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Posted to issues@kylin.apache.org by "Yerui Sun (JIRA)" <ji...@apache.org> on 2016/08/02 15:27:20 UTC

[jira] [Created] (KYLIN-1934) 'Value not exist' During Cube Merging Caused by Empty Dict

Yerui Sun created KYLIN-1934:
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             Summary: 'Value not exist' During Cube Merging Caused by Empty Dict
                 Key: KYLIN-1934
                 URL: https://issues.apache.org/jira/browse/KYLIN-1934
             Project: Kylin
          Issue Type: Bug
          Components: Job Engine
    Affects Versions: v1.5.4
            Reporter: Yerui Sun
            Assignee: Yerui Sun
            Priority: Critical
             Fix For: v1.5.4


When cube merge, new dictionary will be created which consists of all values in old dictionaries.
The values in old dicts is enumerated by MultipleDictionaryValueEnumerator. However, if the first dict is empty, the Enumerator.moveNext() will return false directly and ignore all values in other dicts, made the new dict is also empty. 
The cube merging will be failed because no values contained in the new dict. 

Not sure whether this issue related with KYLIN-1834 or not.



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