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https://issues.apache.org/jira/browse/HIVE-1291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-1291:
-----------------------------
Attachment: HIVE-1291.1.patch
This patch fixes the bug.
> Fix UDAFPercentile ndexOutOfBoundsException
> -------------------------------------------
>
> Key: HIVE-1291
> URL: https://issues.apache.org/jira/browse/HIVE-1291
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Attachments: HIVE-1291.1.patch
>
>
> The counts array can be empty. We should directly return null in that case.
> {code}
> org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method
> public org.apache.hadoop.hive.serde2.io.DoubleWritable
> org.apache.hadoop.hive.ql.udf.UDAFPercentile$PercentileLongEvaluator.terminate()
> on object
> org.apache.hadoop.hive.ql.udf.udafpercentile$percentilelongevalua...@530d0eae
> of class org.apache.hadoop.hive.ql.udf.UDAFPercentile$PercentileLongEvaluator
> with arguments {} of size 0
> at
> org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:725)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFBridge$GenericUDAFBridgeEvaluator.terminate(GenericUDAFBridge.java:181)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.evaluate(GenericUDAFEvaluator.java:157)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:838)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:885)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:539)
> at
> org.apache.hadoop.hive.ql.exec.ExecReducer.close(ExecReducer.java:300)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:474)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:412)
> at org.apache.hadoop.mapred.Child.main(Child.java:159)
> Caused by: java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:701)
> ... 9 more
> Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at java.util.ArrayList.RangeCheck(ArrayList.java:547)
> at java.util.ArrayList.get(ArrayList.java:322)
> at
> org.apache.hadoop.hive.ql.udf.UDAFPercentile.getPercentile(UDAFPercentile.java:97)
> at
> org.apache.hadoop.hive.ql.udf.UDAFPercentile.access$300(UDAFPercentile.java:44)
> at
> org.apache.hadoop.hive.ql.udf.UDAFPercentile$PercentileLongEvaluator.terminate(UDAFPercentile.java:196)
> ... 14 more
> {code}
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