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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6479) Fix IndexOutOfBoundsException bug
Date Mon, 08 May 2017 08:46:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000441#comment-16000441

ASF GitHub Bot commented on FLINK-6479:

GitHub user sunjincheng121 opened a pull request:


    [FLINK-6479][table]Fix IndexOutOfBoundsException bug

    Thanks for contributing to Apache Flink. Before you open your pull request, please take
the following check list into consideration.
    If your changes take all of the items into account, feel free to open your pull request.
For more information and/or questions please refer to the [How To Contribute guide](http://flink.apache.org/how-to-contribute.html).
    In addition to going through the list, please provide a meaningful description of your
    - [x] General
      - The pull request references the related JIRA issue ("[FLINK-6479][table]Fix IndexOutOfBoundsException
      - The pull request addresses only one issue
      - Each commit in the PR has a meaningful commit message (including the JIRA id)
    - [ ] Documentation
      - Documentation has been added for new functionality
      - Old documentation affected by the pull request has been updated
      - JavaDoc for public methods has been added
    - [x] Tests & Build
      - Functionality added by the pull request is covered by tests
      - `mvn clean verify` has been executed successfully locally or a Travis build has passed

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sunjincheng121/flink FLINK-6479-PR

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3841
commit fe45c794d7ee4c5b44f7b5d5e571a1b112cd6696
Author: sunjincheng121 <sunjincheng121@gmail.com>
Date:   2017-05-08T08:41:31Z

    [FLINK-6479][table]Fix IndexOutOfBoundsException bug


> Fix IndexOutOfBoundsException bug
> ---------------------------------
>                 Key: FLINK-6479
>                 URL: https://issues.apache.org/jira/browse/FLINK-6479
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>    Affects Versions: 1.3.0
>            Reporter: sunjincheng
>            Assignee: sunjincheng
> {code}
>     val windowedTable = table
>       .window(Slide over 2.rows every 1.rows on 'proctime as 'w)
>       .groupBy('w, 'string)
>       .select(weightAvgFun('long, 'int))
> {code}
> will got exception:
> {code}
> java.lang.IndexOutOfBoundsException: index (2) must be less than size (2)
> 	at com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:310)
> 	at com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:292)
> 	at com.google.common.collect.RegularImmutableList.get(RegularImmutableList.java:65)
> 	at org.apache.calcite.util.Pair$6.get(Pair.java:347)
> 	at scala.collection.convert.Wrappers$JListWrapper.apply(Wrappers.scala:88)
> 	at org.apache.flink.table.plan.nodes.CommonAggregate$$anonfun$groupingToString$1.apply(CommonAggregate.scala:34)
> 	at org.apache.flink.table.plan.nodes.CommonAggregate$$anonfun$groupingToString$1.apply(CommonAggregate.scala:34)
> 	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> 	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> 	at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> 	at scala.collection.mutable.ArrayOps$ofInt.foreach(ArrayOps.scala:156)
> 	at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> 	at scala.collection.mutable.ArrayOps$ofInt.map(ArrayOps.scala:156)
> 	at org.apache.flink.table.plan.nodes.CommonAggregate$class.groupingToString(CommonAggregate.scala:34)
> 	at org.apache.flink.table.plan.nodes.datastream.DataStreamGroupWindowAggregate.groupingToString(DataStreamGroupWindowAggregate.scala:44)
> {code}

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