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https://issues.apache.org/jira/browse/KYLIN-2433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15865494#comment-15865494
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kangkaisen commented on KYLIN-2433:
-----------------------------------
commit2 :
https://github.com/apache/kylin/commit/a5326fcb5a670970ee20b08486a77ec02dcf5c66
> Handle the column that all records is null in MergeCuboidMapper
> ---------------------------------------------------------------
>
> Key: KYLIN-2433
> URL: https://issues.apache.org/jira/browse/KYLIN-2433
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v1.6.0
> Reporter: kangkaisen
> Assignee: kangkaisen
> Fix For: v2.0.0
>
>
> If all records of one column is null in a segment, there will be a NPE in
> {{sourceCubeSegment.getDictionary}}
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