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https://issues.apache.org/jira/browse/KYLIN-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15689506#comment-15689506
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Billy(Yiming) Liu commented on KYLIN-2226:
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The exception means your lookup table has Date(or time, timestamp) type column,
but that column has NULL value.
> Build Dimension Dictionary Error
> --------------------------------
>
> Key: KYLIN-2226
> URL: https://issues.apache.org/jira/browse/KYLIN-2226
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Reporter: zheng yangz
> Assignee: Dong Li
>
> NullPointerException
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