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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-8844) head/collect is broken in SparkR
Date Wed, 15 Jul 2015 14:07:04 GMT

    [ https://issues.apache.org/jira/browse/SPARK-8844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14628093#comment-14628093
] 

Apache Spark commented on SPARK-8844:
-------------------------------------

User 'sun-rui' has created a pull request for this issue:
https://github.com/apache/spark/pull/7419

> head/collect is broken in SparkR 
> ---------------------------------
>
>                 Key: SPARK-8844
>                 URL: https://issues.apache.org/jira/browse/SPARK-8844
>             Project: Spark
>          Issue Type: Bug
>          Components: SparkR
>    Affects Versions: 1.5.0
>            Reporter: Davies Liu
>            Priority: Blocker
>
> {code}
> > t = tables(sqlContext)
> > showDF(T)
> Error in (function (classes, fdef, mtable)  :
>   unable to find an inherited method for function ‘showDF’ for signature ‘"logical"’
> > showDF(t)
> +---------+-----------+
> |tableName|isTemporary|
> +---------+-----------+
> +---------+-----------+
> > 15/07/06 09:59:10 WARN Executor: Told to re-register on heartbeat
> >
> >
> > head(t)
> Error in readTypedObject(con, type) :
>   Unsupported type for deserialization
> > collect(t)
> Error in readTypedObject(con, type) :
>   Unsupported type for deserialization
> {code}



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