error_hyperunique

Caused by: java.lang.ArrayIndexOutOfBoundsException: 81
	at io.druid.segment.IndexMerger$10.apply(IndexMerger.java:1057) ~[druid-processing-0.9.0.jar:0.9.0]
	at io.druid.segment.IndexMerger$10.apply(IndexMerger.java:1038) ~[druid-processing-0.9.0.jar:0.9.0]
	at com.google.common.collect.Iterators$8.transform(Iterators.java:794) ~[guava-16.0.1.jar:?]
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48) ~[guava-16.0.1.jar:?]
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48) ~[guava-16.0.1.jar:?]
	at com.google.common.collect.Iterators$PeekingImpl.next(Iterators.java:1145) ~[guava-16.0.1.jar:?]
	at com.metamx.common.guava.MergeIterator.next(MergeIterator.java:75) ~[java-util-0.27.7.jar:?]
	at com.google.common.collect.Iterators$PeekingImpl.next(Iterators.java:1145) ~[guava-16.0.1.jar:?]
	at io.druid.collections.CombiningIterator.next(CombiningIterator.java:75) ~[druid-common-0.9.0.jar:0.9.0]
	at io.druid.segment.IndexMerger.makeIndexFiles(IndexMerger.java:791) ~[druid-processing-0.9.0.jar:0.9.0]
	at io.druid.segment.IndexMerger.merge(IndexMerger.java:421) ~[druid-processing-0.9.0.jar:0.9.0]
	at io.druid.segment.IndexMerger.persist(IndexMerger.java:193) ~[druid-processing-0.9.0.jar:0.9.0]
	at io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.persist(IndexGeneratorJob.java:501) ~[druid-indexing-hadoop-0.9.0.jar:0.9.0]
	at io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:672) ~[druid-indexing-hadoop-0.9.0.jar:0.9.0]
	at io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:469) ~[druid-indexing-hadoop-0.9.0.jar:0.9.0]
	at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171) ~[hadoop-mapreduce-client-core-2.3.0.jar:?]
	at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:627) ~[hadoop-mapreduce-client-core-2.3.0.jar:?]
	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:389) ~[hadoop-mapreduce-client-core-2.3.0.jar:?]
	at org.apache.hadoop.mapred.LocalJobRunner$Job$ReduceTaskRunnable.run(LocalJobRunner.java:319) ~[hadoop-mapreduce-client-common-2.3.0.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[?:1.7.0_101]
	at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[?:1.7.0_101]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[?:1.7.0_101]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[?:1.7.0_101]
	at java.lang.Thread.run(Thread.java:745) ~[?:1.7.0_101]
2016-06-01T12:05:12,396 INFO [task-runner-0-priority-0] org.apache.hadoop.mapreduce.Job - Job job_local1865448455_0002 running in uber mode : false
2016-06-01T12:05:12,396 INFO [task-runner-0-priority-0] org.apache.hadoop.mapreduce.Job -  map 100% reduce 0%