Hi,

the output file is actually empty (that's probably the cause for "out
of range -1" -> length (0)-1 = -1). There is no output logging which
could be used to investigate why the file is actually empty. Any hints
on how we can debug why it is empty?


2016-01-29 2:52 GMT+01:00 hongbin ma <mahong...@apache.org>:
> HiveColumnCardinalityUpdateJob
> desc in source code:
>
> /**
>  * This job will update save the cardinality result into Kylin table
> metadata store.
>  * @author shaoshi
>  */
>
>
>
> it does not belong to a cubing job, it's a separate task to help modeling.
> can you checkout the output in /tmp/kylin/cardinality/KYLIN_DK.DIM_DTM, it
> seems the content format is not as expected:
> https://github.com/apache/kylin/blob/kylin-1.2/job/src/main/java/org/apache/kylin/job/hadoop/cardinality/HiveColumnCardinalityUpdateJob.java#L113
>
>
>
> --
> Regards,
>
> *Bin Mahone | 马洪宾*
> Apache Kylin: http://kylin.io
> Github: https://github.com/binmahone

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