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https://issues.apache.org/jira/browse/SPARK-12404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kousuke Saruta updated SPARK-12404:
-----------------------------------
Assignee: Kousuke Saruta (was: Apache Spark)
> Ensure objects passed to StaticInvoke is Serializable
> -----------------------------------------------------
>
> Key: SPARK-12404
> URL: https://issues.apache.org/jira/browse/SPARK-12404
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.1, 2.0.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Critical
> Fix For: 1.6.0
>
>
> Now `StaticInvoke` receives Any as a object and StaticInvoke can be
> serialized but sometimes the object passed is not serializable.
> For example, following code raises Exception because RowEncoder#extractorsFor
> invoked indirectly makes `StaticInvoke`.
> {code}
> case class TimestampContainer(timestamp: java.sql.Timestamp)
> val rdd = sc.parallelize(1 to 2).map(_ =>
> TimestampContainer(System.currentTimeMillis))
> val df = rdd.toDF
> val ds = df.as[TimestampContainer]
> val rdd2 = ds.rdd <----------------- invokes
> extractorsFor indirectory
> {code}
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