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https://issues.apache.org/jira/browse/SPARK-11244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shivaram Venkataraman updated SPARK-11244:
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Assignee: Sen Fang
> sparkR.stop doesn't clean up .sparkRSQLsc in environment
> --------------------------------------------------------
>
> Key: SPARK-11244
> URL: https://issues.apache.org/jira/browse/SPARK-11244
> Project: Spark
> Issue Type: Bug
> Components: SparkR
> Affects Versions: 1.5.1
> Reporter: Sen Fang
> Assignee: Sen Fang
> Fix For: 1.5.2, 1.6.0
>
>
> Currently {{sparkR.stop}} removes relevant variables from {{.sparkREnv}} for
> SparkContext and backend. However it doesn't clean up {{.sparkRSQLsc}} and
> {{.sparkRHivesc}}.
> It results
> {code}
> sc <- sparkR.init("local")
> sqlContext <- sparkRSQL.init(sc)
> sparkR.stop()
> sc <- sparkR.init("local")
> sqlContext <- sparkRSQL.init(sc)
> sqlContext
> {code}
> producing
> {code}
> sqlContext
> Error in callJMethod(x, "getClass") :
> Invalid jobj 1. If SparkR was restarted, Spark operations need to be
> re-executed.
> {code}
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