Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 68361 invoked from network); 14 Oct 2010 00:40:10 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 14 Oct 2010 00:40:10 -0000 Received: (qmail 80098 invoked by uid 500); 14 Oct 2010 00:40:08 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 80071 invoked by uid 500); 14 Oct 2010 00:40:08 -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 80063 invoked by uid 99); 14 Oct 2010 00:40:08 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Oct 2010 00:40:08 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of mmoores@real.com designates 207.188.23.6 as permitted sender) Received: from [207.188.23.6] (HELO jor-el.real.com) (207.188.23.6) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Oct 2010 00:40:00 +0000 Received: from seacas01.corp.real.com ([::ffff:192.168.139.56]) (TLS: TLSv1/SSLv3,128bits,AES128-SHA) by jor-el.real.com with esmtp; Wed, 13 Oct 2010 17:39:38 -0700 id 000988DA.4CB6514A.00006B78 Received: from seambx.corp.real.com ([fe80::2d15:fda7:b3b8:e268]) by seacas01.corp.real.com ([192.168.139.56]) with mapi; Wed, 13 Oct 2010 17:39:38 -0700 From: Michael Moores To: "user@cassandra.apache.org" Date: Wed, 13 Oct 2010 17:39:37 -0700 Subject: 0.7.0-beta2 and Hadoop Thread-Topic: 0.7.0-beta2 and Hadoop Thread-Index: ActrOEgcv0szpMI4QaiN1xum7nyFTA== Message-ID: <2B78983B-BABE-4E87-B34D-78C3C6AF7CD1@real.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_2B78983BBABE4E87B34D78C3C6AF7CD1realcom_" MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org --_000_2B78983BBABE4E87B34D78C3C6AF7CD1realcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable What version of hadoop should i be using with cassandra 0.7.0-beta2? I am using the latest version 21.0. Just running a modified version of the WordCount example: https://svn.apache.org/repos/asf/cassandra/trunk/contrib/word_count/src/ I get a linkage error thrown from the getSplits method. Exception in thread "main" java.lang.IncompatibleClassChangeError: Found in= terface org.apache.hadoop.mapreduce.JobContext, but class was expected at org.apache.cassandra.hadoop.ColumnFamilyInputFormat.getSplits(Co= lumnFamilyInputFormat.java:88) at org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmi= tter.java:401) at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitte= r.java:418) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSu= bmitter.java:338) at org.apache.hadoop.mapreduce.Job.submit(Job.java:960) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:976) --_000_2B78983BBABE4E87B34D78C3C6AF7CD1realcom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
What version of hadoo= p should i be using with cassandra 0.7.0-beta2?
I am using the la= test version 21.0.

Just running a modified version= of the WordCount example:

I get a linkage error thrown from the getSplits method.=

Exception in thread "main" java.lang.Incompatible= ClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, b= ut class was expected
        at org.apa= che.cassandra.hadoop.ColumnFamilyInputFormat.getSplits(ColumnFamilyInputFor= mat.java:88)
        at org.apache.hadoo= p.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:401)
&n= bsp;       at org.apache.hadoop.mapreduce.JobSubmitter.= writeSplits(JobSubmitter.java:418)
       &nb= sp;at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitt= er.java:338)
        at org.apache.hadoo= p.mapreduce.Job.submit(Job.java:960)
       &= nbsp;at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:976)= --_000_2B78983BBABE4E87B34D78C3C6AF7CD1realcom_--