[jira] [Resolved] (FLINK-4645) Hard to register Kryo Serializers due to generics

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

     [ https://issues.apache.org/jira/browse/FLINK-4645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen resolved FLINK-4645.
---------------------------------
    Resolution: Fixed

Fixed via 82ef021cb8f77635bcec61d49eedce1ddefd1e48

> Hard to register Kryo Serializers due to generics
> -------------------------------------------------
>
>                 Key: FLINK-4645
>                 URL: https://issues.apache.org/jira/browse/FLINK-4645
>             Project: Flink
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.2
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 1.2.0
>
>
> It currently does not work to do this:
> {code}
> env.registerTypeWithKryoSerializer(TreeMultimap.class, JavaSerializer.class);
> {code}
> instead on needs to do that:
> {code}
> env.registerTypeWithKryoSerializer(TreeMultimap.class, (Class<? extends Serializer<?>>) JavaSerializer.class);
> {code}
> The fix would be to change the signature of the environment method from
> {code}
> public void registerTypeWithKryoSerializer(Class<?> type, Class<? extends Serializer<?>> serializerClass)
> {code}
> to
> {code}
> public void registerTypeWithKryoSerializer(Class<?> type, Class<? extends Serializer> serializerClass)
> {code}



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