Any one know what could be the reason? On Tue, Jan 6, 2015 at 2:08 PM, unmesha sreeveni <[email protected]> wrote:
> I am trying to run Itemsimilarity in mahout instead of ftp growth. > > But once I run I am getting > java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 1 > at > org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462) > at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522) > Caused by: java.lang.ArrayIndexOutOfBoundsException: 1 > at > org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexMapper.map(ItemIDIndexMapper.java:50) > at > org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexMapper.map(ItemIDIndexMapper.java:31) > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) > at > org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > at java.util.concurrent.FutureTask.run(FutureTask.java:166) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:722) > > > I cross checked if my input file contains any commands or extra spaces. > But Couldnt find any. > Please help me out to run the same. > > -- > *Thanks & Regards * > > > *Unmesha Sreeveni U.B* > *Hadoop, Bigdata Developer* > *Centre for Cyber Security | Amrita Vishwa Vidyapeetham* > http://www.unmeshasreeveni.blogspot.in/ > > > -- *Thanks & Regards * *Unmesha Sreeveni U.B* *Hadoop, Bigdata Developer* *Centre for Cyber Security | Amrita Vishwa Vidyapeetham* http://www.unmeshasreeveni.blogspot.in/
