cen yuhai created CARBONDATA-1362:
-------------------------------------

             Summary: ArrayIndexOutOfBoundsException when decoing decimal type
                 Key: CARBONDATA-1362
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1362
             Project: CarbonData
          Issue Type: Bug
          Components: core
            Reporter: cen yuhai



{code}
ava.lang.RuntimeException: java.util.concurrent.ExecutionException: 
java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 0
        at 
org.apache.carbondata.core.scan.processor.AbstractDataBlockIterator.close(AbstractDataBlockIterator.java:231)
        at 
org.apache.carbondata.core.scan.result.iterator.AbstractDetailQueryResultIterator.close(AbstractDetailQueryResultIterator.java:306)
        at 
org.apache.carbondata.core.scan.executor.impl.AbstractQueryExecutor.finish(AbstractQueryExecutor.java:544)
        at 
org.apache.carbondata.spark.vectorreader.VectorizedCarbonRecordReader.close(VectorizedCarbonRecordReader.java:132)
        at 
org.apache.carbondata.spark.rdd.CarbonScanRDD$$anon$1$$anonfun$7.apply(CarbonScanRDD.scala:215)
        at 
org.apache.carbondata.spark.rdd.CarbonScanRDD$$anon$1$$anonfun$7.apply(CarbonScanRDD.scala:213)
        at 
org.apache.spark.TaskContext$$anon$1.onTaskCompletion(TaskContext.scala:123)
        at 
org.apache.spark.TaskContextImpl$$anonfun$markTaskCompleted$1.apply(TaskContextImpl.scala:97)
        at 
org.apache.spark.TaskContextImpl$$anonfun$markTaskCompleted$1.apply(TaskContextImpl.scala:95)
        at 
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
        at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
        at 
org.apache.spark.TaskContextImpl.markTaskCompleted(TaskContextImpl.scala:95)
        at org.apache.spark.scheduler.Task.run(Task.scala:117)
        at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:351)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
java.lang.ArrayIndexOutOfBoundsException: 0
        at java.util.concurrent.FutureTask.report(FutureTask.java:122)
        at java.util.concurrent.FutureTask.get(FutureTask.java:188)
        at 
org.apache.carbondata.core.scan.processor.AbstractDataBlockIterator.close(AbstractDataBlockIterator.java:226)
        ... 16 more
Caused by: java.lang.RuntimeException: 
java.lang.ArrayIndexOutOfBoundsException: 0
        at 
org.apache.carbondata.core.datastore.chunk.impl.MeasureRawColumnChunk.convertToMeasureColDataChunks(MeasureRawColumnChunk.java:62)
        at 
org.apache.carbondata.core.scan.scanner.AbstractBlockletScanner.scanBlocklet(AbstractBlockletScanner.java:100)
        at 
org.apache.carbondata.core.scan.processor.AbstractDataBlockIterator$1.call(AbstractDataBlockIterator.java:191)
        at 
org.apache.carbondata.core.scan.processor.AbstractDataBlockIterator$1.call(AbstractDataBlockIterator.java:178)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        ... 3 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
        at 
org.apache.carbondata.core.util.DataTypeUtil.byteToBigDecimal(DataTypeUtil.java:210)
        at 
org.apache.carbondata.core.metadata.ColumnPageCodecMeta.deserialize(ColumnPageCodecMeta.java:217)
        at 
org.apache.carbondata.core.datastore.chunk.reader.measure.v3.CompressedMeasureChunkFileBasedReaderV3.decodeMeasure(CompressedMeasureChunkFileBasedReaderV3.java:236)
        at 
org.apache.carbondata.core.datastore.chunk.reader.measure.v3.CompressedMeasureChunkFileBasedReaderV3.convertToMeasureChunk(CompressedMeasureChunkFileBasedReaderV3.java:219)
        at 
org.apache.carbondata.core.datastore.chunk.impl.MeasureRawColumnChunk.convertToMeasureColDataChunks(MeasureRawColumnChunk.java:59)
{code}



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