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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2019/02/28 15:34:00 UTC

[jira] [Updated] (FLINK-9698) "case class must be static and globally accessible" is too constrained

     [ https://issues.apache.org/jira/browse/FLINK-9698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-9698:
----------------------------------
    Component/s: API / Type Serialization System

> "case class must be static and globally accessible" is too constrained
> ----------------------------------------------------------------------
>
>                 Key: FLINK-9698
>                 URL: https://issues.apache.org/jira/browse/FLINK-9698
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / Type Serialization System
>            Reporter: Jeff Zhang
>            Priority: Major
>
> The following code can reproduce this issue. 
> {code}
> object BatchJob {
>   def main(args: Array[String]) {
>     // set up the batch execution environment
>     val env = ExecutionEnvironment.getExecutionEnvironment
>     val tenv = TableEnvironment.getTableEnvironment(env)
>     case class Person(id:Int, name:String)
>     val ds = env.fromElements(Person(1,"jeff"), Person(2, "andy"))
>     tenv.registerDataSet("table_1", ds);
>   }
> }
> {code}
> Although I have workaround to declare case class outside of the main method, this workaround won't work in scala-shell. 



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