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Posted to issues@kylin.apache.org by "Billy Liu (JIRA)" <ji...@apache.org> on 2017/08/13 13:14:01 UTC

[jira] [Updated] (KYLIN-2657) Fix Cube merge NPE whose TopN dictionary not found

     [ https://issues.apache.org/jira/browse/KYLIN-2657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu updated KYLIN-2657:
-----------------------------
    Summary: Fix Cube merge NPE whose TopN dictionary not found  (was: Cube merge TopN dictionary not found, cause NPE)

> Fix Cube merge NPE whose TopN dictionary not found
> --------------------------------------------------
>
>                 Key: KYLIN-2657
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2657
>             Project: Kylin
>          Issue Type: Bug
>          Components: Job Engine
>            Reporter: Roger Shi
>            Assignee: Roger Shi
>             Fix For: v2.1.0
>
>
> One TopN measure with two group-by columns, and both of them are in fact table. If one cardinality is high and the other is low, merging Cube may fail for NPE (dict not found).



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