java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: 1
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java.lang.ArrayIndexOutOfBoundsException: 1at 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)