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https://issues.apache.org/jira/browse/FLINK-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14624724#comment-14624724
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PJ Van Aeken commented on FLINK-2023:
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I am back as of today ;-) Adding the overloaded methods to the Java API which
take an explicit TypeInformation as additional input solved this issue. Not
sure how you want to label it, but it does not block the progress on the Scala
Graph API anymore.
> TypeExtractor does not work for (some) Scala Classes
> ----------------------------------------------------
>
> Key: FLINK-2023
> URL: https://issues.apache.org/jira/browse/FLINK-2023
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Reporter: Aljoscha Krettek
>
> [~vanaepi] discovered some problems while working on the Scala Gelly API
> where, for example, a Scala MapFunction can not be correctly analyzed by the
> type extractor. For example, generic types will not be correctly detected.
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