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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4222) Timestamp type constants cannot be deserialized in JDK 1.6 or less
Date Fri, 05 Jul 2013 00:17:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13700396#comment-13700396
] 

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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