Chiwan Park created FLINK-2690:
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Summary: 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: Chiwan Park
An user report {{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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