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https://issues.apache.org/jira/browse/FLINK-9052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-9052:
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Labels: auto-deprioritized-major (was: stale-major)
> Flink complains when scala.Option is used inside POJO
> -----------------------------------------------------
>
> Key: FLINK-9052
> URL: https://issues.apache.org/jira/browse/FLINK-9052
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.4.2
> Reporter: Truong Duc Kien
> Priority: Major
> Labels: auto-deprioritized-major
> Attachments: TypeInfomationTest.scala
>
>
> According to the documentation, Flink has a specialized serializer for Option
> type. However, when an Option field is used inside a POJO, the following
> WARNING appears in TaskManagers' log.
>
> {{No fields detected for class scala.Option. Cannot be used as a PojoType.
> Will be handled as GenericType}}
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