[HIVEMALL-188] Avoid KryoException: java.lang.NullPointerException caused in tokenize_ja

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.1
• Assignee: Takuya Kitazawa
• Reporter: Takuya Kitazawa
• Created: 10/Apr/18 04:52
• Updated: 10/Apr/18 05:16
• Resolved: 10/Apr/18 05:16

Description

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

Issue Links

• links to: GitHub Pull Request #142