoop cluster using Java Thread-Topic: Authenticating to Kerberos enabled Hadoop cluster using Java Thread-Index: AdEVW0VKJoMuU8k6Te6x/bMYwxuDlAAKp/eAAApygBA= Date: Mon, 2 Nov 2015 10:50:21 +0000 Message-ID: <9F9DE72B96464A44901B056CE36E33D8016E2025@SUSHDC8000.TD.TERADATA.COM> References: <9F9DE72B96464A44901B056CE36E33D8016E200F@SUSHDC8000.TD.TERADATA.COM> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.245.254] X-TM-AS-Product-Ver: IMSVA-8.5.0.1618-8.0.0.1202-21916.006 X-TM-AS-Result: No--20.250-7.0-31-10 X-TM-AS-User-Approved-Sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/alternative; boundary="_000_9F9DE72B96464A44901B056CE36E33D8016E2025SUSHDC8000TDTER_" MIME-Version: 1.0 X-TM-AS-MML: disable X-imss-scan-details: No--20.250-7.0-31-10 X-TMASE-Version: IMSVA-8.5.0.1618-8.0.1202-21916.006 X-TMASE-Result: 10--20.249500-5.000000 X-TMASE-MatchedRID: 6lay9u8oTUOnykMun0J1wmivjLE8DPtZd4LzQ5cJCvPN7kw8kERpND11 qDA2H+XsxphflU1kRp3lGZJV+BM0YD6ePL695Aj7Cl9mO38D6KQdPNIlAFmB0UOsfIyUai34Gwa 7cvZbc38NnmmzU9AiDEmlX2scVfeP7a7m7fE5C+HBtFDYGmaWKhrL4FDGAJ+Flvs2jSyutOTsoE FnZAFTLI3ldAS7ettGdoWnXF0BvgRI5aNiVPKgsZhyXgGCpXKTwx0jRRxcQfOPaLJ/Ca3ST2ji0 4EzOjY4F/CgZrFM3+qnQiMduIEPNotPUkMBzCAIEgwM8US/pTF9e88fgoklswwv1ZvdCH+FmPMv FiO40LAAhYiCRSiR7ChiPa95Af6o12MNQUW9ryQvLkIx+3R2QNvhKQZ2RM319DjjtaFFaFmObat oZn4iAbuwuIYnhcFSgDLqnrRlXraNZCyaPpOjctAtbEEX0MxBI/NGWt0UYPBPJ7534NfMtfP8DO /B87eGu8X2VhD/ODajd9kXJvAdr1hMtU4M4Ng9 --_000_9F9DE72B96464A44901B056CE36E33D8016E2025SUSHDC8000TDTER_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks Niranjan It would be great if you can share a sample code if any? From: Niranjan Subramanian [mailto:niranjan@webaction.com] Sent: 02 November 2015 16:18 To: user@hadoop.apache.org Subject: Re: Authenticating to Kerberos enabled Hadoop cluster using Java Hi Chhaya, You can use the UserGroupInformation class from org.apache.hadoop.security = package. Specifically following 2 methods of that class UserGroupInformation.setConfiguration(hdfsConfiguration); UserGroupInformation.loginUserFromKeytab(principal, keytabPath); Regards, Niranjan On 02-Nov-2015, at 4:15 pm, Vishwakarma, Chhaya > wrote: I have Kerberos enabled Hadoop cluster, I need to perform HDFS operations u= sing JAVA code. I have keytab file and username can someone please suggest how can I authet= icate to Kerberos using JAVA code? Regards, Chhaya --_000_9F9DE72B96464A44901B056CE36E33D8016E2025SUSHDC8000TDTER_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks Niranjan It would be great if you can share a samp= le code if any?

 <= /p>

From: Niranjan Subramanian [mailto:niranjan@webaction.com]
Sent: 02 November 2015 16:18
To: user@hadoop.apache.org
Subject: Re: Authenticating to Kerberos enabled Hadoop cluster using= Java

 

Hi Chhaya, 

 

You can use the UserGroupInformation class from org.= apache.hadoop.security package. 

 

Specifically following 2 methods of that class =

 

UserGroupInformation.setConfiguration(hdfsConf= iguration); 

UserGroupInformation.loginUserFromKeytab(principal, keytabPath);

 

Regards,

Niranjan

 

On 02-Nov-2015, at 4:15 pm, Vishwakarma, Chhaya <= Chhaya.Vishwaka= rma@Thinkbiganalytics.com> wrote:



I have Kerberos enabled Hadoop cluster, I need to = perform HDFS operations using JAVA code.

I have keytab file and username can someone pl= ease suggest how can I autheticate to Kerberos using JAVA code?=

Regards,

Chhaya

 

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