Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-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 05F8CD8D5 for ; Mon, 17 Dec 2012 05:32:03 +0000 (UTC) Received: (qmail 96196 invoked by uid 500); 17 Dec 2012 05:31:58 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 95717 invoked by uid 500); 17 Dec 2012 05:31:52 -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 95688 invoked by uid 99); 17 Dec 2012 05:31:51 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 17 Dec 2012 05:31:51 +0000 X-ASF-Spam-Status: No, hits=1.7 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of zhangyunming1990@gmail.com designates 209.85.160.48 as permitted sender) Received: from [209.85.160.48] (HELO mail-pb0-f48.google.com) (209.85.160.48) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 17 Dec 2012 05:31:42 +0000 Received: by mail-pb0-f48.google.com with SMTP id rq13so3409847pbb.35 for ; Sun, 16 Dec 2012 21:31:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:subject:message-id:date:to:mime-version:x-mailer; bh=bxzg2Z2tZHsAL7VSLn/jVcbpnJCOMiuJYkiRO7VRelQ=; b=UGaJMzL97ugU7D6ktmiuMR04rXcqbfTFSKU3DCewVMeND0iPVaJ02hhmVAytoBKmKD /L4afeHEJzg7e6JU31H0N7yQCga6ZnXpmpLylO2AcKVEwguA8bgNZkmcaVQfp2U2Z/S4 YEZDAB3z0DO5btRKCiChYMRLZbPKHATuEcgICXWotohbWL/Yv3sJmCQisjU0waqVet2g nmv9ZkZzpQuOznWGGdk8DCO+PkVkPSve60nP7qQGtj18sG8dLvS0RefRvd6odrTWPlEH bchy9ikIwx8mxVF0U6bBMfHL35uPE0cCRGAe7MBEW6cEScoGHupbMQ721CLuLAe2dyGj gGnA== Received: by 10.66.80.68 with SMTP id p4mr39346633pax.35.1355722280950; Sun, 16 Dec 2012 21:31:20 -0800 (PST) Received: from [192.168.1.102] ([58.48.137.186]) by mx.google.com with ESMTPS id n11sm7532813pby.67.2012.12.16.21.31.17 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 16 Dec 2012 21:31:20 -0800 (PST) From: Yunming Zhang Content-Type: multipart/alternative; boundary="Apple-Mail=_B79BEE1A-1A2A-4143-A3B5-8612FE0FC962" Subject: question about hadoop in maven repository Message-Id: Date: Mon, 17 Dec 2012 13:31:11 +0800 To: user@hadoop.apache.org Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) X-Mailer: Apple Mail (2.1499) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_B79BEE1A-1A2A-4143-A3B5-8612FE0FC962 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi,=20 I am modifying the dependencies for Mahout package, (the open source = machine learning package built on top of Hadoop),=20 I am a bit confused over why there are so many hadoop dependencies in = the maven project, there are four artifactIds=20 1) hadoop-core, 2) hadoop-common, 3)hadoop-mapreduce-client-core, = 4)hadoop-mapreduce-client-common I am trying to replace the hadoop jar file used to compile with my = customized version,=20 Thanks Yunming= --Apple-Mail=_B79BEE1A-1A2A-4143-A3B5-8612FE0FC962 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii I am a bit confused over why = there are so many hadoop dependencies in the maven project, there are = four artifactIds

1) hadoop-core, = 2) hadoop-common, 3)hadoop-mapreduce-client-core, = 4)hadoop-mapreduce-client-common

I am trying to replace the hadoop jar = file used to compile with my customized version,

Thanks