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https://issues.apache.org/jira/browse/FLINK-7450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-7450:
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Labels: pull-request-available (was: )
> Bounded generic POJO field is identified as Object by TypeExtractor
> -------------------------------------------------------------------
>
> Key: FLINK-7450
> URL: https://issues.apache.org/jira/browse/FLINK-7450
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.3.2, 1.4.0
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
>
> The TypeExtractor does not correctly handle POJO fields with bounded generics.
> For example:
> {code}
> public class Foo<SomeKey extends BarKey> implements Serializable {
> public SomeKey someKey;
> public Foo() {}
> public Foo(SomeKey someKey) {
> this.someKey = someKey;
> }
> }
> {code}
> Is identified as:
> {code}
> PojoType<org.apache.flink.streaming.examples.wordcount.WordCount$Foo, fields
> = [someKey: GenericType<java.lang.Object>]>
> {code}
> So even though the reflection field has a type, the type information only
> describes a Object class.
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