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https://issues.apache.org/jira/browse/FLINK-12929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-12929:
-----------------------------------
Component/s: API / Type Serialization System
API / Scala
> scala.StreamExecutionEnvironment.addSource does not propagate TypeInformation
> -----------------------------------------------------------------------------
>
> Key: FLINK-12929
> URL: https://issues.apache.org/jira/browse/FLINK-12929
> Project: Flink
> Issue Type: Bug
> Components: API / Scala, API / Type Serialization System
> Reporter: Fabio Lombardelli
> Priority: Critical
>
> In {{scala.StreamExecutionEnvironment.addSource}} I would expect that
> {{typeInfo}} is also passed to the {{javaEnv.addSource}} as second parameter
> and not only passed to the {{returns}} method:
> {code:java}
> def addSource[T: TypeInformation](function: SourceFunction[T]):
> DataStream[T] = {
> require(function != null, "Function must not be null.")
>
> val cleanFun = scalaClean(function)
> val typeInfo = implicitly[TypeInformation[T]]
> asScalaStream(javaEnv.addSource(cleanFun, <missing
> typeInfo>).returns(typeInfo))
> }
> {code}
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