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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-20165) Resolve state encoder's deserializer in driver in FlatMapGroupsWithStateExec
Date Thu, 30 Mar 2017 23:36:41 GMT

    [ https://issues.apache.org/jira/browse/SPARK-20165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950069#comment-15950069
] 

Apache Spark commented on SPARK-20165:
--------------------------------------

User 'tdas' has created a pull request for this issue:
https://github.com/apache/spark/pull/17488

> Resolve state encoder's deserializer in driver in FlatMapGroupsWithStateExec
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-20165
>                 URL: https://issues.apache.org/jira/browse/SPARK-20165
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Structured Streaming
>    Affects Versions: 2.2.0
>            Reporter: Tathagata Das
>            Assignee: Tathagata Das
>             Fix For: 2.2.0
>
>
> Encoder's deserializer must be resolved at the driver where the class is defined. Otherwise
there are corner cases using nested classes where resolving at the executor can fail.



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