[ https://issues.apache.org/jira/browse/MAHOUT-958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dan Filimon reassigned MAHOUT-958: ---------------------------------- Assignee: Dan Filimon (was: Grant Ingersoll) > NullPointerException in RepresentativePointsMapper when running > cluster-reuters.sh example with kmeans > ------------------------------------------------------------------------------------------------------ > > Key: MAHOUT-958 > URL: https://issues.apache.org/jira/browse/MAHOUT-958 > Project: Mahout > Issue Type: Bug > Components: Examples > Affects Versions: 0.6 > Environment: {code} > > uname -a > Linux 3.2.1-3.fc16.x86_64 #1 SMP Mon Jan 23 15:36:17 UTC 2012 x86_64 x86_64 > x86_64 GNU/Linux > {code} > {code} > > java -version > java version "1.7.0_02" > Java(TM) SE Runtime Environment (build 1.7.0_02-b13) > Java HotSpot(TM) 64-Bit Server VM (build 22.0-b10, mixed mode) > {code} > Hadoop Version: 0.20.203.0, r1099333 > Reporter: Rares Vernica > Assignee: Dan Filimon > Fix For: 0.8 > > Attachments: MAHOUT-958.patch > > > {code} > > svn info > Path: . > URL: http://svn.apache.org/repos/asf/mahout/trunk > Repository Root: http://svn.apache.org/repos/asf > Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68 > Revision: 1235544 > Node Kind: directory > Schedule: normal > Last Changed Author: tdunning > Last Changed Rev: 1231800 > Last Changed Date: 2012-01-15 16:01:38 -0800 (Sun, 15 Jan 2012) > {code} > {code} > > ./examples/bin/cluster-reuters.sh > ... > 1. kmeans clustering > ... > Inter-Cluster Density: NaN > Intra-Cluster Density: 0.0 > CDbw Inter-Cluster Density: 0.0 > CDbw Intra-Cluster Density: NaN > CDbw Separation: 0.0 > 12/01/24 16:08:47 INFO clustering.ClusterDumper: Wrote 20 clusters > 12/01/24 16:08:47 INFO driver.MahoutDriver: Program took 126749 ms (Minutes: > 2.1124833333333335) > {code} > All five "{{Representative Points Driver}}" jobs fail. > {code} > 2012-01-24 16:07:11,555 INFO org.apache.hadoop.util.NativeCodeLoader: Loaded > the native-hadoop library > 2012-01-24 16:07:11,881 INFO org.apache.hadoop.mapred.MapTask: io.sort.mb = > 100 > 2012-01-24 16:07:11,896 INFO org.apache.hadoop.mapred.MapTask: data buffer = > 79691776/99614720 > 2012-01-24 16:07:11,896 INFO org.apache.hadoop.mapred.MapTask: record buffer > = 262144/327680 > 2012-01-24 16:07:11,956 INFO org.apache.hadoop.mapred.TaskLogsTruncater: > Initializing logs' truncater with mapRetainSize=-1 and reduceRetainSize=-1 > 2012-01-24 16:07:11,979 INFO org.apache.hadoop.io.nativeio.NativeIO: > Initialized cache for UID to User mapping with a cache timeout of 14400 > seconds. > 2012-01-24 16:07:11,979 INFO org.apache.hadoop.io.nativeio.NativeIO: Got > UserName vernica for UID 1000 from the native implementation > 2012-01-24 16:07:11,981 WARN org.apache.hadoop.mapred.Child: Error running > child > java.lang.NullPointerException > at > org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.mapPoint(RepresentativePointsMapper.java:73) > at > org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.map(RepresentativePointsMapper.java:60) > at > org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.map(RepresentativePointsMapper.java:40) > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:369) > at org.apache.hadoop.mapred.Child$4.run(Child.java:259) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > at org.apache.hadoop.mapred.Child.main(Child.java:253) > {code} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira