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https://issues.apache.org/jira/browse/HIVE-4596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey resolved HIVE-4596.
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Resolution: Fixed
Release Note: 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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