[jira] [Resolved] (FLINK-1182) Bad Error Message when trying to use expression keys on non-POJO types

["Stephan Ewen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-1182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen resolved FLINK-1182.
---------------------------------
       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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