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https://issues.apache.org/jira/browse/FLINK-1182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-1182.
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Resolution: Fixed
Fix Version/s: 0.8-incubating
Assignee: Stephan Ewen
Fixed in b0c1af59bf139a369aac5a0680c81a6fc08acccc
> Bad Error Message when trying to use expression keys on non-POJO types
> ----------------------------------------------------------------------
>
> Key: FLINK-1182
> URL: https://issues.apache.org/jira/browse/FLINK-1182
> Project: Flink
> Issue Type: Bug
> Components: Java API, Scala API
> Affects Versions: 0.7-incubating
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 0.8-incubating
>
>
> It says "type is not composite (but is) and goes on talking about POJO
> types." I think that should be fixed.
> {code}
> Type GenericType<flink.tutorial.pagerank.PageRank.Page> is not a composite
> type. Key expressions are only supported on POJO types and Tuples. A type is
> considered a POJO if all its fields are public, or have both getters and
> setters defined
> at
> org.apache.flink.api.java.operators.Keys$ExpressionKeys.<init>(Keys.java:249)
> {code}
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