Tzu-Li (Gordon) Tai created FLINK-7614:
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Summary: 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: Documentation
Reporter: Tzu-Li (Gordon) Tai
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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