Thanks, I'll do. P.
On Wed, Nov 10, 2010 at 16:28, Aditya Muralidharan <aditya.muralidha...@nisc.coop> wrote: > Also, your Mapper class needs to look like this: > MyMapper extends Mapper<ByteBuffer, SortedMap<ByteBuffer, > IColumn>,Text,SumWritable> ... with all the necessary fixes to the map method. > > AD > > -----Original Message----- > From: Jonathan Ellis [mailto:jbel...@gmail.com] > Sent: Wednesday, November 10, 2010 8:40 AM > To: user > Subject: Re: WordCount example problem > > http://www.mail-archive.com/user@cassandra.apache.org/msg07093.html > > On Wed, Nov 10, 2010 at 5:47 AM, Patrik Modesto > <patrik.mode...@gmail.com> wrote: >> Hi, >> >> I'm trying the WordCount example and getting this error: >> >> [12:33]$ ./bin/word_count >> 10/11/10 12:34:35 INFO WordCount: output reducer type: filesystem >> 10/11/10 12:34:36 INFO jvm.JvmMetrics: Initializing JVM Metrics with >> processName=JobTracker, sessionId= >> 10/11/10 12:34:36 INFO WordCount: XXX:text0 >> 10/11/10 12:34:36 INFO mapred.JobClient: Running job: job_local_0001 >> 10/11/10 12:34:36 INFO mapred.MapTask: io.sort.mb = 100 >> 10/11/10 12:34:36 INFO mapred.MapTask: data buffer = 79691776/99614720 >> 10/11/10 12:34:36 INFO mapred.MapTask: record buffer = 262144/327680 >> 10/11/10 12:34:36 WARN mapred.LocalJobRunner: job_local_0001 >> java.lang.ClassCastException: java.nio.HeapByteBuffer cannot be cast to [B >> at WordCount$TokenizerMapper.map(WordCount.java:73) >> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621) >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) >> at >> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177) >> 10/11/10 12:34:37 INFO mapred.JobClient: map 0% reduce 0% >> 10/11/10 12:34:37 INFO mapred.JobClient: Job complete: job_local_0001 >> 10/11/10 12:34:37 INFO mapred.JobClient: Counters: 0 >> >> I'm using cassandra 0.7.0beta3 (from latest trunk) on just one >> machine. Is the example working for anybody? >> >> Thanks, >> P. >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >