Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 34D1C9CD5 for ; Wed, 13 Jun 2012 11:30:37 +0000 (UTC) Received: (qmail 82426 invoked by uid 500); 13 Jun 2012 11:30:35 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 82251 invoked by uid 500); 13 Jun 2012 11:30:35 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 82241 invoked by uid 99); 13 Jun 2012 11:30:35 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 13 Jun 2012 11:30:35 +0000 X-ASF-Spam-Status: No, hits=1.8 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FSL_RCVD_USER,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of sonalgoyal4@gmail.com designates 209.85.212.173 as permitted sender) Received: from [209.85.212.173] (HELO mail-wi0-f173.google.com) (209.85.212.173) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 13 Jun 2012 11:30:29 +0000 Received: by wibhj6 with SMTP id hj6so4080221wib.2 for ; Wed, 13 Jun 2012 04:30:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=TO6+E9Nr6GpePojVXer93h/oC9ZJp14saqFwxpoMVfU=; b=FwzBFa5D8bSVuH/WNY9lJVddmzYkmQjt/LJ8+lLoE+3VjwJTlNpZ1WbZeQ1OYC+UyY vrn3eOALCqphIsw2POuDOYkK9lhGuiCkbZlyVhfFGdUSfWJ8KxfLEgq2A1bgtekM2+jm 9Qhy/u4TFRn/XdchWnNLQxI9MICg0TjYKlKHRI37Fx6bqPDc2TTowYXXdzAfGYVFOHFK 4+50BXyrXVDfRFn+0DbtdmuF8bsw7dOQVZL98ey++Kbmi3M0bah46YoOoi+AcFb8oM/B a1RoCZH/1iRhQ8vDUJx0xNm+/lNmKrur0rG/l5Z/m+QSRwygiAUh/Nl1WW50tD0X8QGS 1yKA== MIME-Version: 1.0 Received: by 10.181.13.235 with SMTP id fb11mr37092064wid.3.1339587008710; Wed, 13 Jun 2012 04:30:08 -0700 (PDT) Received: by 10.223.91.149 with HTTP; Wed, 13 Jun 2012 04:30:08 -0700 (PDT) In-Reply-To: References: Date: Wed, 13 Jun 2012 17:00:08 +0530 Message-ID: Subject: Re: TableRecordReaderImpl is not able to get the rows From: Sonal Goyal To: user@hbase.apache.org Content-Type: multipart/alternative; boundary=f46d043c05c0ccc8a804c258e75a --f46d043c05c0ccc8a804c258e75a Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi Subroto, How are you configuring your job? Are you providing any Scan options? Check Chapter 7 of the ref guide at http://hbase.apache.org/book/mapreduce.example.html Best Regards, Sonal Crux: Reporting for HBase Nube Technologies On Wed, Jun 13, 2012 at 4:47 PM, Subroto wrote: > Hi, > > I have a table with details: > hbase(main):024:0> scan 'test' > ROW > COLUMN+CELL > row1 > column=3Dcf:a, timestamp=3D1339581548508, value=3Dvalue1 > row2 > column=3Dcf:b, timestamp=3D1339581557585, value=3Dvalue2 > row3 > column=3Dcf:c, timestamp=3D1339581566227, value=3Dvalue3 > 3 row(s) in 0.0200 seconds > > When my MR job tries to access TableRecordReader > org.apache.hadoop.hbase.client.HTable.ClientScanner.nextScanner set the > "value" to null for every call which gives a sense to my MR application > that there are no records in the table. > > I am using: 0.92.1 HBase and 0.23.1 Hadoop=85.. > > What can be the possible reason(s) behind it?? > > Cheers, > Subroto Sanyal --f46d043c05c0ccc8a804c258e75a--