[jira] [Commented] (HIVE-4596) Fix serialization exceptions in VectorGroupByOperator

["Jitendra Nath Pandey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-4596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13680226#comment-13680226 ] 

Jitendra Nath Pandey commented on HIVE-4596:
--------------------------------------------


This was fixed with HIVE-4599. The exception was happening because the non-vector operators were not being cloned appropriately and lead to corrupting the original tree.

                
> Fix serialization exceptions in VectorGroupByOperator
> -----------------------------------------------------
>
>                 Key: HIVE-4596
>                 URL: https://issues.apache.org/jira/browse/HIVE-4596
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor
>    Affects Versions: vectorization-branch
>            Reporter: Remus Rusanu
>            Assignee: Remus Rusanu
>            Priority: Minor
>
> Going down the vectorization path
> java.lang.InstantiationException: org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector
> Continuing ...
> java.lang.RuntimeException: failed to evaluate: <unbound>=Class.new();
> Continuing ...
> java.lang.InstantiationException: org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator
> Continuing ...
> java.lang.Exception: XMLEncoder: discarding statement ArrayList.add(VectorGroupByOperator);
> Continuing ...

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