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https://issues.apache.org/jira/browse/SPARK-3947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018459#comment-15018459
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Yin Huai commented on SPARK-3947:
---------------------------------

[[email protected]] Is it possible that you can attach the worker logs 
(or a part of it)? Also, seems SPARK-9844 will be triggered when we shutdown 
the worker. For you case, did you observe that work got shutdown? How about we 
create a new jira to investigate this problem?

> Support Scala/Java UDAF
> -----------------------
>
>                 Key: SPARK-3947
>                 URL: https://issues.apache.org/jira/browse/SPARK-3947
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Pei-Lun Lee
>            Assignee: Yin Huai
>             Fix For: 1.5.0
>
>         Attachments: spark-udaf.zip
>
>
> Right now only Hive UDAFs are supported. It would be nice to have UDAF 
> similar to UDF through SQLContext.registerFunction.



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