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https://issues.apache.org/jira/browse/SPARK-44910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-44910.
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> Encoders.bean does not support superclasses with generic type arguments
> -----------------------------------------------------------------------
>
> Key: SPARK-44910
> URL: https://issues.apache.org/jira/browse/SPARK-44910
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.4.1, 3.5.0, 4.0.0
> Reporter: Giambattista Bloisi
> Assignee: Giambattista Bloisi
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.2, 3.5.1, 4.0.0
>
>
> As per SPARK-44634 another unsupported feature of bean encoder is when the
> superclass of the bean has generic type arguments. For example:
> {code:java}
> class JavaBeanWithGenericsA<T> {
> public T getPropertyA() {
> return null;
> }
> public void setPropertyA(T a) {
> }
> }
> class JavaBeanWithGenericBase extends JavaBeanWithGenericsA<String> {
> }
> Encoders.bean(JavaBeanWithGenericBase.class); // Exception
> {code}
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