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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1291) Fix UDAFPercentile ndexOutOfBoundsException
Date Tue, 06 Apr 2010 01:22:27 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853677#action_12853677
] 

Namit Jain commented on HIVE-1291:
----------------------------------

+1

will commit if the tests pass

> 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
>             Fix For: 0.6.0
>
>         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$PercentileLongEvaluator.terminate()  on object
org.apache.hadoop.hive.ql.udf.UDAFPercentile$PercentileLongEvaluator@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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