Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-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 D0508769D for ; Tue, 23 Aug 2011 09:55:02 +0000 (UTC) Received: (qmail 65386 invoked by uid 500); 23 Aug 2011 09:52:54 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 65102 invoked by uid 500); 23 Aug 2011 09:52:36 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 65067 invoked by uid 99); 23 Aug 2011 09:52:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 23 Aug 2011 09:52:29 +0000 X-ASF-Spam-Status: No, hits=4.9 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [121.101.151.210] (HELO nm2-vm0.bullet.mail.in.yahoo.com) (121.101.151.210) by apache.org (qpsmtpd/0.29) with SMTP; Tue, 23 Aug 2011 09:52:20 +0000 Received: from [121.101.151.238] by nm2.bullet.mail.in.yahoo.com with NNFMP; 23 Aug 2011 09:52:02 -0000 Received: from [121.101.151.235] by tm3.bullet.mail.in.yahoo.com with NNFMP; 23 Aug 2011 09:52:34 -0000 Received: from [127.0.0.1] by omp1004.mail.in.yahoo.com with NNFMP; 23 Aug 2011 09:51:58 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 48389.89952.bm@omp1004.mail.in.yahoo.com Received: (qmail 55224 invoked by uid 60001); 23 Aug 2011 09:51:40 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.in; s=s1024; t=1314093100; bh=LGedzcj0KCrwTZT/qsUO+mf8jhcnKzMHPLtgVXx/nZ8=; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Subject:To:MIME-Version:Content-Type; b=tWLMRRLIQSvAiBYc3P794LuUO21oSScEig/aCuBbp6dh07jIlRi0nnJracoIj3YuF7glOs9+rHCEjee2mo/fPREb76DeMX7vCD6GTL3031lt/J7CA5zAVXoxQeO6UhZht9dxNFYqznRAMUPosnWIqiaAt4p1PqKTEbRPaC7d0PM= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.in; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Subject:To:MIME-Version:Content-Type; b=wSRfmlsMNIxgmN08VN8LbgRHqs9D+Agej7o7DZT3OiTWHobsr3ItQcjuG3dj9C4ggR9Pe0y3+l2UY95UkwMLfQrqspr+LXDUrKzjvJtDv/25Hm8V7fXagBJLCWM6xupGM3Xhc4YfqojIgrUgTw+siw4mUf5BlsWBN5EXMafpBPs=; X-YMail-OSG: kJqNqosVM1kZ9FnKq3AjwQkM2eKyjfbjyFLmnkhFtRMdIvZ dW5Va_rJhYENm5FEu.ttU8JjdGB4CJ60rcjNP822EVBFmbez37lVfkWz40zW zWLviLv9lwk8g16.lKmShKqzVMl_C4L55iv5_b36P9PtgTn95SClv5kPTHvo bAWiwB1e1n9h_UPw2yJId9yDVWqgaDBLbuEwbvx2lNRDzbtHwseg7BKDO4Ll gIR.2c5OGhdICTfxZ7VmeaXTxSG2GXYwkbSkdx4ORcX0L3jQYOc5gh8wNAqK XLmTTccGeIPt98ecnKP7RPYiK5tUIuMl1IIFYIK.evnBalHwVjbkEZCQW20M U7tAhcPtrhwN_vpzj0yZDqzzpJOV.IcMKaqMdC_OEQoi89jd8U6cqptqJFMW A1XqFuqJ_dBbPT_AlELKwvym.woNHXkw1H26j.fyGWRSN7kBbHHlWDt455JP OTpU0.dFIBpXc.JsDPolDfJVzF_syTZoTiFjpieWLoDO1Am6C Received: from [161.69.220.1] by web95302.mail.in2.yahoo.com via HTTP; Tue, 23 Aug 2011 15:21:40 IST X-Mailer: YahooMailClassic/14.0.4 YahooMailWebService/0.8.113.315625 Message-ID: <1314093100.27174.YahooMailClassic@web95302.mail.in2.yahoo.com> Date: Tue, 23 Aug 2011 15:21:40 +0530 (IST) From: Thamizh Subject: multi-node cassandra config doubt To: user@cassandra.apache.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-920563583-1314093100=:27174" X-Virus-Checked: Checked by ClamAV on apache.org --0-920563583-1314093100=:27174 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi All, This is regarding multi-node cluster configuration doubt. I have configured 3 nodes of cluster using Cassandra-0.8.4 and getting erro= r when I ran Map/Reduce job which uploads records from HDFS to Cassandra. Here are my 3 nodes cluster config file (cassandra.yaml) for Cassandra: node01: =A0=A0 =A0seeds: "node01,node02,node03" =A0=A0 =A0auto_bootstrap: false =A0=A0 =A0listen_address: 192.168.0.1 =A0=A0 =A0rpc_address: 192.168.0.1 node02: seeds: "node01,node02,node03" auto_bootstrap: true listen_address: 192.168.0.2 rpc_address: 192.168.0.2 node03: seeds: "node01,node02,node03" auto_bootstrap: true listen_address: 192.168.0.3 rpc_address: 192.168.0.3 When I ran M/R program, I am getting below error 11/08/23 04:37:00 INFO mapred.JobClient:=A0 map 100% reduce 11% 11/08/23 04:37:06 INFO mapred.JobClient:=A0 map 100% reduce 22% 11/08/23 04:37:09 INFO mapred.JobClient:=A0 map 100% reduce 33% 11/08/23 04:37:14 INFO mapred.JobClient: Task Id : attempt_201104211044_071= 9_r_000000_0, Status : FAILED java.lang.NullPointerException =A0=A0 =A0at org.apache.cassandra.client.RingCache.getRange(RingCache.java:= 130) =A0=A0 =A0at org.apache.cassandra.hadoop.ColumnFamilyRecordWriter.write(Col= umnFamilyRecordWriter.java:125) =A0=A0 =A0at org.apache.cassandra.hadoop.ColumnFamilyRecordWriter.write(Col= umnFamilyRecordWriter.java:60) =A0=A0 =A0at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskI= nputOutputContext.java:80) =A0=A0 =A0at CassTblUploader$TblUploadReducer.reduce(CassTblUploader.java:9= 0) =A0=A0 =A0at CassTblUploader$TblUploadReducer.reduce(CassTblUploader.java:1= ) =A0=A0 =A0at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:174) =A0=A0 =A0at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.j= ava:563) =A0=A0 =A0at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408) =A0=A0 =A0at org.apache.hadoop.mapred.Child.main(Child.java:170) Is anything wrong on my cassandra.yaml file? I followed http://wiki.apache.org/cassandra/MultinodeCluster for cluster co= nfiguration. Regards, Thamizhannal --0-920563583-1314093100=:27174 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable --0-920563583-1314093100=:27174--
Hi All,

