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https://issues.apache.org/jira/browse/FLINK-2690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933122#comment-14933122
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ASF GitHub Bot commented on FLINK-2690:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/1141
> CsvInputFormat cannot find the field of derived POJO class
> ----------------------------------------------------------
>
> Key: FLINK-2690
> URL: https://issues.apache.org/jira/browse/FLINK-2690
> Project: Flink
> Issue Type: Bug
> Components: Java API, Scala API
> Affects Versions: 0.10
> Reporter: Chiwan Park
> Assignee: Till Rohrmann
>
> A user reports {{CsvInputFormat}} cannot find the field of derived POJO
> class.
> (http://mail-archives.apache.org/mod_mbox/flink-user/201509.mbox/%3ccaj54yvi6cbldn7cypey+xe8a5a_j1-6tnx1wm1eb63gvnqd...@mail.gmail.com%3e)
> The reason of the bug is that {{CsvInputFormat}} uses {{getDeclaredField}}
> method without scanning base classes to find the field. When
> {{CsvInputFormat}} was wrote, {{TypeInformation}} cannot be serialized. So we
> needed to initialize {{TypeInformation}} in {{open}} method manually. Some
> mistakes in initializing cause this bug.
> After FLINK-2637 is merged, we can serialize {{TypeInformation}} and don't
> need to create field objects in {{CsvInputFormat}}.
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