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https://issues.apache.org/jira/browse/FLINK-7614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-7614:
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Component/s: API / Type Serialization System
> Add a code snippet example of a valid POJO to "Data Types" documentation
> ------------------------------------------------------------------------
>
> Key: FLINK-7614
> URL: https://issues.apache.org/jira/browse/FLINK-7614
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System, Documentation
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Timo Walther
> Priority: Major
>
> A user was struggling with working with POJO types, as reported in
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Exception-when-using-keyby-operator-td15435.html
> We seem to have similar "accidentally not valid POJO" problems every now and
> then from users. We can probably improve this by having a solid code snippet
> of a valid POJO under [1] that demonstrates the POJO rules, instead of just a
> text description of the rules. A guideline to check if your type is actually
> recognized as a POJO by Flink should also be included.
> [1]
> https://ci.apache.org/projects/flink/flink-docs-release-1.3/dev/types_serialization.html#rules-for-pojo-types
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