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https://issues.apache.org/jira/browse/HIVE-4222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13700396#comment-13700396
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Navis commented on HIVE-4222:
-----------------------------
It's copied from Oracle JDK7 and I admit I don't know about license things. hm..
> Timestamp type constants cannot be deserialized in JDK 1.6 or less
> ------------------------------------------------------------------
>
> Key: HIVE-4222
> URL: https://issues.apache.org/jira/browse/HIVE-4222
> Project: Hive
> Issue Type: Bug
> Components: Types
> Reporter: Navis
> Assignee: Navis
> Attachments: HIVE-4222.D9681.1.patch
>
>
> For example,
> {noformat}
> ExprNodeConstantDesc constant = new
> ExprNodeConstantDesc(TypeInfoFactory.timestampTypeInfo, new Timestamp(100));
> String serialized = Utilities.serializeExpression(constant);
> ExprNodeConstantDesc deserilized = (ExprNodeConstantDesc)
> Utilities.deserializeExpression(serialized, new Configuration());
> {noformat}
> logs error message
> {noformat}
> java.lang.InstantiationException: java.sql.Timestamp
> Continuing ...
> java.lang.RuntimeException: failed to evaluate: <unbound>=Class.new();
> Continuing ...
> {noformat}
> and makes NPE in final.
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