This is regarding multi-node c= luster configuration doubt.

I have configured 3 nodes of cluster usi= ng Cassandra-0.8.4 and getting error when I ran Map/Reduce job which upload= s records from HDFS to Cassandra.

Here are my 3 nodes cluster config= file (cassandra.yaml) for Cassandra:

node01:
    = seeds: "node01,node02,node03"
    auto_bootstrap: false    listen_address: 192.168.0.1
    rpc_= address: 192.168.0.1


node02:

seeds: "node01,node02,node03= "
auto_bootstrap: true
listen_address: 192.168.0.2
rpc_address: 19= 2.168.0.2


node03:
seeds: "node01,node02,node03"
auto_boots= trap: true
listen_address: 192.168.0.3
rpc_address: 192.168.0.3
When I ran M/R program, I am getting below error
11/08/23 04:37:00 INF= O mapred.JobClient:  map 100% reduce 11%
11/08/23 04:37:06 INFO mapr= ed.JobClient:  map 100% reduce 22%
11/08/23 04:37:09 INFO mapred.Jo= bClient:  map 100% reduce 33%
11/08/23 04:37:14 INFO mapred.JobClie= nt: Task Id : attempt_201104211044_0719_r_000000_0, Status : FAILED
java= .lang.NullPointerException
    at org.apache.cassandra.cl= ient.RingCache.getRange(RingCache.java:130)
    at org.ap= ache.cassandra.hadoop.ColumnFamilyRecordWriter.write(ColumnFamilyRecordWrit= er.java:125)
    at org.apache.cassandra.hadoop.ColumnFam= ilyRecordWriter.write(ColumnFamilyRecordWriter.java:60)
   &nb= sp;at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOut= putContext.java:80)
    at CassTblUploader$TblUploadReduc= er.reduce(CassTblUploader.java:90)
    at CassTblUploader= $TblUploadReducer.reduce(CassTblUploader.java:1)
    at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:174)
&nbs= p;   at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceT= ask.java:563)
    at org.apache.hadoop.mapred.ReduceTask.= run(ReduceTask.java:408)
    at org.apache.hadoop.mapred.= Child.main(Child.java:170)


Is anything wrong on my cassandra.yam= l file?

I followed http://wiki.apache.org/cassandra/MultinodeCluster= for cluster configuration.

Regards,
Thamizhannal