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https://issues.apache.org/jira/browse/KYLIN-3731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16728894#comment-16728894
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Shaofeng SHI commented on KYLIN-3731:
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Kylin won't support complex data type; In the latest version, it will filter
the complex columns when import table schema into Kylin.
> java.lang.IllegalArgumentException: Unsupported data type array<string> at
> ---------------------------------------------------------------------------
>
> Key: KYLIN-3731
> URL: https://issues.apache.org/jira/browse/KYLIN-3731
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v2.5.1
> Reporter: HongBo Dai
> Assignee: Chao Long
> Priority: Critical
> Labels: build
> Fix For: v2.6.0
>
> Attachments: error of kylin.txt, image-2018-12-20-10-59-04-060.png,
> screenshot-1.png, screenshot-2.png, screenshot-3.png, screenshot-4.png
>
>
> As kylin was recently upgraded from 2.3 to 2.5.1, its data type of array
> metadata was found to be unsupported and the following exception occurred
> "java. lang. IllegalArgumentException: Unsupported data type array", are in
> kylin2.3 hive data storage array before running this type is no problem,
> there is the lead in building a cube when the third step is as follows
> "org. apache. kylin. engine. mr. Exception. MapReduceException: no counters
> for the job", could you tell me how to solve the problem without changing
> data structure situation now? please look up attachment.
> !image-2018-12-20-10-59-04-060.png!
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