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https://issues.apache.org/jira/browse/HIVEMALL-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Makoto Yui closed HIVEMALL-188.
-------------------------------
    Resolution: Fixed

> Avoid KryoException: java.lang.NullPointerException caused in tokenize_ja
> -------------------------------------------------------------------------
>
>                 Key: HIVEMALL-188
>                 URL: https://issues.apache.org/jira/browse/HIVEMALL-188
>             Project: Hivemall
>          Issue Type: Bug
>            Reporter: Takuya Kitazawa
>            Assignee: Takuya Kitazawa
>            Priority: Major
>             Fix For: 0.5.1
>
>
> tokenize_ja potentially causes \{{java.lang.RuntimeException: 
> org.apache.hive.com.esotericsoftware.kryo.KryoException: 
> java.lang.NullPointerException}}
>  
> It has to be avoided by lazy instantiation as: 
> https://github.com/apache/incubator-hivemall/blob/master/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java#L51-L52



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