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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:
----------------------------------
Labels: auto-deprioritized-major stale-minor (was:
auto-deprioritized-major)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> 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: Minor
> Labels: auto-deprioritized-major, stale-minor
> 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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